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Chinese Journal of Dental Research
Chin J Dent Res 21 (2018), No. 4     15. Oct. 2018
Chin J Dent Res 21 (2018), No. 4  (15.10.2018)

Page 241-247, doi:10.3290/j.cjdr.a41082, PubMed:30264040

The Prevalence and Associated Factors of Periodontal Disease among 35 to 44-year-old Chinese Adults in the 4th National Oral Health Survey
Sun, Hao Yun / Jiang, Han / Du, Min Quan / Wang, Xing / Feng, Xi Ping / Hu, De Yu / Lin, Huan Cai / Wang, Bo / Si, Yan / Wang, Chun Xiao / Zheng, Shu Guo / Liu, Xue Nan / Rong, Wen Sheng / Wan, Wei Jian / Tai, Bao Jun
Objective: To assess the current periodontal status of 35 to 44-year-olds from the Chinese population and to analyse potential influence factors on periodontal disease.
Methods: The data of subjects were collected from both urban and rural areas of all 31 provinces, autonomous regions and municipalities of the mainland of China, as part of the 4th National Oral Health Survey. All subjects were aged 35 to 44 years old. In total, 4,410 subjects were enrolled in the present study. Each subject was asked to undergo a professional oral examination and to fill in a questionnaire. Periodontal health status was evaluated by probe bleeding, calculus, periodontal pocket depth and clinical attachment loss. The data were analysed using the chi-square test and binary logistic regression analysis.
Results: The prevalence of probe bleeding and calculus was 87.4% and 96.7% respectively among the 35 to 44-year-old population. Prevalence of shallow pockets (4 mm ≤ PD < 6 mm) and deep pockets (PD ≥ 6 mm) was 45.8% and 6.9% respectively among 35 to 44-year-old people. In addition, prevalence of clinical attachment loss (CAL > 3 mm) was 33.2%. Gender, educational level, smoking, teeth brushing frequency, dental floss and toothpick use were found relevant to periodontal condition.
Conclusion: Periodontal disease was highly prevalent among 35 to 44-year-old Chinese adults. Gender, educational level, smoking, teeth brushing frequency, toothpick and dental floss use could be potential influence factors of periodontal health status.

Keywords: associated factors, periodontal disease, prevalence, 35 to 44-year-old