| Investigation and quantification of key periodontal pathogens in patients with type 2 diabetes. | |
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MedLine Citation:
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PMID: 22220967 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Field CA, Gidley MD, Preshaw PM, Jakubovics N. Investigation and quantification of key periodontal pathogens in patients with type 2 diabetes. J Periodont Res 2012; doi: 10.1111/j.1600-0765.2011.01455.x. © 2012 John Wiley & Sons A/S Background and Objective: Diabetes is a recognized risk factor for periodontitis. There are conflicting data regarding whether healthy diabetic patients or diabetic patients with chronic periodontitis have an altered subgingival microbiota compared with nondiabetic individuals. The aim of the present study was to detect quantitative differences in selected periodontopathogens in the subgingival plaque of diabetic patients using TaqMan quantitative PCR. Material and Methods: Type 2 diabetes mellitus patients with (n = 9) or without chronic periodontal disease (n = 15) were recruited and matched to nondiabetic control subjects (n = 12 periodontally healthy, n = 12 chronic periodontitis). Subgingival plaque samples were collected from deep (> 4 mm probing depth) and shallow sites (≤ 3 mm probing depth) using paper points, and Aggregatibacter actinomycetemcomitans, Fusobacterium nucleatum and Porphyromonas gingivalis were quantified. Results: Forty-eight subjects (69 samples) were recruited. Marked differences were seen in the levels of all three bacterial species, relative to the total bacterial population, according to periodontal health status. Using real-time quantitative PCR, bacterial counts for P. gingivalis were significantly higher in deep pockets of diabetic and nondiabetic subjects compared with periodontally healthy subjects (p < 0.05) but did not differ significantly between diabetics and nondiabetics. A. actinomycetemcomitans was detected in all groups in low quantities, and counts did not differ significantly between groups (p > 0.05). F. nucleatum was abundant in all groups, with no clear significant differences between groups. P. gingivalis was found in higher quantities in periodontitis than in periodontally healthy subjects (p < 0.05). Statistically significant positive correlations were identified between pocket depth and counts for all three species tested (p < 0.05). Conclusion: A. actinomycetemcomitans, F. nucleatum and P. gingivalis were present in significantly different quantities and proportions in subgingival plaque, according to periodontal disease status. No significant differences were identified between the subgingival microbiota of type 2 diabetes mellitus patients compared with nondiabetic subjects. |
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Authors:
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C A Field; M D Gidley; P M Preshaw; N Jakubovics |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-3 |
Journal Detail:
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Title: Journal of periodontal research Volume: - ISSN: 1600-0765 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0055107 Medline TA: J Periodontal Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 John Wiley & Sons A/S. |
Affiliation:
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School of Dental Sciences, Newcastle University, Newcastle, UK School of Clinical Dentistry, University of Sheffield, Sheffield, UK Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK. |
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