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  • 1.
    Adel-Khattab, Doaa
    et al.
    Tyskland.
    Montero, Eduardo
    Spanien.
    Herrera, David
    Spanien.
    Zhao, Dan
    Kina.
    Jin, Lijian
    Kina.
    Al-Shaikh, Zahra
    Tyskland.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Department of Oral Health. Blekinge tekniska högskola.
    Meyle, Joerg
    Tyskland.
    Evaluation of the FDI chairside guide for assessment of periodontal conditions: a multicentre observational study2021In: International Dental Journal, ISSN 0020-6539, E-ISSN 1875-595X, article id S0020-6539(20)36555-2Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: There is a need to develop easy-to-use tools to screen periodontal condition in daily practice. This study aimed to evaluate the FDI World Dental Federation "Chairside Guide" (FDI-CG) developed by the Task Team of the FDI Global Periodontal Health Project (GPHP) as a potential tool for screening.

    METHODS: Databases from 3 centres in Germany, Hong Kong, and Spain (n = 519) were used to evaluate the association of the FDI-CG and its individual items with the periodontitis case definitions proposed by the Centers for Disease Control and Prevention (CDC) and the American Academy of Periodontology (AAP) for population-based surveillance of periodontitis.

    RESULTS: Statistically significant differences were observed among the databases for the prevalence of periodontitis and the items included in the FDI-CG. The FDI-CG score and its individual components were significantly associated with the periodontal status in the individual databases and the total sample, with bleeding on probing showing the strongest association with severe periodontitis (odds ratio [OR] = 12.9, 95% CI [5.9; 28.0], P < .001, for those presenting bleeding on probing >50%), followed by age (OR = 4.8, 95% CI [1.7; 4.2], P = .004, for those older than 65 years of age). Those subjects with a FDI-CG score >10 had an OR of 54.0 (95% CI [23.5; 124.2], P < .001) and presented with severe periodontitis. A significant correlation was found between the different FDI-CG scoring categories (mild, moderate, and severe) and the categories for mild, moderate, and severe periodontitis using the Centers for Disease Control and Prevention and the American Academy of Periodontology criteria (r = 0.57, Spearman rank correlation test, P < .001).

    CONCLUSION: The FDI Chairside Guide may represent a suitable tool for screening the periodontal condition by general practitioners in daily dental practice.

  • 2.
    Ademovski, Seida Erovic
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Mårtensson, Carina
    Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    The effect of periodontal therapy on intra-oral halitosis: a case series2016In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 43, no 5, p. 445-452Article in journal (Refereed)
    Abstract [en]

    Aim: The aim of this study was to evaluate the effects of non-surgical periodontal therapy on intra-oral halitosis 3months after therapy. Material and methods: Sixty-eight adults with intra-oral halitosis were included in a case series. Intra-oral halitosis was evaluated at baseline, and at 3months after treatment using the organoleptic scores (OLS), Halimeter (R), and a gas chromatograph. Results: Significant reductions for OLS (p<0.01), total sum of volatile sulphur compounds (T-VSC) (p<0.01) and methyl mercaptan (MM) (p<0.05) values were found after treatment. Hydrogen sulphide (H2S) levels were not significantly reduced. The numbers of probing pockets 4mm, 5mm and 6mm were significantly reduced as a result of therapy (p<0.001). Bleeding on probing (BOP) and plaque indices were also significantly reduced (p<0.001). For the 34 individuals with successful periodontal treatment (BOP<20% and a 50% reduction of total pocket depth) reductions in OLS (p<0.01) and T-VSC scores (p<0.01) were found. Eleven individuals were considered effectively treated for intra-oral halitosis presenting with a T-VSC value <160ppb, a H2S value <112ppb and a MM value <26ppb. Conclusion: Non-surgical periodontal therapy resulted in reduction of OLS, MM and T-VSC values 3months after therapy. Few individuals were considered as effectively treated for intra-oral halitosis.

  • 3.
    Aghazadeh, Ahmad
    et al.
    Tand & Implantat Specialistkliniken, Solna.
    Persson, Rutger G
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Department of Oral Health. USA.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Department of Oral Health. Blekinge Institute of Technology, Irland & China.
    Impact of bone defect morphology on the outcome of reconstructive treatment of peri-implantitis2020In: International Journal of Implant Dentistry, E-ISSN 2198-4034, Vol. 6, no 1Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: To assess if (I) the alveolar bone defect configuration at dental implants diagnosed with peri-implantitis is related to clinical parameters at the time of surgical intervention and if (II) the outcome of surgical intervention of peri-implantitis is dependent on defect configuration at the time of treatment.

    MATERIALS AND METHODS: In a prospective study, 45 individuals and 74 dental implants with ≥ 2 bone wall defects were treated with either an autogenous bone transplant or an exogenous bone augmentation material. Defect fill was assessed at 1 year.

    RESULTS: At baseline, no significant study group differences were identified. Most study implants (70.7%, n = 53) had been placed in the maxilla. Few implants were placed in molar regions. The mesial and distal crestal width at surgery was greater at 4-wall defects than at 2-wall defects (p = 0.001). Probing depths were also greater at 4-wall defects than at 2-wall defects (p = 0.01). Defect fill was correlated to initial defect depth (p < 0.001). Defect fill at 4-wall defects was significant (p < 0.05).

    CONCLUSIONS: (I) The buccal-lingual width of the alveolar bone crest was explanatory to defect configuration, (II) 4-wall defects demonstrated more defect fill, and (III) deeper defects resulted in more defect fill.

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  • 4.
    Alotaibi, Mohammad
    et al.
    Irland.
    Moran, Gary
    Irland.
    Grufferty, Brendan
    Irland.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Polyzois, Ioannis
    Irland.
    The effect of a decontamination protocol on contaminated titanium dental implant surfaces with different surface topography in edentulous patients.2019In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 77, no 1, p. 66-75Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: To investigate if it is possible to achieve complete decontamination of dental implant surfaces with different surface characteristics.

    MATERIALS AND METHODS: Twelve implant pieces with an Osseotite® surface and 12 implant pieces with a Ti-Unite® surface were attached on to the complete lower dentures of six patients and were allowed to accumulate plaque for 30 days. When retrieved, the implant decontamination protocol used, involved both mechanical (PeriBrush™) and chemical (3% H2O2) decontamination. The number of colony forming units per millilitre was determined and the dominant micro-organisms in selected samples was identified by 16s rRNA gene amplicon sequencing. The effect of the titanium brush on the implant surface was examined by SEM.

    RESULTS: Complete decontamination was achieved in five out of 24 implants (four Osseotite® and one Ti-Unite®). The mean CFU/ml detected after decontamination were 464.48 for Osseotite® and 729.09 for Ti-Unite® implants. On the surface of the implants in which complete decontamination was not achieved, all of the predominant bacteria identified were streptococci except for one which was identified as micrococcus. SEM images revealed that the surface features of the decontaminated implants were not significantly altered.

    CONCLUSIONS: Mechanical decontamination using a titanium brush supplemented with chemical treatment for one minute (3% H2O2) can achieve complete decontamination of implant surfaces in edentulous patients.

  • 5.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Kvalitatsindikatorer för munhälsa2013In: Kvalitatsindikatorer inom omvårdnad: Svensk sjuksköterskeförening / [ed] Ewa Idvall, Stockholm: Gothia Förlag AB, 2013, 6, p. 30-37Chapter in book (Other academic)
  • 6.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Munhälsa2014In: Omvårdnadens grunder: hälsa och ohälsa / [ed] Anna-Karin Edberg, Helle Wijk, Lund: Studentlitteratur AB, 2014, 2, p. 301-331Chapter in book (Other academic)
  • 7.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Munhälsa2013In: Ortopedisk vård och rehabilitering / [ed] Ami Hommel, Carina Bååth, Lund: Studentlitteratur, 2013, p. 113-125Chapter in book (Other academic)
  • 8.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Munhälsa2009In: Omvårdnadens grunder: hälsa och ohälsa / [ed] Edberg, Anna-Karin, Wijk, Helle, Lund: Studentlitteratur, 2009, p. 349-380Chapter in book (Other academic)
  • 9.
    Andersson, Pia
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Hakeberg, Magnus
    Research Center, Public Dental Service, Region Västra Götaland.
    Abrahamsson, Kajsa H.
    Department of Periodontology, Institute of Odontology, The Sahlgrenska Academy, University of Gothenburg.
    Psychometric properties of the Dental Hygienist Anxiety Scale in a group of general dental patients2013In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 71, no 3-4, p. 877-882Article in journal (Refereed)
    Abstract [en]

    Objective.  The aim of the present study was to evaluate the psychometric properties of the Dental Hygienist Anxiety Scale (DHAS) in a sample of adult general dental patients.  Materials and methods.  The DHAS is a questionnaire adapted to assess fear and anxiety of dental hygienist (DH) treatment. The DHAS contains four items and the sum of scores range from 4 (no anxiety) to 20 (extreme fear). A convenient sample of 80 patients in treatment at two DH programs in Sweden were consecutively included in the study. The DHAS was distributed together with questions regarding self-perceived oral health and experience of dental care at the first visit after a clinical examination performed by a DH. Re-test assessments of DHAS were conducted ∼ 2 weeks later in conjunction with the next visit to the DH before treatment (scaling session).  Results.  The results verified a significant positive correlation between the average DHAS sum of scores and global fear of DH and dentist treatment, perceived pain during the last DH treatment and female gender. The DHAS sum of scores had a high internal consistency, Cronbach's  coefficient of 0.89 and 0.87 at the first and at the second assessment, respectively. The test-re-test reliability of the DHAS sum of scores was acceptable, with an intra-class coefficient of 0.82 and Kappa coefficients between 0.49-0.78 for the four single items in the DHAS. Conclusions.  These results suggest that the DHAS has acceptable psychometric proprieties and is a valid and reliable scale to assess anxiety in DH treatment.

  • 10.
    Andersson, Pia
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och Folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Johannsen, Annsofi
    Karolinska Institutet.
    Dental patients' perceptions and motivation in smoking cessation activities2016In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 74, no 4, p. 285-290Article in journal (Refereed)
    Abstract [en]

    Objective

    The aim of the present study was to investigate smokers' perceptions of and motivation for smoking cessation activities in dentistry.

    Materials and methods

    Patients who smoked were consecutively recruited from general as well as specialist dental care clinics in Sweden. After a dental visit the patients completed a questionnaire about self-perceived oral health, smoking habits, motivation, reasons to quit and not to quit smoking, support to quit, smoking cessation activities and questions about smoking asked by dentists and dental hygienists.

