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Microbiologic results after non-surgical erbium-doped yttrium, aluminum, and garnet laser or air-abrasive treatment of peri-implantitis
Kristianstad University, School of Health and Society. (Oral hälsa)ORCID iD: 0000-0002-3620-5978
Department of Periodontology, Public Dental Health Service, Kristianstad.
Kristianstad University, School of Health and Society. (Oral hälsa)
Kristianstad University, School of Health and Society. (Oral hälsa)ORCID iD: 0000-0003-0992-2362
2011 (English)In: Journal of Periodontology, ISSN 0022-3492, Vol. 82, no 9, 1267-1278 p.Article in journal (Refereed) Published
Abstract [en]

Background: The purpose of this study is to assess clinical and microbiologic effects of the non-surgical treatment of peri-implantitis lesions using either an erbium-doped: yttrium, aluminum, and garnet (Er:YAG) laser or an air-abrasive subgingival polishing method. Methods: In a 6-month clinical trial, 42 patients with peri-implantitis were treated at one time with an Er: YAG laser or an air-abrasive device. Routine clinical methods were used to monitor clinical conditions. Baseline and 6-month intraoral radiographs were assessed with a software program. The checkerboard DNA-DNA hybridization method was used to assess 74 bacterial species from the site with the deepest probing depth (PD) at the implant. Non-parametric tests were applied to microbiology data. Results: PD reductions (mean +/- SD) were 0.9 +/- 0.8 mm and 0.8 +/- 0.5 mm in the laser and air-abrasive groups, respectively (not significant). No baseline differences in bacterial counts between groups were found. In the air-abrasive group, Pseudomonas aeruginosa, Staphylococcus aureus, and Staphylococcus anaerobius were found at lower counts at 1 month after therapy (P<0.001) and with lower counts in the laser group for Fusobacterium nucleatum naviforme (P=0.002), and Fusobacterium nucleatum nucleatum (P=0.002). Both treatments failed to reduce bacterial counts at 6 months. Porphyromonas gingivalis counts were higher in cases with progressive peri-implantitis (P<0.001). Conclusions: At 1 month, P. aeruginosa, S. aureus, and S. anaerobius were reduced in the air-abrasive group, and Fusobacterium spp. were reduced in the laser group. Six-month data demonstrated that both methods failed to reduce bacterial counts. Clinical improvements were limited.

Place, publisher, year, edition, pages
2011. Vol. 82, no 9, 1267-1278 p.
Keyword [en]
Clinical trial, infection control, laser, microbiology, er-yag laser, titanium dental implants, dna-dna hybridization, drug, delivery-system, pseudomonas-aeruginosa, bacterial-colonization, staphylococcus-aureus, biofilm formation, oral implants, nd/yag laser
National Category
Dentistry
Identifiers
URN: urn:nbn:se:hkr:diva-8788DOI: 10.1902/jop.2011.100660ISI: 000295726000005PubMedID: 21417591OAI: oai:DiVA.org:hkr-8788DiVA: diva2:462349
Available from: 2011-12-07 Created: 2011-12-06 Last updated: 2014-09-18Bibliographically approved

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CiteExportLink to record
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