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Clinical and microbiological analysis of subjects treated with Brånemark or AstraTech implants: a 7-year follow-up study
Högskolan Kristianstad, Institutionen för hälsovetenskaper.ORCID-id: 0000-0003-0992-2362
Högskolan Kristianstad, Institutionen för hälsovetenskaper.
Högskolan Kristianstad, Institutionen för hälsovetenskaper.
Department of Periodontology and Fixed Prosthodontics, Division of Oral Microbiology, University of Bern.ORCID-id: 0000-0002-3620-5978
2008 (Engelska)Ingår i: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 19, nr 4, s. 342-7Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

AIMS: To assess the impact of different implant systems on the clinical conditions and the microbiota at implants, and whether the presence of bacteria at tooth sites was predictive of the presence at implant sites. MATERIALS AND METHODS: Subjects with either AstraTech or Brånemark in function for 7 years were enrolled. Sub-gingival bacterial samples at tooth and implant sites were collected with sterile endodontic paper points, and analyzed by the checkerboard DNA-DNA hybridization method (40 species). RESULTS: Fifty-four subjects, 27 supplied with AstraTech (n=132 implants) and 27 with Brånemark (n=102) implants, were studied. Test tooth sites had significantly less evidence of bleeding on probing (P<0.001) and presence of plaque (P<0.001) than implant test sites. Implant sites presented with deeper probing pocket depth than tooth sites (mean difference: 1.1 mm, standard error of differences: 0.08, 95% confidence intervals (CI): 0.9-1.3, P<0.001). Tannerella forsythia (P<0.05), Capnocytophaga sputigena (P<0.05), Actinomyces israelii (P<0.05) and Lactobacillus acidophilus (P<0.05) were found at higher levels at tooth surfaces. No differences in bacterial load for any species were found between the two implant systems. The odds of being present/absent at tooth and implants sites were only significant for Staphylococcus aureus [odds ratio (OR): 5.2 : 1, 95% CI: 1.4-18.9, P<0.01]. CONCLUSIONS: After 7 years in function, implants presented with deeper probing depths than teeth. S. aureus was commonly present at both teeth and implants sites. S. aureus at tooth sites was predictive of also being present at implant sites.

Ort, förlag, år, upplaga, sidor
2008. Vol. 19, nr 4, s. 342-7
Nyckelord [en]
Implant treatment, microbiology, probing depth, staphylococci, surfaces
Nationell ämneskategori
Odontologi
Identifikatorer
URN: urn:nbn:se:hkr:diva-39DOI: 10.1111/j.1600-0501.2007.01476.xISI: 000253757900003PubMedID: 18261121OAI: oai:DiVA.org:hkr-39DiVA, id: diva2:132621
Tillgänglig från: 2008-12-22 Skapad: 2008-12-22 Senast uppdaterad: 2017-12-14Bibliografiskt granskad

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Renvert, StefanLindahl, ChristelPersson, G. Rutger

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