    Results

    The sample consisted of 167 adult patients (≥ 20 years) who smoked daily. During the last 6 months, 81% of the patients had experienced oral health problems. The most common complaints were discolourations of the teeth, periodontal problems and dry mouth (38%, 36% and 33%, respectively). Improved general health was a major reason to quit smoking (89%). It was also stated that it was important to avoid oral health problems. 71% of the patients preferred to quit by themselves and 16% wanted support from dentistry. High motivation to quit smoking was reported by 20%. Occurrence of periodontitis during the last 6 months was significantly associated with being highly motivated to stop smoking (OR = 3.0, 95% CI = 1.03-8.55).

    Conclusions

    This study revealed that, although it was important to quit smoking to avoid oral health problems, the patients were not aware that tobacco cessation activities can be performed in dentistry. Periodontal problems seem to be the most motivating factor among the patients who were highly motivated to stop smoking.

  • 11.
    Andersson, Pia
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Kavakure, Jules
    Region Skåne.
    Lingström, Peter
    Sahlgrenska akademin, Göteborg.
    The impact of oral health on daily performances and its association with clinical variables in a population in Zambia2017In: International Journal of Dental Hygiene, ISSN 1601-5029, E-ISSN 1601-5037, Vol. 15, no 2, p. 128-134Article in journal (Refereed)
    Abstract [en]

    Objective: The aim of this study was to investigate oral impacts on daily performance and to relate these data to oral clinical variables.

    Material and methods: The study was performed at a dental clinic in Livingstone, Zambia, and included 78 subjects (mean age 28, range 15–48 years) consecutively recruited in connection witha dental care visit. Data were collected through a structured interview using the Oral Impacts on Daily Performances (OIDP) index measuring oral health-related quality of life followed by a clinical examination.

    Results: Oral health affected one or more daily performances during the last 6 months for 61.5% of the subjects. ‘Difficulty of eating and enjoying food’ was the performance reported most frequently (42.3%), and ‘speaking and pronouncing clearly’ was least often reported (10.3%). DMFT was 3.8, 3.6 (mean  SD; range0–15). A majority of the individuals had periodontal pockets ≥4mm (mean 4.3, 2.6) (94.9%) and gingival bleeding on probing >20%(88.5%). Two or more decayed teeth were shown to be significantly associated (OR 4.6, CI 1.2–17.1) with one or more oral impacts on daily performances in a multivariate logistic regression analysis.

    Conclusions: This study shown that there is a significant association between decayed teeth and oral impacts on daily performances. More research is needed, however, for deeper understanding of oral health problems and their impacts on daily life in Zambia.

  • 12.
    Andersson, Pia
    et al.
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Research Platform for Collaboration for Health. Kristianstad University, Faculty of Health Science, Department of Oral Health.
    Kragh Ekstam, Annika
    Region Skåne Koncernkontoret - Regionhuset.
    Impaired oral health in older orthopaedic in-care patients: The influence of medication and morbidity2021In: Clinical Interventions in Aging, ISSN 1176-9092, E-ISSN 1178-1998, Vol. 16, p. 1691-1702Article in journal (Refereed)
    Abstract [en]

    Introduction: Fall-related injuries are prevalent in older patients and often lead to increased morbidity, medication, and impaired functions. We studied older trauma patients with the aim to describe their oral health in comparison to morbidity and medication.

    Material and Methods: The study included 198 patients, ≥65 years, admitted with an orthopedic trauma. Oral examinations included number of natural teeth, dental implants, missing, decayed and restored teeth, root remnants, and pocket depth. Data on comorbidities and medication were assembled. Statistical analyses were carried out with logistic regression models, adjusted for age, gender, comorbidity, and polypharmacy.

    Results: Overall, 198 patients participated, 71% women, mean age 81 years (±7.9), 85% resided in their own homes, 86% had hip fractures. Chronic diseases and drug use were present in 98.9%, a mean of 6.67 in Charlson comorbidity index (CCI), 40% heart diseases, 17% diabetes, and 14% dementia. Ninety-one percent were dentate (181), mean number of teeth 19.2 (±6.5), 24% had decayed teeth, 97% filled teeth, 44% <20 teeth, and 26% oral dryness. DFT (decayed, filled teeth) over mean were identified in patients with diabetes (p=0.037), COPD (p=0.048), polypharmacy (p=0.011), diuretics (p=0.007), and inhalation drugs (p=0.032). Use of ≥2 strong anticholinergic drugs were observed in patients with <20 teeth and DFT over mean (p=0.004, 0.003). Adjusted for age, gender, CCI, and polypharmacy.

    Conclusion: The study showed that impaired oral health was prevalent in older trauma patients and that negative effects on oral health were significantly associated with chronic diseases and drug use. The results emphasize the importance of identifying orthogeriatric patients with oral health problems and to stress the necessity to uphold good oral care during a period when functional decline can be expected.

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  • 13.
    Andersson, Pia
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Research Platform for Collaboration for Health.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Blekinge Institute of Thechology & Trinity College, Dublin.
    Sjögren, P
    Oral Care.
    Zimmerman, M
    Karolinska Institutet.
    Dental status in nursing home residents with domiciliary dental care in Sweden2017In: Community Dental Health, ISSN 0265-539X, Vol. 34, no 4, p. 203-207Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To describe the dental health status of elderly people in nursing homes receiving domiciliary dental care.

    DESIGN: Case note review.

    CLINICAL SETTING: Nursing homes in 8 Swedish counties.

    PARTICIPANTS: Care dependent elderly people (≥65 years).

    METHODS: Clinical data, including the number of remaining natural teeth, missing and decayed teeth (manifest dental caries) and root remnants, recorded by dentists according to standard practices. Medical and dental risk assessments were performed.

    RESULTS: Data were available for 20,664 patients. Most were women (69.1%), with a mean age of 87.1 years (SD 7.42, range 65-109). The mean age for men was 83.5 years (SD 8.12, range 65-105). Two or more medical conditions were present in most of the population. A total of 16,210 individuals had existing teeth of whom 10,974 (67.7%) had manifest caries. The mean number of teeth with caries was 5.0 (SD 5.93) corresponding to 22.8% of existing teeth. One in four individuals were considered to have a very high risk in at least one professional dental risk assessment category.

    CONCLUSIONS: Care dependent elderly in nursing homes have very poor oral health. There is a need to focus on the oral health-related quality of life for this group of frail elderly during their final period of life.

  • 14.
    Bellander, Lisa
    et al.
    Göteborgs universitet, Folktandvården Västra Götaland.
    Andersson, Pia
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Research Platform for Collaboration for Health. Kristianstad University, Faculty of Health Science, Department of Oral Health.
    Nordvall, Dennis
    Qulturum, Region Jönköpings län.
    Hägglin, Catharina
    Göteborgs universitet, Folktandvården Västra Götaland.
    Oral health among older adults in nursing homes: a survey in a national quality register, the senior alert2021In: Nursing Open, E-ISSN 2054-1058Article in journal (Refereed)
    Abstract [en]

    Aim: To investigate the extent to which the Revised Oral Assessment Guide–Jönköping (ROAG-J) is used by nursing staff routinely in nursing homes in Swedenand to describe oral health status of the residents.

    Design: An observational, retrospective register-based study.

    Methods: Data from different validated health assessments instruments, includingROAG-J, for the period 2011–2016 were obtained from the Web-based nationalquality register Senior Alert. The basis for the analyses was 190,016 assessments.

    Results: About half of all residents had underwent at least one annual ROAG-J assessment (2014–2016). During the period 2011–2016, 42% of the residents (n = 92,827) were registered to have oral health problems. Significantly more oral health problemswere found for men and for those with younger age, poorer physical condition, neurophysiological problems, underweight, impaired mobility and many medications. Inconclusion, poorer oral health was found for more care-dependent individuals, whichshows a need of preventive actions.

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  • 15.
    Berglundh, Tord
    et al.
    University of Gothenburg.
    Armitage, Gary
    USA.
    Araujo, Mauricio G
    Brazil.
    Avila-Ortiz, Gustavo
    USA.
    Blanco, Juan
    Spain.
    Camargo, Paulo M
    USA.
    Chen, Stephen
    Australia.
    Cochran, David
    USA.
    Derks, Jan
    University of Gothenburg.
    Figuero, Elena
    Spain.
    Hämmerle, Christoph H F
    Switzerland.
    Heitz-Mayfield, Lisa J A
    Switzerland.
    Huynh-Ba, Guy
    USA.
    Iacono, Vincent
    USA.
    Koo, Ki-Tae
    South Korea.
    Lambert, France
    Belgium.
    McCauley, Laurie
    Belgium.
    Quirynen, Marc
    Belgium.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Salvi, Giovanni E
    Switzerland.
    Schwarz, Frank
    Germany.
    Tarnow, Dennis
    USA.
    Tomasi, Cristiano
    University of Gothenburg.
    Wang, Hom-Lay
    USA.
    Zitzmann, Nicola
    Switzerland.
    Peri-implant diseases and conditions: consensus report of workgroup 4 of the 2017 world workshop on the classification of periodontal and peri-implant diseases and conditions2018In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 45, no S20, p. 286-291Article in journal (Refereed)
    Abstract [en]

    A classification for peri-implant diseases and conditions was presented. Focused questions on the characteristics of peri-implant health, peri-implant mucositis, peri-implantitis, and soft- and hard-tissue deficiencies were addressed. Peri-implant health is characterized by the absence of erythema, bleeding on probing, swelling, and suppuration. It is not possible to define a range of probing depths compatible with health; Peri-implant health can exist around implants with reduced bone support. The main clinical characteristic of peri-implant mucositis is bleeding on gentle probing. Erythema, swelling, and/or suppuration may also be present. An increase in probing depth is often observed in the presence of peri-implant mucositis due to swelling or decrease in probing resistance. There is strong evidence from animal and human experimental studies that plaque is the etiological factor for peri-implant mucositis. Peri-implantitis is a plaque-associated pathological condition occurring in tissues around dental implants, characterized by inflammation in the peri-implant mucosa and subsequent progressive loss of supporting bone. Peri-implantitis sites exhibit clinical signs of inflammation, bleeding on probing, and/or suppuration, increased probing depths and/or recession of the mucosal margin in addition to radiographic bone loss. The evidence is equivocal regarding the effect of keratinized mucosa on the long-term health of the peri-implant tissue. It appears, however, that keratinized mucosa may have advantages regarding patient comfort and ease of plaque removal. Case definitions in day-to-day clinical practice and in epidemiological or disease-surveillance studies for peri-implant health, peri-implant mucositis, and peri-implantitis were introduced. The proposed case definitions should be viewed within the context that there is no generic implant and that there are numerous implant designs with different surface characteristics, surgical and loading protocols. It is recommended that the clinician obtain baseline radiographic and probing measurements following the completion of the implant-supported prosthesis.

