2010年北京市朝阳区12岁儿童口腔健康状况调查

An oral health survey among 12-year-old children in Chaoyang district of Beijing in 2010

目的了解北京市朝阳区12岁年龄组恒牙龋病及牙周健康状况,为朝阳区口腔卫生保健工作提供信息和依据。方法采用分层等容随机抽样的方法,抽取朝阳区12岁常住人口360人,男女各半,检查恒牙牙冠龋和牙周情况。结果 12岁组恒牙患龋率为28.61%,女生患龋率高于男生,差异有统计学意义。龋齿充填率为46.20%,龋均为0.48;第一恒磨牙窝沟封闭率为45.56%;牙龈出血检出率11.94%,牙石检出率15.56%。结论朝阳区12岁年龄组患龋处于较低的流行水平,第一恒磨牙窝沟封闭率较第三次全国流调全国水平明显上升,下颌第一恒磨牙患龋率显著下降。

Objective To investigate the dental health status of 12-year-old children in Chaoyang district.Methods An equal-sized stratified randomly design was applied to obtain a representative sample group,including 360 12-year-old subjects with equal number of boys and girls resided in Chaoyang district.The caries in the crowns of permanent teeth and the status of gingival bleeding were assessed.The collected data were statistically analyzed.Results The rate of caries was 28.61%,with mean DMFT being 0.48.The caries prevalence rate of girls was significantly higher than that of boys（P〈0.01）.The rate of pit and fissure sealant of the first permanent molars was 45.56%.The gingival bleeding and dental calculus detection rate were 11.94% and 15.56% respectively.Conclusion DMFT of 12-year-old children in Chaoyang district remained at a low level.The rate of caries of the first permanent mandibular molars was decreased significantly.