珠海市12、18岁学生龋病调查分析

Survey on Dental Caries of 12 and 18-year-old Students

目的调查珠海市12、18岁年龄组学生的恒牙患龋状况,监测其龋病发展趋势,为制订口腔保健目标与规划提供信息支持。方法采用分层、不等比、多阶段和整群抽样方法,抽取珠海市12、18岁城乡学生各660人,男女各半。按照《第三次全国口腔健康流行病学调查方案》中的龋病调查标准进行检查并与1995年流行病学调查结果比较。结果珠海市12岁年龄组城乡学生患龋率、龋均、龋齿充填率分别为69.09%、2.23、11.5%和75%、2.31、10.43%;18岁年龄组城乡学生患龋率、龋均、龋齿充填率分别为77.27%、4.18、25.92%和78.18%、3.31、24.31%。患龋程度及龋齿充填率男女性别无显著差异(P>0.05)。结论珠海市12、18岁学生的龋病流行呈下降趋势,龋齿充填率处于较低水平。

Objective To investigate the status of caries of permanent teeth among the 12 and 18 age groups in Zhuhai City. To monitor the development trend of their caries and to provide information basis for stipulating oral health objectives and plans. Methods Using the stratified- disproportional - multiple - phase - cluster sampling survey, 660 students in urban and rural areas aged 12 and 18 were sampled, with half boys and half girls respectively. The status of caries was assessed according to the guideline for the Epidemic Survey Scheme of 3^rd National Oral Health. Results In Zhuhai City the incidence of dental caries in 12 age group was 69.09% and 7.5 %, the DMFT was 2.23 and 2.31 and the filling percentage rate was 11.5% and 10.43% for urban and rural students respectively. The incidence of dental caries in 18 age group was 77.27%, and 78.18%, the DMFT was 4.18, and 3.31, and the filling percentage rate was 2.5.92% and 24.31% for urban and rural students respectively. There were no significant differences in the degrees of caries and the filling rate between boys and girls （P〉0.05）. Conclusions The prevalence of caries among the 12 - and 18 - year- old students in Zhuhai City has a downward trend and the caries filling rate is at low level.