  • 16.
    Dalago, Haline Renata
    et al.
    Brasilien.
    Schuldt Filho, Guenther
    Brasilien.
    Rodrigues, Mônica Abreu Pessoa
    Brasilien.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Bianchini, Marco Aurélio
    Brasilien.
    Risk indicators for peri-implantitis: a cross-sectional study with 916 implants2017In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 28, no 2, p. 144-150Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: The aim of this study was to identify systemic and local risk indicators associated with peri-implantitis.

    MATERIAL AND METHODS: One hundred eighty-three patients treated with 916 osseointegrated titanium implants, in function for at least 1 year, were included in the present study. The implants were installed at the Foundation for Scientific and Technological Development of Dentistry (FUNDECTO) - University of Sao Paulo (USP) - from 1998 to 2012. Factors related to patient's systemic conditions (heart disorders, hypertension, smoking habits, alcoholism, liver disorders, hepatitis, gastrointestinal disease, diabetes mellitus I and II, hyperthyroidism or hypothyroidism, radiation therapy, chemotherapy, menopause, osteoporosis, active periodontal disease, history of periodontal disease and bruxism), implant's characteristics (location, diameter, length, connection, shape, and antagonist), and clinical parameters (wear facets, periodontal status on the adjacent tooth, plaque accumulation on the adjacent tooth, modified plaque index, sulcus bleeding index, probing depth, bleeding on probing, width of keratinized tissue and marginal recession).

    RESULTS: An increased risk of 2.2 times for history of periodontal disease (PD), 3.6 times for cemented restorations compared to screw-retained prostheses, 2.4 times when wear facets were displayed on the prosthetic crown and 16.1 times for total rehabilitations when compared to single rehabilitations were found. Logistic regression analysis did not show any association between the implant's characteristics and peri-implantitis.

    CONCLUSIONS: A history of periodontal disease, cemented prostheses, presences of wear facets on the prosthetic crown and full mouth rehabilitations were identified as risk indicators for peri-implantitis. Implants' characteristics were not related to the presence of peri-implantitis.

  • 17.
    Erovic Ademovski, Seida
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Treatment of intra-oral halitosis2017Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Intra-oral  halitosis  (bad  breath)  is reported  to affect  15-83 % of the adult population. Having intra-oral halitosis is a social and psycho-logical handicap, and may cause people in the  person’s social circle to increase the physical distance or to turn their faces in another direction to avoid the unpleasant smell from the exhaled air. Such behaviours may affect the individual’s self-confidence resulting in insecurity in social and intimate relations. The oral health-related quality of life status has also been reported to be lower in individuals with halitosis. Approximately 90% of what is considered as bad breath is the result of the degradation of organic substrates (proteins) by an- aerobic bacteria of the oral cavity. Intra-oral halitosis can be  assessed using both subjective and objective methods to evaluate the subject’s exhaled air. The most common one and the one often referred to as the ”gold standard”, is the organoleptic scoring system (OLS). OLS is a subjective method  evaluating  the  strength  of halitosis in exhaled air using a scale from 0-5. One objective  method to assess the presence of volatile sulphur compounds in exhaled air is to use a sulphide monitor measuring the total sum of the volatile sulphur  compounds  (T-VSC) in exhaled  air.  The three  gases  (hydrogensulphide (H2S), methyl mercaptan (MM) and dimethyl sulphide (DMS)) in exhaled air related to intra-oral halitosis can be assessed separately using a simplified gas chromatograph. Different treatment models such as periodontal treatment, tongue scraping and rinsing with Zn ion containing products have been used to reduce intra-oralhalitosis. The  present  thesis  has  evaluated  the  efficacy of  different treatment models in the treatment of intra-oral  halitosis.

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  • 18.
    Erovic Ademovski, Seida
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Lingström, P
    University of Gothenburg.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Blekinge Institute of Techology, Dublin Dental University Hospital, Dublin.
    The effect of different mouth rinse products on intra-oral halitosis2016In: International Journal of Dental Hygiene, ISSN 1601-5029, E-ISSN 1601-5037, Vol. 14, no 2, p. 117-123Article in journal (Refereed)
    Abstract [en]

    AIM: To evaluate the effect of different mouth rinses 12 h after rinsing on genuine intra-oral halitosis.

    MATERIALS AND METHODS: Twenty-four adults with halitosis were included in a double-blind, crossover, randomized clinical trial. Halitosis was evaluated 12 h after rinsing with placebo and five mouth rinse products containing zinc acetate and chlorhexidine diacetate; zinc lactate, chlorhexidine and cetylpyridinium chloride; zinc acetate and chlorhexidine diacetate with reduced amounts of mint and menthol; zinc chloride and essential oil; and chlorine dioxide using the organoleptic method and a gas chromatograph. Test periods were separated by 1 week.

    RESULTS: Hydrogen sulphide (H2 S), methyl mercaptan (MM) and the organoleptic scores (OLS) were significantly reduced 12 h following rinsing with all substances compared to placebo (P < 0.05). H2 S was more effectively reduced after rinsing with zinc acetate and chlorhexidine diacetate and zinc acetate and chlorhexidine diacetate with reduced amounts of mint and menthol compared to rinsing with zinc chloride and essential oil (P < 0.05), and significantly lower values of MM were obtained after rinsing with zinc acetate and chlorhexidine diacetate compared to zinc lactate, chlorhexidine and cetylpyridinium chloride (P < 0.05). The percentage effectively treated individuals (H2 S (<112 ppb), MM (<26 ppb) and OLS score <2) varied from 58% percentage (zinc acetate and chlorhexidine diacetate) to 26% (zinc chloride and essential oil).

    CONCLUSION: All treatments resulted in reduction in halitosis 12 h after rinsing compared to placebo. H2 S and MM were most effectively reduced by zinc acetate and chlorhexidine diacetate.

  • 19.
    Erovic Ademovski, Seida
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Mårtensson, Carina
    Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap.
    Persson, Rutger G
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    The long-term effect of a zinc acetate and chlorhexidine diacetate containing mouth rinse on intra-oral halitosis: a randomized clinical trial2017In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 44, no 10, p. 1010-1019Article in journal (Refereed)
  • 20.
    Erovic Ademovski, Seida
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Persson, G. Rutger
    Department of Periodontology, School of Dental Medicine, University of Bern.
    Winkel, Edwin
    Academic Centre for Oral Health, Department of Periodontology, University Medical Centre Groningen.
    Tangerman, Albert
    Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Nijmegen.
    Lingström, Peter
    Department of Cariology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    The short-term treatment effects on the microbiota at the dorsum of the tongue in intra-oral halitosis patients: a randomized clinical trial2013In: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 17, no 2, p. 463-473Article in journal (Refereed)
    Abstract [en]

    Objectives This study aims to assess the effects of rinsing with zinc- and chlorhexidine-containing mouth rinse with or without adjunct tongue scraping on volatile sulfur compounds (VSCs) in breath air, and the microbiota at the dorsum of the tongue. Material and methods A randomized single-masked controlled clinical trial with a cross-over study design over 14 days including 21 subjects was performed. Bacterial samples from the dorsum of the tongue were assayed by checkerboard DNA–DNA hybridization. Results No halitosis (identified by VSC assessments) at day 14 was identified in 12/21 subjects with active rinse alone, in 10/21with adjunct use of tongue scraper, in 1/21 for negative control rinse alone, and in 3/21 in the control and tongue scraping sequence. At day 14, significantly lower counts were identified only in the active rinse sequence ( p &lt; 0.001) for 15/78 species including , Fusobacterium sp., Porphyromonas gingivalis , Pseudomonas aeruginosa , Staphylococcus aureus , and Tannerella forsythia . A decrease in bacteria from baseline to day 14 was found in successfully treated subjects for 9/74 species including: P. gingivalis , Prevotella melaninogenica , S. aureus , and Treponema denticola . Baseline VSC scores were correlated with several bacterial species. The use of a tongue scraper combined with active rinse did not change the levels of VSC compared to rinsing alone. Conclusions VSC scores were not associated with bacterial counts in samples taken from the dorsum of the tongue. The active rinse alone containing zinc and chlorhexidine had effects on intra-oral halitosis and reduced bacterial counts of species associated with malodor. Tongue scraping provided no beneficial effects on the microbiota studied. Clinical relevance Periodontally healthy subjects with intra-oral halitosis benefit from daily rinsing with zinc- and chlorhexidine-containing mouth rinse.

  • 21.
    Fardal, Øystein
    et al.
    Private practice, Egersund.
    Fardal, Patrick
    Dublin Dental University Hospital, Dublin.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Periodontal and general health in long-term periodontal maintenance patients treated in a Norwegian private practice: a descriptive report from a compliant and partially compliant survivor population2013In: Journal of Periodontology, ISSN 0022-3492, E-ISSN 1943-3670, Vol. 84, no 10, p. 1374-1381Article in journal (Refereed)
    Abstract [en]

    Background There is weak evidence to support the benefit of periodontal maintenance therapy in preventing tooth loss. In addition, the effects of long-term periodontal treatment on general health are unclear.

    Materials/Methods Compliant and partially compliant patients (15-25 years follow-up) in private practice were observed for oral and systemic health changes.

    Results 219 compliant patients (128 females, 91 males) were observed for 19.1 years (range 15-25, SD ± 2.8). Age at reassessment was 64.6 years (range 39-84 SD ±9.0). 145 patients were stable (0-3 teeth lost), 54 were downhill (4-6 teeth lost) and 21 patients extreme downhill (>6 teeth lost). 16 patients developed hypertension, 13 developed diabetes II, and 15 suffered myocardial infarcts (MI). A minority developed other systemic diseases. Risk factors for MI included overweight (OR 9.04,95% CI:2.9-27.8, p=0.000), family history with cardiovascular disease (OR 3.10, 95 % CI:1.07-8.94, p=0.029), diabetes I at baseline (p=0.02) and developing diabetes II (O.R. 7.9, 95 % CI: 2.09-29.65, p=0.000). 25 partially compliant patients (8 females, 17 males) were observed for 19 years. This group had a higher proportion of downhill and extreme downhill cases and MI.

    Conclusion Patients who left the maintenance program in a periodontal specialist practice in Norway had a higher rate of tooth loss than compliant patients. Compliant maintenance patients in specialist practice in Norway have a similar risk of developing diabetes type II as the general population. A rate of 0.0037 myocardial infarcts per patient per year was recorded for this group. Due to the lack of external data, it is difficult to assess how this compares with untreated periodontal patients.

