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Chinese Journal of Dental Research
Chin J Dent Res 21 (2018), No. 3     15. Oct. 2018
Chin J Dent Res 21 (2018), No. 3  (15.10.2018)

Page 181-193, doi:10.3290/j.cjdr.a41080, PubMed:30255169

Permanent Teeth Caries Status of 12- to 15-year-olds in China: Findings from the 4th National Oral Health Survey
Quan, Jun Kang / Wang, Xiao Zhe / Sun, Xiang Yu / Yuan, Chao / Liu, Xue Nan / Wang, Xing / Feng, Xi Ping / Tai, Bao Jun / Hu, De Yu / Lin, Huan Cai / Wang, Bo / Si, Yan / Wang, Chun Xiao / Wang, Wei Jian / Rong, Wen Sheng / Zheng, Shu Guo
Objective: To investigate the dental caries status of teenagers in China by means of analysing national data from the 4th National Oral Health Survey of China.
Methods: Data for 12- to 15-year-olds participated in the 4th National Oral Health Survey of China were used for statistical analysis. Children who were recruited in the survey completed a dental examination and filled in a questionnaire. Social demographic factors, oral hygiene behaviours, sugar consumption habits, status of dental service utilisation, and pit-and-fissure sealant history were compared between adolescents with caries experiences and those without. For decayed, missing and filled permanent teeth (DMFT) and each of its components, mean values were statistically tested to see if significance existed between or among different categories of all involved variables.
Results: In total, data from 27,821, 30,961, 30,691 and 29,128 Chinese 12-, 13-, 14-, and 15-year-olds respectively, were analysed. Social demographic factors, sugar consumption and dental service utilisation showed statistical significance when compared between those with and without dental caries experience in the 12- and 15-year-old groups. Certain categories of these factors above also had important influence on the mean value of the number of decayed teeth (DT), filled teeth (FT) and DMFT, and they might be potential determinants of dental caries experience of permanent teeth for teenagers.
Conclusion: Dental caries in 12- and 15-year-old Chinese adolescents was impacted by certain social demographic and dental behavioural factors, which could provide some implications for policy makers and dental public health professionals when attempting to enhance oral health status for those teenagers in the early stages of permanent dentition.

Keywords: adolescents, dental caries, dental behaviour, social demographic factor, the 4th National Oral Health Survey