上海市12岁儿童患龋状况调查分析

目的 了解上海市12岁儿童恒牙患龋状况,为龋病预防提供科学依据。方法 采取随机抽样方法 按照WHO口腔调查基本方法 中的龋病诊断标准对全市19个区县2 519名12岁学生进行口腔检查。结果 2 519名12岁儿童的患龋率和龋均分别为36.64%和0.61。其中97.14%的龋齿发生于窝沟。男女患龋率之间有显著性差异。显著性龋均指数为1.77,龋齿充填率为24.58%,窝沟封闭率为0.52。结论 上海12岁儿童龋患呈两极化分布,龋齿主要发生于第一恒磨牙的牙合面窝沟。

Investigation of dental caries among 12-year-old children in Shanghai

Objective To study the caries prevalence of permanent teeth among 12-year-old children in Shanghai and provide foundation for the prevention of dental caries.Methods According to the basic methods of oral caries diagnosis criteria of WHO,oral status of 2519 children aged 12 in 19 districts of Shanghai was examined.Results The prevalence of dental caries and mean DMFT of the 2519 subjects were 36.64% and 0.61,respectively.The prevalence of female was higher than that of male.There was significant difference between them.The significant caries index of children among 12-year-old in Shanghai was 1.77.Filling rate of dental caries was 24.58% and the rate of pit and fissure sealant was 0.52%.Conclusions The dental caries of 12-year-old children in Shanghai showed polarized distribution.The dental caries concentrated in the firstmolar.It′s important to strengthen health care for high-risk population with susceptible teeth to prevent the incidence of dental caries.