  • 22.
    Figuero, Elena
    et al.
    University Complutense, Madrid.
    Lindahl, Christel
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Marín, María José
    University Complutense, Madrid.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Herrera, David
    University Complutense, Madrid.
    Ohlsson, Ola
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap I. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Wetterling, Thomas
    Central Hospital Kristianstad.
    Sanz, Mariano
    University Complutense, Madrid.
    Quantification of periodontal pathogens in vascular, blood and subgingival samples from patients with peripheral arterial disease or abdominal aortic aneurysms2014In: Journal of Periodontology, ISSN 0022-3492, E-ISSN 1943-3670, Vol. 85, no 9, p. 1182-1193Article in journal (Refereed)
    Abstract [en]

    Background: The aim of this investigation was to quantify periodontal pathogens (Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Campylobacter rectus and Tannerella forsythia) in vascular, blood and subgingival samples. As secondary objective, two molecular bacterial identification methods [nested-polimerase chain reaction (PCR) and quantitative PCR (qPCR)] were compared.

    Methods: Seventy consecutive patients provided a vascular lesion, a blood sample, and 36 subgingival samples. Bacterial deoxyribonucleic acid (DNA) was extracted and qPCR was used to determine the prevalence and amounts of the target pathogens in each sample. Nested-PCR was only performed in the samples from vascular lesions. Periodontal examination was performed in 42 patients. U-Mann-Whitney or Chi-squared tests were used to compare microbiological results according to periodontal diagnosis.

    Results: All targeted periodontal pathogens (A. actinomycetemcomitans, P. gingivalis, T. forsythia or C. rectus) were detected in subgingival samples with a prevalence rate of 72.2%, 47.2%, 74.3% and 82.9%, respectively. In 7.1% and 11.4% of vascular and blood samples, bacterial DNA was detected. One patient was positive for A. actinomycetemcomitans in the three types of samples. No differences were found in the levels of targeted bacteria when comparing periodontitis and non-periodontitis patients. Prevalence rates obtained with nested PCR were significantly higher than those obtained by qPCR.

    Conclusions: The presence of of A. actinomycetemcomitans was demonstrated in vascular, blood and subgingival samples in one out of 36 patients. These results, although with a very low frequency, may support the hypothesis of a translocation of periodontal pathogens from subgingival microbiota to the blood stream and then to atheromatous plaques in carotid or other peripheral arteries. Nested-PCR is not an adequate method for identifying DNA of periodontal pathogens in low quantities, due to the high number of false negative results.

  • 23.
    Gkikas, Georgias
    et al.
    Irland.
    Maclaughlin, Mark
    Irland.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa. BTH.
    Polyzios, Ioannis
    Irland.
    A prospective study comparing the effect of L-PRF and porous titanium granules on the preservation of the buccal bone plate following immediate implant placement2020In: The international journal of periodontics & restorative dentistry, ISSN 0198-7569, E-ISSN 1945-3388, Vol. 40, no 5, p. 767-774Article in journal (Refereed)
    Abstract [en]

    The aim of this study was to compare the effect of an autogenous blood concentrate (L-PRF) with the effect of white porous titanium granules (WPTG) on buccal bone remodeling. These materials were used to graft the void between the implant and the buccal bone following immediate implant placement. Clinical measurements were made at two time points, and the mean buccal bone horizontal dimension at placement was 2.94 ± 0.59 mm for L-PRF and 3.49 ± 0.99 mm for WPTG. At reentry, the values were 1.19 ± 0.90 mm and 2.12 ± 0.87 mm, respectively. Overall, there was no difference observed in the performance of the two materials regarding buccal bone resorption.

  • 24.
    Gonda, Tomoya
    et al.
    Osaka University.
    Macentee, Michael I.
    University of British Columbia.
    Kiyak, H. Asuman
    University of Washington.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Persson, Rigmor E.
    University of Washington.
    Wyatt, Christopher
    University of British Columbia.
    Predictors of multiple tooth loss among socioculturally diverse elderly subjects2013In: International Journal of Prosthodontics, ISSN 0893-2174, E-ISSN 1139-9791, Vol. 26, no 2, p. 127-134Article in journal (Refereed)
    Abstract [en]

    Purpose: This study identifies clinical factors that predict multiple tooth loss in a socioculturally diverse population of older adults.

    Materials and Methods: A total of 193 participants from English-, Chinese-, or Punjabi-speaking communities in Vancouver, British Columbia, with low incomes and irregular use of dental services were followed for 5 years as part of a clinical trial of a 0.12% chlorhexidine mouthrinse. The participants were interviewed and examined clinically, including panoramic radiographs, at baseline and annually for 5 years. Binary logistic regression was used to test the hypothesis that there was no difference between incidence of multiple (≥ 3) tooth loss in older people with various biologic, behavioral, prosthodontic, and cultural variables over 5 years.

    Results: Multiple tooth loss, which was distributed similarly among the groups in the trial, occurred in 39 (20%) participants over 5 years. The use of removable prostheses was the best predictor of loss, followed by the number of carious surfaces and number of sites with gingival attachment loss > 6 mm. The pattern of prediction was consistent across the three linguocultural groups.

    Conclusion: The use of removable dentures was the dominant predictor of multiple tooth loss in the three communities, but that tooth loss was not significantly associated with the cultural heritage of the participants.

  • 25.
    Grönbeck Lindén, Ingela
    et al.
    Göteborgs universitet.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Research Platform for Collaboration for Health.
    Dahlin-Ivanoff, Synneve
    Göteborgs universitet.
    Gahnberg, Lars
    Karolinska institutet.
    Hägglin, Catharina
    Göteborgs universitet.
    Development of an instrument to assess oral hygiene ability in older adults: the oral hygiene ability instrument2019In: Gerodontology, ISSN 0734-0664, E-ISSN 1741-2358Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: To describe the development process of an instrument to assess the ability to manage daily oral hygiene and the cause of impaired oral hygiene. The instrument is initially aimed for use by the dental team in the ageing population.

    BACKGROUND: Oral hygiene is an important component of oral health. Inability to manage oral hygiene combined with other risk factors often results in poor oral health and impaired quality of life.

    METHODS: A guideline for instrument development was used during the construction of the instrument. The method included three phases: I. planning: the purpose and target group of the instrument were determined, and a literature review and qualitative focus-group study were conducted; II. construction: objectives were formulated, and a pool of items was built; and III. evaluation and validation, which included two pilot studies, interviews, item analyses and revision of the instrument.

    RESULTS: The planning and construction phases resulted in an instrument with 47 items comprising three parts: (a) interview, (b) clinical examination and (c) observation of activities of daily living (oral hygiene). After two pilot studies, the instrument was found to have good content validity. Analyses of qualitative and quantitative data resulted in a reduction in the number of items to 33.

    CONCLUSION: OHAI can be a valuable tool as a preventive method to identify older adults at risk of impaired oral health. However, the instrument needs further evaluation before wider use.

  • 26.
    Grönbeck-Lindén, Ingela
    et al.
    University of Gothenburg.
    Hägglin, Ingela
    University of Gothenburg.
    Gahnberg, Lars
    University of Gothenburg.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Research Platform for Collaboration for Health.
    Factors affecting older persons’ ability to manage oral hygiene: a qualitative study2017In: JDR Clinical & Translational Research, ISSN 2380-0844, Vol. 2, no 3, p. 223-231Article in journal (Refereed)
    Abstract [en]

    A great challenge for the dental service is to support the growing group of elderly people with preserving good oral health throughout their lives. Limitations in the ability to manage oral hygiene and an increased number of risk factors are often reflected by poor oral health. Thus, the need for individualized support and oral health procedures based on the older person’s condition is significant. Deficiencies in the motor skills needed to manage oral hygiene are well known, but other factors that affect the ability are not well studied. The aim of the present study was to identify factors that may affect an elderly person’s ability to perform oral hygiene self-care, which is the first step to develop a more comprehensive “oral hygiene ability index.” The design of the study was qualitative. Data were collected from 4 focus group interviews with a total of 23 participants. Three of the groups consisted of dental hygienists, occupational therapists, and assistant nurses, all working with elderly persons. The fourth group was made up of elderly people (72–89 years). Content analysis was used to analyze the data. The latent content was formulated into the core category, “oral hygiene—a complex activity.” Three categories emerged: “psychological,” “environmental,” and “functional” dimensions. The psychological dimension described attitude/motivation, emotions, and cognitive factors. The environmental dimension included practical conditions and social context. The functional dimension dealt with bodily and oral function as well as the senses. In conclusion, self-care with respect to oral hygiene is a complex activity for elderly persons and includes a large number of factors. These factors should be taken into consideration when developing a future oral hygiene ability index.

    Knowledge Transfer Statement: Various factors may affect the ability to manage oral hygiene self-care. Impaired ability to manage oral hygiene, in combination with an increased number of risk factors, often results in deteriorating oral health and impaired quality of life in older persons. Factors necessary to manage oral hygiene were identified in a qualitative study of dental hygienists, occupational therapists, and assistant nurses, all working with elderly patients, and a group of elderly persons. The results of this study may be important for clinical oral health work with older patients and for the planning of oral health and social care interventions for the growing group of older people.

  • 27.
    Hallström, Hadar
    et al.
    Malmö University.
    Lindgren, Susann
    Halland Hospital, Halmstad.
    Widén, Cecilia
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Renvert, Stefan
    Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap.
    Twetman, Svante
    Danmark.
    Probiotic supplements and debridement of peri-implant mucositis: a randomized controlled trial2015In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 74, no 1, p. 60-66Article in journal (Refereed)
    Abstract [en]

    Objective.

    The aim of this double-blind randomized placebo-controlled trial was to evaluate the effects of probiotic supplements in adjunct to conventional management of peri-implant mucositis.

    Materials and methods.

    Forty-nine adult patients with peri-implant mucositis were consecutively recruited after informed consent. After initial mechanical debridement and oral hygiene instructions, the patients received a topical oil application (active or placebo) followed by twice-daily intake of lozenges (active or placebo) for 3 months. The active products contained a mix of two strains of Lactobacillus reuteri. Patients were clinically monitored and sampled at baseline and after 1, 2, 4, 12 and 26 weeks. The clinical end-points were pocket-probing depth (PPD), plaque index (PI) and bleeding on probing (BOP). In addition, the subgingival microbiota was processed with checkerboard DNA-DNA hybridization and samples of gingival crevicular fluid (GCF) were analyzed for selected cytokines with the aid of multiplex immunoassays.

    Results.

