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- Title
A cross-sectional study on the periodontal status and prevalence of red complex periodontal pathogens in a Japanese population.
- Authors
Otofumi Chigasaki; Yasuo Takeuchi; Akira Aoki; Yoshiyuki Sasaki; Koji Mizutani; Norio Aoyama; Yuichi Ikeda; Misa Gokyu; Makoto Umeda; Isao Ishikawa; Yuichi Izumi; Chigasaki, Otofumi; Takeuchi, Yasuo; Aoki, Akira; Sasaki, Yoshiyuki; Mizutani, Koji; Aoyama, Norio; Ikeda, Yuichi; Gokyu, Misa; Umeda, Makoto
- Abstract
This large-scale study cross-sectionally examined the periodontal status and prevalence of "red complex" bacteria (Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia) in Japanese adults. A total of 977 participants were enrolled in the study. Probing depth (PD), bleeding on probing (BOP), and bone crest level (BCL) were recorded, and the presence of red complex bacteria in the saliva was examined using polymerase chain reaction. The mean BCL value and the percentage of sites with a PD ≥4 mm or the presence of BOP were significantly higher in older participants. The detection rates of P. gingivalis, T. denticola, and T. forsythia were 46.3%, 76.4%, and 61.1%, respectively. The P. gingivalis detection rate significantly increased with age, while those of T. denticola and T. forsythia were comparably high for all age groups. A close correlation between P. gingivalis and the percentage of sites with PD ≥4 mm was indicated by nonlinear canonical correlation analysis. Current smokers exhibited a more advanced disease condition and a significantly higher P. gingivalis detection rate than non-smokers. In conclusion, periodontal condition worsens with age, and P. gingivalis appears to be the red complex bacterium most closely associated with periodontitis.
- Subjects
JAPAN; CROSS-sectional method; PERIODONTAL disease; EPIDEMIOLOGY; PORPHYROMONAS gingivalis; SALIVA analysis; SALIVA microbiology; AGE distribution; ASIANS; BACTERIA; CHRONIC diseases; DNA; PERIODONTICS; PERIODONTITIS; PERIODONTIUM; SMOKING; GRAM-negative anaerobic bacteria
- Publication
Journal of Oral Science, 2018, Vol 60, Issue 2, p293
- ISSN
1343-4934
- Publication type
journal article
- DOI
10.2334/josnusd.17-0223