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Tannerella forsythia and Pseudomonas aeruginosa in subgingival bacterial samples from parous women.
University of Bern, Bern, Switzerland & University of Washington, Seattle, WA, USA.ORCID iD: 0000-0002-3620-5978
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2008 (English)In: Journal of Periodontology, ISSN 0022-3492, Vol. 79, no 3, 508-516 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Information on the subgingival microbiota in parous women is limited. The present study assessed 74 bacterial species at periodontal sites.

METHODS: Subgingival bacterial plaque was collected from women > or =6 months after delivery. Bacteria were assessed by the checkerboard DNA-DNA hybridization method. Gingivitis was defined as > or =20% of sites with bleeding on probing (BOP), and periodontitis was defined as radiographic evidence of bone loss and probing depths > or =5.0 mm.

RESULTS: A total of 197 women (mean age: 29.4 +/- 6.8 years; range: 18 to 46 years) were included in the study. Gingivitis was identified in 82 of 138 subjects without evidence of periodontitis (59.4%). Periodontitis was found in 59 women (32%). Higher bacterial levels in subjects with gingivitis compared to those without evidence of gingivitis were observed for Actinomyces neuii, Bifidobacterium bifidum, Corynebacterium pseudogenitalis, Porphyromonas endodontalis, Prevotella bivia, and Pseudomonas aeruginosa (P <0.001 for each). Higher bacterial levels in subjects with periodontitis compared to those without periodontitis (BOP not accounted for) were found for 32 of 79 species (P <0.001) including Lactobacillus iners, Haemophilus influenzae, Porphyromonas gingivalis, Tannerella forsythia (previously T. forsythensis), Prevotella bivia, P. aeruginosa, and Staphylococcus aureus. Binary univariate logistic regression analysis identified that P. aeruginosa (P <0.001) and T. forsythia (P <0.05) were independently predictive of periodontal status. The odds ratio of having P. aeruginosa at levels > or =1 x 10(5) in the sample and periodontitis was 3.1 (95% confidence interval: 1.6 to 5.9; P <0.001).

CONCLUSION: In addition to P. gingivalis and T. forsythia, a diverse microbiota, including P. aeruginosa, P. endodontalis, P. bivia, and S. aureus, can be found in subgingival plaque samples from women of child-bearing age with periodontitis.

Place, publisher, year, edition, pages
2008. Vol. 79, no 3, 508-516 p.
National Category
Dentistry
Identifiers
URN: urn:nbn:se:hkr:diva-12278DOI: 10.1902/jop.2008.070350ISI: 000253923700016PubMedID: 18315434OAI: oai:DiVA.org:hkr-12278DiVA: diva2:729938
Available from: 2014-06-26 Created: 2014-06-26 Last updated: 2014-09-18Bibliographically approved

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