    After 4 and 12 weeks, all clinical parameters were improved in both the test and the placebo group. PPD and BOP were significantly reduced compared with baseline (p < 0.05), but no significant differences were displayed between the groups. The clinical improvements persisted 3 months after the intervention. No major alterations of the subgingival microflora were disclosed and the levels of inflammatory mediators in GCF did not differ between the groups.

    Conclusions.

    Mechanical debridement and oral hygiene reinforcement resulted in clinical improvement of peri-implant mucositis and a reduction in cytokine levels. Probiotic supplements did not provide added benefit to placebo.

  • 28.
    Hallström, Hadar
    et al.
    Maxillofacial unit, Halland Hospital, Halmstad.
    Lindgren, Susann
    Maxillofacial unit, Halland Hospital, Halmstad.
    Yucel-Lindberg, Tülay
    Department of Dental Medicine, Karolinska Institutet.
    Dahlén, Gunnar
    Department of Odontology, Oral microbiology, Sahlgenska Academy at Gothenburg University.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Twetman, Svante
    Maxillofacial unit, Halland Hospital, Halmstad.
    Effect of probiotic lozenges on inflammatory reactions and oral biofilm during experimental gingivitis2013In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 71, no 3-4, p. 828-833Article in journal (Refereed)
    Abstract [en]

    Aim. Probiotic bacteria have been introduced for prevention and treatment of periodontal diseases. The aim was to assess if daily oral administration of probiotic bacteria could influence the inflammatory response and the composition of supragingival plaque in an experimental gingivitis model. Materials and methods. Eighteen healthy female adults volunteered after informed consent. A double-blind randomized placebo-controlled cross-over design was used. The buccal surface of first molars was used as experimental sites. A mouth-guard covering the first premolar to second molar was used when brushing, preventing accidental cleaning during 3 weeks of plaque accumulation. Lozenges containing L. reuteri (ATCC55730 and ATCC PTA5289) or placebo were taken twice a day. During the run-in and washout periods, professional tooth cleaning was performed 5 days/week. At baseline and follow-up, plaque index, gingival index and bleeding on probing were recorded. Samples of gingival crevicular fluid (GCF) were analysed for concentration of seven inflammatory mediators. Bacterial samples were processed with checkerboard DNA/DNA-hybridization. Results. All subjects presented a local plaque accumulation and developed manifest gingivitis at the test sites during the intervention periods. The volume of GCF increased in both groups but was statistically significant only in the placebo group (p < 0.05). The concentrations of IL1-β and IL-18 increased significantly (p < 0.05), while IL-8 and MIP1-β decreased (p < 0.05). No differences were displayed between test and placebo. Likewise, the microbial composition did not differ between the groups. Conclusion. Daily intake of probiotic lozenges did not seem to significantly affect the plaque accumulation, inflammatory reaction or the composition of the biofilm during experimental gingivitis.

  • 29.
    Hallström, Hadar
    et al.
    Malmö University.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Strömberg, Ulf
    Halland Hospital.
    Twetman, Svante
    University of Copenhagen.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Reproducibility of subgingival bacterial samples from patients with peri-implant mucositis2015In: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 19, no 5, p. 1063-1068Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: The aim of the present study was to investigate the reproducibility of bacterial enumeration from subsequent subgingival samples collected from patients with peri-implant mucositis.

    MATERIAL AND METHODS: Duplicate microbial samples from 222 unique implant sites in 45 adult subjects were collected with paper points and analyzed using the checkerboard DNA-DNA hybridization technique. Whole genomic probes of 74 preselected bacterial species were used. Based on the bacterial scores, Cohen's kappa coefficient was used to calculate the inter-annotator agreement for categorical data. The percentage agreement was considered as "good" when the two samples showed the same score or differed by 1 to the power of 10.

    RESULTS: Moderate to fair kappa values were displayed for all bacterial species in the test panel (range 0.21-0.58). There were no significant differences between Gram-positive and Gram-negative species. The percentage of good agreement between the first and second samples averaged 74.7 % (n = 74; range 56-83 %), while the proportion of poor agreement ranged from 1 to 19 % for the various strains.

    CONCLUSION: While an acceptable clinical agreement was obtained in most cases, diverging bacterial scores may appear in subgingival samples collected at the same time point from patients with peri-implant mucositis.

    CLINICAL RELEVANCE: The broad bulky base of implant crowns may present an obstacle for the collection of reproducible subgingival samples with paper points.

  • 30.
    Hallström, Hadar
    et al.
    Malmö University.
    Persson, Rutger G
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Lindgren, Susann
    Halland's hospital.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Open flap debridement of peri-implantitis with or without adjunctive systemic antibiotics: a randomized clinical trial.2017In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 44, no 12, p. 1285-1293Article in journal (Refereed)
    Abstract [en]

    AIMS: To investigate clinical, radiographic and microbiological outcome over 12 months following open flap debridement of peri-implantitis with or without antibiotics.

    MATERIALS AND METHODS: Peri-implantitis was surgically treated with or without Zithromax(®) in 19 control and 20 test individuals. Probing pocket depth (PPD), gingival inflammation (BOP), intra-oral radiographs and microbial samples were studied. Per protocol, and intent to treat analyzes were performed.

    RESULTS: The mean difference (reduction) in PPD values between baseline and month 12 in the test and control groups were: 1.7 mm (SD ± 1.1, 95% CI: 1.1, 2.3, p < 0.001), and 1.6 mm (SD ± 1.5, 95% CI: 0.8, 2,4, p < 0.001), respectively. Data analysis failed to show study group differences for BOP, PPD, radiographic bone level, and microbial load. Succesful treatment (per protocol: PPD≤ 5 mm, no BOP, no suppuration and no bone loss ≥ 0.5 mm) at 12 months in test and control groups were 7/15 (46.7%), and 4/16 (25.0%). Bacterial load reduction was similar in study groups with a temporary reduction following treatment.

    CONCLUSIONS: Surgical treatment of peri-implantitis with adjunctive systemic azithromycin did not provide one-year clinical benefits in comparison to those only receiving open flap debridement. This article is protected by copyright. All rights reserved.

  • 31.
    Hirooka, Hideaki
    et al.
    Japan.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Diagnosis of periimplant disease2019In: Implant Dentistry, ISSN 1056-6163, E-ISSN 1538-2982, Vol. 28, no 2, p. 144-149Article in journal (Refereed)
    Abstract [en]

    PURPOSE: The aim of this review is to describe the current guidelines for the differential diagnosis of periimplant diseases.

    MATERIALS AND METHODS: Synopsis reviews were conducted to define the differential diagnosis of periimplant disease through an electronic literature search in MEDLINE up to February 2018.

    DISCUSSION: Periimplant mucositis is defined by the presence of bleeding and/or suppuration on gentle probing with or without an increased probing depth compared with previous examinations and by the absence of bone loss beyond crestal bone-level changes resulting from initial bone remodeling. Periimplantitis is defined by the presence of bleeding and/or suppuration on gentle probing with an increased probing depth compared with previous examinations and by the presence of bone loss beyond crestal bone-level changes resulting from initial bone remodeling. Thus, a combination of clinical registrations (probing pocket depth, bleeding on probing, and presence of pus) combined with radiographic signs of possible bone loss is needed for differential diagnosis.

    CONCLUSIONS: An accurate baseline registration at the time of placement of the prosthesis (probing pocket depth and bone level) with ongoing yearly monitoring is essential for diagnosis and appropriate disease management.

  • 32.
    Holmer, Helene
    et al.
    Kristianstad Central Hospital.
    Widén, Cecilia
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Wallin Bengtsson, Viveca
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Coleman, Michael
    Skåne University Hospital,.
    Wohlfart, Björn
    Lund University.
    Steen, Stig
    Lund University.
    Persson, Rutger G
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Sjöberg, Klas
    Lund University.
    Improved general and oral health in diabetic patients by an Okinawan-based Nordic diet: a pilot study2018In: International Journal of Molecular Sciences, ISSN 1661-6596, E-ISSN 1422-0067, Vol. 19, no 7, article id E1949Article in journal (Refereed)
    Abstract [en]

    Periodontal disease, periodontitis as well as the preceding gingivitis, has been associated with both obesity and diabetes. Studies have shown that diet changes can lead to a lower incidence of such inflammation. The aim of the present case series over four weeks was to study the effects on medical and dental conditions in patients with type 2 diabetes of the consumption of the Okinawan-based Nordic Diet (OBND&reg;). Medical and dental examinations were performed to estimate the general health and gingivitis/periodontitis. Serum cytokine levels were assessed using Luminex technology. Eight of ten study participants completed the study. All participants lost weight (p = 0.012). Six out of seven that were treated with insulin could reduce their insulin intake after two weeks with OBND&reg;. The reduction was about 16 units which corresponds to a 34% relative reduction compared to the starting point (range 15⁻63%). Fasting blood glucose values fell (p = 0.035). Hemoglobin A1c (HbA1c) (p = 0.01), triglycerides (p = 0.05), and low-density lipoprotein (LDL) (p = 0.05) were also reduced. Bleeding on probing changed from ~28% before any dietary changes to ~13% after two weeks with OBND&reg; (p = 0.01). The reduction in gingival bleeding was as substantial as might be expected from one session of professional tooth cleaning. Markers of inflammation were also reduced. The OBND&reg; thus showed significant promise in alleviating the impact of diabetes on dental as well as general health.

  • 33.
    Isehed, Catrine
    et al.
    Umeå university.
    Holmlund, Anders
    Uppsala university.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Svenson, Björn
    Örebro university.
    Johansson, Ingegerd
    Umeå university.
    Lundberg, Pernilla
    Umeå university.
    Effectiveness of enamel matrix derivative on the clinical and microbiological outcomes following surgical regenerative treatment of peri-implantitis: a randomized controlled trial2016In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 43, no 10, p. 863-873Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: This randomized clinical trial aimed at comparing radiological, clinical and microbial effects of surgical treatment of peri-implantitis alone or in combination with enamel matrix derivative (EMD).

    METHODS: Twenty-six subjects were treated with open flap debridement and decontamination of the implant surfaces with gauze and saline preceding adjunctive EMD or no EMD. Bone level (BL) change was primary outcome and secondary outcomes were changes in pocket depth (PD), plaque, pus, bleeding and the microbiota of the peri-implant biofilm analyzed by the Human Oral Microbe Identification Microarray over a time period of 12 months.

    RESULTS: In multivariate modelling, increased marginal BL at implant site was significantly associated with EMD, the number of osseous walls in the peri-implant bone defect and a Gram+/aerobic microbial flora, whereas reduced BL was associated with a Gram-/anaerobic microbial flora and presence of bleeding and pus, with a cross-validated predictive capacity (Q(2) ) of 36.4%. Similar, but statistically non-significant, trends were seen for BL, PD, plaque, pus and bleeding in univariate analysis.

    CONCLUSION: Adjunctive EMD to surgical treatment of peri-implantitis was associated with prevalence of Gram+/aerobic bacteria during the follow-up period and increased marginal BL 12 months after treatment.

  • 34.
    Jepsen, K.
    et al.
    Tyskland.
    Jepsen, S.
    Tyskland.
    Laine, M.L.
    Nederländerna.
    Anssari Moin, D
    Nederländerna.
    Pilloni, A
    Italien.
    Zeza, B
    Italien.
    Sanz, M
    Spanien.
    Roos-Jansåker, Anne-Marie
    Region Skåne.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Reconstruction of peri-implant osseous defects: a multicenter randomized trial2016In: Journal of Dental Research, ISSN 0022-0345, E-ISSN 1544-0591, Vol. 95, no 1, p. 58-66Article in journal (Refereed)
    Abstract [en]

    There is a paucity of data for the effectiveness of reconstructive procedures in the treatment of peri-implantitis. The objective of this study was to compare reconstruction of peri-implant osseous defects with open flap debridement (OFD) plus porous titanium granules (PTGs) compared with OFD alone. Sixty-three patients (36 female, 27 male; mean age 58.4 y [SD 12.3]), contributing one circumferential peri-implant intraosseous defect, were included in a multinational, multicenter randomized trial using a parallel-group design. After OFD and surface decontamination using titanium brushes and hydrogen peroxide, 33 defects received PTGs. The implants were not submerged. All patients received adjunctive perioperative systemic antibiotics. The primary outcome variable (defect fill) was assessed on digitalized radiographs. Clinical measurements of probing depth (PPD), bleeding on probing (BoP), suppuration, and plaque were taken by blinded examiners. After 12 mo, the test group (OFD plus PTG) showed a mean radiographic defect fill (mesial/distal) of 3.6/3.6 mm compared with 1.1/1.0 in the control group (OFD). Differences were statistically significant in favor of the test group (P < 0.0001). The OFD plus PTG group showed a mean reduction in PPD of 2.8 mm compared with 2.6 mm in the OFD group. BoP was reduced from 89.4% to 33.3% and from 85.8% to 40.4% for the test and control groups, respectively. There was no significant difference in complete resolution of peri-implantitis (PPD ≤4 mm and no BoP at six implant sites and no further bone loss), because this finding was accomplished at 30% of implants in the test group and 23% of implants in the control group. Reconstructive surgery using PTGs resulted in significantly enhanced radiographic defect fill compared with OFD. However, limitations in the lack of ability to discern biomaterial from osseous tissue could not be verified to determine new bone formation. Similar improvements according to clinical measures were obtained after both surgical treatment modalities (ClinicalTrials.gov NCT02406001).

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  • 35.
    Jepsen, S
    et al.
    Germany.
    Schwarz, F
    Germany.
    Cordaro, L
    Italy.
    Derks, J
    University of Gothenburg.
    Hämmerle, C H F
    Switzerland.
    Heitz-Mayfield, L J
    Australia.
    Hernández-Alfaro, F
    Spain.
    Meijer, H J A
    Netherlands.
    Naenni, N
    Switzerland.
    Ortiz-Vigón, A
    Spain.
    Pjetursson, B
    Iceland.
    Raghoebar, G M
    Netherlands.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Rocchietta, I
    England.
    Roccuzzo, M
    Italy.
    Sanz-Sánchez, I
    Spain.
    Simion, M
    Italy.
    Tomasi, C
    University of Gothenburg.
    Trombelli, L
    Italy.
    Urban, I
    USA.
    Regenration of alveolar ridge defects: Consensus report of group 4 of the 15th European Workshop on Periodontology on Bone Regeneration2019In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 46, p. 277-286Article in journal (Refereed)
    Abstract [en]

    BACKGROUND AND AIMS: Bone augmentation procedures to enable dental implant placement are frequently performed. The remit of this working group was to evaluate the current evidence on the efficacy of regenerative measures for the reconstruction of alveolar ridge defects.

    MATERIAL AND METHODS: The discussions were based on four systematic reviews focusing on lateral bone augmentation with implant placement at a later stage, vertical bone augmentation, reconstructive treatment of peri-implantitis associated defects, and long-term results of lateral window sinus augmentation procedures.

    RESULTS: A substantial body of evidence supports lateral bone augmentation prior to implant placement as a predictable procedure in order to gain sufficient ridge width for implant placement. Also, vertical ridge augmentation procedures were in many studies shown to be effective in treating deficient alveolar ridges to allow for dental implant placement. However, for both procedures the rate of associated complications was high. The adjunctive benefit of reconstructive measures for the treatment of peri-implantitis-related bone defects has only been assessed in a few RCTs. Meta-analyses demonstrated a benefit with regard to radiographic bone gain but not for clinical outcomes. Lateral window sinus floor augmentation was shown to be a reliable procedure in the long-term for the partially and fully edentulous maxilla.

    CONCLUSIONS: The evaluated bone augmentation procedures were proven to be effective for the reconstruction of alveolar ridge defects. However, some procedures are demanding and bear a higher risk for postoperative complications. This article is protected by copyright. All rights reserved.

  • 36.
    Johannsen, Annsofi
    et al.
    Department of Dental Medicine, Division of Periodontology & Dental Hygiene, Karolinska Institutet.
    Wickholm, Seppo
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Tobacco cessation interventions by Swedish dental hygienists: a questionnaire study2012In: Swedish Dental Journal, ISSN 0347-9994, Vol. 36, no 1, p. 45-52Article in journal (Refereed)
    Abstract [en]

    The aim of the study was to investigate tobacco cessation interventions by Swedish dental hygienists and their perception of the importance of tobacco cessation to oral health. A questionnaire was mailed to 400 randomly selected dental hygienists (DH) in Sweden. The questions covered such topics as tobacco cessation interventions, perceived barriers, and their perception of the importance of tobacco cessation in relation to caries, gingivitis, periodontitis and dental implants. The response rate was 57%. Tobacco habits were routinely recorded by 94% of the respondents. 52% of the dental hygienists reported time constraints, 50% reported insufficient competence and 43% answered that they had lack of experience to work with tobacco cessation. All respondents perceived tobacco cessation to be an important determinant of treatment outcomes in patients with dental implants and periodontitis. Bivariate analysis showed an association between training courses in tobacco cessation and tobacco cessation interventions (OR 3.25, CI 95% 1.80-5.85). A logistic multivariate regression model disclosed two other factors significantly correlated with tobacco cessation interventions: competence (OR 2.4, 95% CI 1.16-4.85), and experience (OR 2.1, 95% CI 1.06-4.28). The analyses were adjusted for age, length of undergraduate training course, and dental care organization. The dental hygienists considered tobacco cessation to be very important in patients with periodontitis and in those with dental implants. Most of the DH in this study undertook some tobacco cessation interventions, though not extensive; the main barriers reported were lack of time, competence and experience.

  • 37.
    Juusela, Pirjo L.
    et al.
    Finland.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life.
    Nieminen, Anja R.
    Finland.
    Kiuru-Enari, Sari M.
    Finland.
    Uitto, Veli-Jukka
    Finland.
    Relation of gelsolin amyloidosis and periodontal health2015In: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 19, no 2, p. 229-235Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: Hereditary gelsolin amyloidosis (AGel amyloidosis) is a rare, dominantly inherited systemic disease with worldwide distribution, caused by a gelsolin gene mutation. We studied the periodontal conditions and microbiological plaque composition of AGel amyloidosis patients.

    MATERIAL AND METHODS: A voluntary study group of 36 AGel amyloidosis patients (mean age 61) filled in a questionnaire. A thorough periodontal examination included periodontal pocket depth and attachment level measurements, registrations of visible plaque, bleeding on probing and panoramic radiographs. The presence of oral Candida was studied by fungal culture method. Bacterial samples from deepened pockets (≥4 mm) were analyzed with checkerboard DNA-DNA hybridization method.

    RESULTS: VPI (15.3 %) and BOP (11.2 %) of the patients were modest reflecting relatively adequate oral self-care. Still 89 % of the patients had at least one PPD of ≥4 mm; 78.5 % of the PPDs ≥6 mm were found in molars. Patients had lost one third of the molars due to periodontitis and/or tooth decay. Half of the patients (53 %) were Candida carriers. Bacterial analysis of subgingival plaque samples revealed bacterial species common to chronic periodontitis.

    CONCLUSION: AGel amyloidosis may increase the risk for periodontitis even when the oral self-care is adequate. Molar teeth appear to be mostly affected, leading to tooth loss.

    CLINICAL RELEVANCE: AGel amyloidosis as a systemic disease is related with a vast variety of symptoms with variable severity. Even though a causal relationship of the systemic disease and periodontitis has not yet been proven, increased risk for periodontal problems should be considered when examining AGel amyloidosis patients.

  • 38. Klinge, Björn
    et al.
    Flemming, Thomas
    Cosyn, Jan
    De Bruyn, Hugo
    Eisner, Barbara M
    Hultin, Margareta
    Isidor, Flemming
    Lang, Niklaus P
    Lund, Bodil
    Meyle, Jürg
    Mombelli, Andrea
    Navarro, Jose Manuel
    Pjetursson, Bjarni
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Schliephake, Henning
    The patient undergoing implant therapy: summary and consensus statements: the 4th EAO Consensus Conference 20152015In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 26 Suppl 11, p. 64-7Article in journal (Refereed)
    Abstract [en]

    INTRODUCTION: The assignment for this working group was to update the existing knowledge regarding factors considered being of special relevance for the patient undergoing implant therapy. This included areas where conflicting opinions exists since long or recently has been expressed, like the role of antibiotic prophylaxis in dental implant surgery and peri-implantitis. Also areas with growing interest and concern such as patient-reported outcome measures (PROMs) and health-economy was included in this review.

    MATERIALS AND METHODS: The literature in the respective areas of interest (antibiotic prophylaxis, peri-implantitis, patient-reported outcome measurements and health-economic aspects) was searched using different strategies for the different papers. Search strategies ranged from a complex systematic review to systematic- and narrative reviews, depending on subject and available literature. All collected material was critically reviewed. Four manuscripts were subsequently presented for group analysis and discussion and plenum discussions and concensus approval. The selected areas were considered to be of key importance and relevance for the patient undergoing implant therapy.

    RESULTS: The results and conclusions of the review process are presented in the respective papers. The group's conclusions, identified knowledge gaps, directions for future research and concensus statements are presented in this article. The following reviews were available for group discussions and the foundation for subsequent plenary sessions: Lund B, Hultin M, Tranaeus S, Naimi-Akbar A, Klinge B. (2015) Perioperative antibiotics in conjunction with dental implant placement. A complex systematic review. Renvert S & Quirynen M. (2015) Risk indicators for peri-implantitis. A narrative review. De Bruyn H, Raes S, Matthys C, Cosyn J. (2015) The current use of patient centered/reported outcomes in implant dentistry. A systematic review. Beikler T & Flemmig T.F. (2015) Economic evaluation of implant-supported prostheses. A narrative review.

  • 39.
    Klinge, Björn
    et al.
    Karolinska Institutet, Huddinge & Malmö universitet.
    Meyle, J
    Justus Liebig University Giessen, Giessen, Germany.
    Claffey, Noel
    Flemmig, Thomas
    Flemming, Isidor
    Mombelli, Andrea
    Naert, Ignace
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Rocchietta, Isabella
    Schou, Soren
    Schwarz, Frank
    Teughels, Wim
    Valentini, Pascal
    Wennerberg, Ann
    Peri-implant tissue destruction: The Third EAO Consensus Conference 20122012In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 23, no Suppl 6, p. 108-110Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: The task of this working group was to update the existing knowledge base regarding the prevalence of peri-implant tissue destruction, the role of occlusal overload, and the outcome of non-surgical and surgical treatment.

    MATERIALS AND METHODS: The literature was systematically searched and critically reviewed. Four manuscripts were presented in key areas deemed to be essential for the current understanding of the magnitude of the clinical entity peri-implantitis. The role of overload as an etiological component was reviewed. Also available data on the results from non-surgical and surgical interventions for the control of tissue destruction were presented.

    RESULTS: The consensus statements following plenary session approval, clinical implications, and directions for future research based on the group discussions are presented in this article. The results and conclusions of the systematic review process are presented by the respective authors in the subsequent papers.

  • 40.
    Kröger, A
    et al.
    Tyskland & England.
    Hülsmann, C
    Tyskland.
    Fickl, S
    Tyskland.
    Spinell, T
    Tyskland & Italien.
    Hüttig, F
    Tyskland.
    Kaufmann, F
    Tyskland.
    Heimbach, A
    Tyskland.
    Hoffmann, P
    Tyskland .
    Enkling, N
    Tyskland.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Schwarz, F
    Tyskland.
    Demmer, Ryan T
    USA.
    Papapanou, P N
    USA.
    Jepsen, S
    Tyskland.
    Kebschull, M
    USA & Tyskland.
    The severity of human peri-implantitis lesions correlates with the level of submucosal microbial sysbiosis2018In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 45, no 12, p. 1498-1509Article in journal (Refereed)
    Abstract [en]

    AIM: To cross-sectionally analyze the submucosal microbiome of peri-implantitis (PI) lesions at different severity levels.

    MATERIALS AND METHODS: Microbial signatures of 45 submucosal plaque samples from untreated peri-implantitis lesions obtained from 30 non-smoking, systemically healthy subjects were assessed by 16s sequencing. Linear mixed models were used to identify taxa with differential abundance by probing depth, after correction for age, gender, and multiple samples per subject. Network analyses were performed to identify groups of taxa with mutual occurrence or exclusion. Subsequently, the effects of peri-implant probing depth on submucosal microbial dysbiosis was calculated using the microbial dysbiosis index.

    RESULTS: In total, we identified 337 different taxa in the submucosal microbiome of peri-implantitis. Total abundance of 12 taxa correlated significantly with increasing probing depth; a significant relationship with lower probing depth was found for 16 taxa. Network analysis identified two mutually exclusive complexes associated with shallow pockets and deeper pockets, respectively. Deeper peri-implant pockets were associated with significantly increased dysbiosis.

    CONCLUSION: Increases in peri-implant pocket depth are associated with substantial changes in the submucosal microbiome and increasing levels of dysbiosis. This article is protected by copyright. All rights reserved.

  • 41. Lang, Niklaus P
    et al.
    Berglundh, Tord
    Abrahamsson, Ingemar
    Claffey, Noel
    De Bruyn, Hugo
    Donos, Nikolaus
    Heitz-Mayfield, Lisa J.A.
    Klinge, Björn
    Mombelli, Andrea
    Palmer, Richard M.
    Quirynen, Marc
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Salvi, Giovanni E.
    Schwarz, Frank
    Sculean, Anton
    Vignoletti, Fabio
    Zitzmann, Nicola U.
    Periimplant diseases: where are we now?--Consensus of the Seventh European Workshop on Periodontology.2011In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 38, no Suppl 11, p. 178-81Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Peri-implant diseases present in two forms - peri-implant mucositis and peri-implantitis.

    MATERIALS AND METHODS: The literature was systematically searched and critically reviewed. Four manuscripts were produced in specific topics identified as key areas to understand the microbial aetiology and the pathogenesis of peri-implant diseases and how the implant surface structure may affect pathogenesis.

    RESULTS: While peri-implant mucositis represents the host response of the peri-implant tissues to the bacterial challenge that is not fundamentally different from gingivitis representing the host response to the bacterial challenge in the gingiva, peri-implantitis may differ from periodontitis both in the extent and the composition of cells in the lesion as well as the progression rate. A self-limiting process with a "protective" connective tissue capsule developing appears to dominate the periodontitis lesion while such a process may occasionally be lacking in peri-implantitis lesions. Bacterial biofilm formation on implant surfaces does not differ from that on tooth surfaces, but may be influenced by surface roughness. Nevertheless there is no evidence that such differences may influence the development of peri-implantitis.

    CONCLUSION: It was agreed that clinical and radiographic data should routinely be obtained after prosthesis installation on implants in order to establish a baseline for the diagnosis of peri-implantitis during maintenance of implant patients.

  • 42.
    Lauenstein, Marc
    et al.
    Department of Periodontology, University of Bern.
    Kaufmann, Marion
    Department of Periodontology, University of Bern.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Clinical and microbiological results following nonsurgical periodontal therapy with or without local administration of piperacillin/tazobactam2013In: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 17, no 7, p. 1645-1660Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: We assessed if adjunct administration of piperacillin/tazobactam added clinical and microbiological treatment benefits.

    MATERIALS AND METHODS: Thirty-six subjects (mean age 52.1 years (SD ± 10.3)) (NS by group) with chronic periodontitis were randomly enrolled receiving subgingival debridement and the local administration of piperacillin/tazobactam (test group) or debridement alone (control group). Bleeding on probing (BOP), probing pocket depth (PPD), and microbiological counts of 74 species were studied by checkerboard DNA-DNA hybridization up to month 6 after treatment.

    RESULTS: Mean PPD changes between baseline and month 6 in the test and control groups were 1.5 and 1.8 mm, respectively (NS between groups). BOP in both groups decreased from about 80 to 40 %. At 4 and 12 weeks, lower counts of the following bacteria were found in the test group (site level): Fusobacterium species, Parvimonas micra, Pseudomonas aeruginosa, Staphylococcus aureus, Tannerella forsythia, Treponema denticola, and a composite load of nine pathogens (p < 0.001). At week 26, subjects receiving local antibiotics had a lower prevalence at tested sites for Fusobacterium nucleatum sp. polymorphum, Fusobacterium periodonticum, P. micra, and T. denticola.

    CONCLUSIONS: At 26 weeks, treatment with or without piperacillin/tazobactam resulted in similar BOP and PPD improvements. At week 26 and at the subject level, the prevalence of 4/74 pathogens was found at lower counts in the group receiving local antibiotics.

    CLINICAL RELEVANCE: Administration of piperacillin/tazobactam reduces the prevalence of Fusobacterium, P. micra, and T. denticola to a greater extent than debridement alone but with no short-term differences in PPD or BOP.

  • 43.
    Mäntylä, Päivi
    et al.
    Institute of Dentistry, University of Helsinki.
    Buhlin, Kåre
    Institute of Dentistry, University of Helsinki.
    Paju, Susanna
    Institute of Dentistry, University of Helsinki.
    Persson, G. Rutger
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Nieminen, Markku S.
    Division of Cardiology, Department of Medicine, Helsinki University.
    Sinisalo, Juha
    Division of Cardiology, Department of Medicine, Helsinki University.
    Pussinen, Pirkko J.
    Institute of Dentistry, University of Helsinki.
    Subgingival Aggregatibacter actinomycetemcomitans associates with the risk of coronary artery disease2013In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 40, no 6, p. 583-590Article in journal (Refereed)
    Abstract [en]

    Aim We investigated the association between angiographically verified coronary artery disease (CAD) and subgingival Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia and Treponema denticola. Materials and Methods The cross-sectional study population (n = 445) comprised 171 (38.4%) patients with Stable CAD, 158 (35.5%) with acute coronary syndrome (ACS) and 116 (26.1%) with no significant CAD (No CAD). All patients participated in clinical and radiological oral health examinations. Pooled subgingival bacterial samples were analysed by checkerboard DNA–DNA hybridization assays. Results In all study groups, the presence of P. gingivalis, T. forsythia and T. denticola indicated a significant (p ≤ 0.001) linear association with the extent of alveolar bone loss (ABL), but A. actinomycetemcomitans did not (p = 0.074). With a threshold level of bacterial cells 1 × 105 A. actinomycetemcomitans was significantly more prevalent in the Stable CAD group (42.1%) compared to the No CAD group (30.2%) (p = 0.040). In a multi-adjusted logistic regression analysis using this threshold, A. actinomycetemcomitans positivity associated with Stable CAD (OR 1.83, 95% CI 1.00–3.35, p = 0.049), but its level or levels of other bacteria did not. Conclusions The presence of subgingival A. actinomycetemcomitans associates with an almost twofold risk of Stable CAD independently of alveolar bone loss.

  • 44.
    Mårtensson, Carina
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap.
    Söderfeldt, Björn
    Department of Oral Public Health, Faculty of Odontology, Malmö University.
    Axtelius, Björn
    Department of Oral Public Health, Faculty of Odontology, Malmö University.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet. Kristianstad University, Forskningsplattformen Hälsa i samverkan.
    Expectations and satisfaction with care for periodontal specialist patients2013In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 71, no 3-4, p. 799-806Article in journal (Refereed)
    Abstract [en]

    Objective. The aim of this study was to investigate expectations on and satisfaction with treatment among patients referred for comprehensive treatment to specialist clinics in periodontology and to explore factors associated with satisfaction in regression analysis.

    Materials and methods. Patients referred for comprehensive periodontal treatment were sampled for the study. The study was based on a questionnaire in a before-and-after design. The first questionnaire was sent to the patients before their first appointment at the specialist clinic. The second questionnaire was sent after  6 months. Three questions were used to measure expectations and four questions to measure satisfaction. The first questionnaire was sent to 273 patients with a response rate of 31% and the second questionnaire was sent to 85 patients with a response rate of 73%. In non-response analysis, no difference between respondents and non-respondents were detected as to age and gender.

    Results. Many of the patients viewed it as important or very important to have healthy teeth (98%) and improved well-being (93%) after periodontal treatment. More than 50% of the patients were satisfied with the relation to the caregiver. When measuring the satisfaction in general, 42% indicated the highest score on the summarized Dental Visit Satisfaction Scale. Having confidence (p ≤ 0.001) and a good relation (p = 0.001) to the caregiver indicated higher satisfaction.

    Conclusion. Having a good relation to the caregiver and having confidence in the caregiver seems to indicate satisfied patients receiving periodontal treatment at periodontal clinics.

  • 45.
    Mårtensson, Carina
    et al.
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap.
    Söderfeldt, C.
    Axtelius, B.
    Andersson, Pia
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet. Kristianstad University, Forskningsplattformen Hälsa i samverkan.
    Knowledge of periodontitis and self-perceived oral health: a survey of periodontal specialist patients2013In: Swedish Dental Journal, ISSN 0347-9994, Vol. 37, no 1, p. 49-58Article in journal (Refereed)
    Abstract [en]

    The aim of this study was to investigate changes in knowledge of periodontal disease among patients referred to periodontal specialist clinics. A further aim was to investigate the patients' self- perceived oral health before the treatment. Patients referred to five specialist clinics in periodontology for comprehensive periodontal treatment were consecutive sampled. The study was based on a questionnaire in a before and after design. The first questionnaire was sent to the patients before visiting the specialist clinic and the second was sent after six months. Four questions were analysed, two to measure knowledge about periodontitis and two to measure the patients self- perceived oral health. The first questionnaire was sent by post to 273 patients with a response rate of 31%. The second questionnaire was sent to 85 patients with a response rate of 73%. The results of the study showed a statistically significant improvement of correct answers on the knowledge questions after six months was found for scaling (p = 0.006), X-ray examination (p = 0.001) and increased space between the teeth (p = 0.001). The most frequent self-perceived trouble from the mouth was bleeding gum (70%) and sensitive teeth (51%). In conclusion knowledge of periodontitis improved after visiting the specialist clinic of periodontology. Many of the patients experienced some problems of the mouth.

  • 46.
    Nilsson, Helena
    et al.
    Halland Hospital, Halmstad.
    Berglund, Johan
    Blekinge Institute of Technology, Karlskrona.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Hälsovetenskap III. Kristianstad University, Forskningsmiljön Oral Hälsa - Allmänhälsa - Livskvalitet.
    Tooth loss and cognitive functions among older adults2014In: Acta Odontologica Scandinavica, ISSN 0001-6357, E-ISSN 1502-3850, Vol. 72, no 8, p. 639-644Article in journal (Refereed)
    Abstract [en]

    Objective: To evaluate the association between the number of teeth and cognitive functions adjusted for age and education level in a cohort of older adults living in Sweden.

    Materials and methods: The study employed a cross-sectional design in which 1147 individuals between 60-96 years underwent a clinical oral examination. The cognitive functions were assessed using Mini-Mental State Examination (MMSE) and Clock-test. The level of education was obtained from a questionnaire. Data were subjected to Chi-square tests and multivariate logistic regression analyses were employed, grouping the different variables into pre-determined categories.

    Results: The co-variables age and education were significantly associated with the number of teeth (p < 0.05). The multivariate logistic regression analysis revealed that the association between the number of teeth and the cognitive functions persisted even after adjusting for age and level of education.

    Conclusions: The findings suggest that the presence of teeth may be of importance for cognitive abilities in older adults.

  • 47.
    Nilsson, Helena
    et al.
    Specialisttandvården Region Halland .
    Berglund, Johan Sanmartin
    Blekinge Institute of Technology & Lund University.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa.
    Longitudinal evaluation of periodontitis and development of cognitive decline among older adults2018In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 45, no 10, p. 1142-1149Article in journal (Refereed)
    Abstract [en]

    AIM: to determine whether having periodontitis is associated with cognitive decline among older adults.

    MATERIAL AND METHODS: A prospective population study of older adults, Swedish National Study on Ageing and Care, (SNAC) provided repeated registrations of cognitive functions. Cognitive decline was defined as ≥ 3-points deterioration from a predetermined level at baseline, using the Mini-Mental State Examination (MMSE). Between 2001 and 2003, 715 individuals had a medical as well as a clinical and radiographic dental examination. The individuals were re-examined after 6 years. Periodontitis was defined as ≥ 4mm bone loss at ≥ 30% of tooth sites. Social variables were captured from questionnaires.

    RESULTS: The multivariate logistic regression analysis demonstrated a statistically significant association between prevalence of periodontitis and cognitive decline after adjustments of confounding factors of importance.

    CONCLUSIONS: A history of periodontitis may be of importance for cognitive functions among older adults. This article is protected by copyright. All rights reserved.

  • 48.
    Nilsson, Helena
    et al.
    Halland Hospital.
    Berglund, Johan Sanmartin
    Blekinge Institute of Technology & Lund University.
    Renvert, Stefan
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Periodontitis, tooth loss and cognitive functions among older adults2018In: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 22, no 5, p. 2103-2109Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: This study aims to evaluate the potential association between periodontitis, the number of teeth and cognitive functions in a cohort of older adults in Sweden.

    MATERIAL AND METHODS: In total, 775 individuals from 60 to 99 years of age were selected for the study. A clinical and radiographic examination was performed. The number of teeth and prevalence of periodontal pockets and bone loss was calculated and categorised. Cognitive functions were assessed using the Mini-Mental State Examination (MMSE) and clock test. The education level was obtained from a questionnaire. Data were analysed using chi-square tests and multivariate logistic regression.

    RESULTS: Age and gender were associated with the prevalence of bone loss. Age and education were associated with lower number of teeth. Gender was also associated with the presence of pockets. The multivariate logistic regression analysis demonstrated a statistically significant association between prevalence of bone loss, the number of teeth and the outcome on MMSE test. This association remained even after adjustment for age, education and gender. Tooth loss was also associated with lower outcome on clock test. Presence of periodontal pockets ≥ 5 mm was not associated with cognitive test outcome.

    CONCLUSIONS: A history of periodontitis and tooth loss may be of importance for cognitive functions among older adults.

    CLINICAL RELEVANCE: Diseases with and inflammatory profile may have an impact on cognitive decline.

  • 49.
    Nilsson, Helena
    et al.
    Halland hospital.
    Sanmartin Berglund, Johan
    Lunds universitet & Blekinge tekniska högskola.
    Renvert, Stefan
    Kristianstad University, Faculty of Health Science, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, Faculty of Health Science, Avdelningen för oral hälsa. Irland, Blekinge tekniska högskola, USA, Kina.
    Longitudinal evaluation of periodontitis and tooth loss among older adults2019In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 46, p. 1041-1049Article in journal (Refereed)
    Abstract [en]

    AIM: To evaluate pattern of change in periodontal variables and tooth loss in a twelve-year follow-up study of older adults living in Sweden.

    METHODS: In a prospective population study of older adults, a clinical examination and radiographic dental examination were performed at baseline (2001-2003) and after 12 years (2013-2015). In 375 individuals, the number and proportion of sites with a distance ≥4 mm and ≥5 mm from cemento-enamel junction to the bone level, the number and proportion of teeth with pockets ≥5 mm and number of teeth lost were calculated. Dental caries was registered. Periodontitis was defined as having ≥2 sites with ≥5 mm distance from cemento-enamel junction to the marginal bone level and ≥1 tooth with pockets ≥5 mm.

    RESULTS: A diagnosis of periodontitis was evident in 39% of the individuals, and 23% of the individuals lost ≥3 teeth over the study period. The proportion of sites with ≥4 mm and ≥5 mm bone loss increased with age, while the proportion of teeth with pockets remained stable. Periodontitis was the strongest predictor for losing ≥3 teeth, OR 2.9 (p < .001) in the final model.

    CONCLUSIONS: Periodontitis is a risk factor for future tooth loss among older adults.

  • 50.
    Olsson, Viktoria
    et al.
    Kristianstad University, School of Education and Environment, Avdelningen för Mat- och måltidsvetenskap. Kristianstad University, Research Environment Food and Meals in Everyday Life (MEAL).
    Larsson, Ewa
    Igelösa Life Science AB, Sweden.
    Wallin Bengtsson, Viveca
    Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL). Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap.
    Widén, Cecilia
    Kristianstad University, School of Health and Society, Avdelningen för Oral hälsa och folkhälsovetenskap. Kristianstad University, Research environment Oral Health - Public Health - Quality of Life (OHAL).
    Sensory acceptance of a diet designed to counteract obesity, diabetes and periodontaldisease2017Conference paper (Other academic)
    Abstract [en]

    A modified Nordic diet, developed by Igelösa Life Science AB, was tested in a clinical pilot study including ten individuals with type 2 diabetes during two weeks. The diet was based on locally produced, traditional ingredients such as intact grains, vegetables, legumes, root vegetables, fish, poultry, fruit and nuts. The intake of sugar, red meat and dairy products was restricted. One of the aims of the study was to study the sensory acceptance of the diet.

    The study was designed as a case-series. The diet was provided, ready-made and free of charge, to both the experimental subjects (N=10) and their partners (N=5). Two subjects were excluded due to heath implications, not related to the diet. The sensory acceptance was measured through questionnaire data and two focus groups (before and after the 2-week test period, 20 minutes each). Partners were invited to participate in the focus group interviews.

    Data from the questionnaire showed a high degree of liking for most meals. The result of the focus groups indicated the importance of the every-day meal as a social activity. They further expressed satisfaction with sensory properties and the perceived health benefits of the Igelösa diet but also some frustration regarding small portions, too little salt and somewhat unfamiliar ingredients.

    Sensory acceptance for diets nutritionally designed for weight reduction and/or maintenance is  a key factor. Despite the low number of participants, the pilot study indicate that the Igelösa diet is well accepted. An innovation of the study was that both the experimental subjects and their partners received the diet. The participants stated that this was supportive, facilitating adherence and promoting long-term impact on health. Habits, such as poor diet, can only be defeated by a concerted team effort and our work provide a glimpse of the potential benefits   of this shared approach.

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