徐州市1523名小学生龋齿流行病学调查

Epidemiological investigation on dental caries of 1523 primary school students in Xuzhou City

目的为了解徐州市小学生龋齿的患病情况,为小学生开展口腔卫生保健提供参考。方法采用分层整群随机抽样的方法,参照世界卫生组织关于龋病的调查标准对徐州市1 523名小学生进行口腔健康调查,其中男性790名,女性733名。采用SPSS16.0数据软件统计分析。结果受检小学生龋齿患病率为50.43%,充填率为8.78%,龋均为1.72,其中乳牙的龋均为1.47,恒牙的龋均为0.26。7岁为乳牙患病的高峰期,随着年龄的增长恒牙患病率有逐渐上升的趋势,男生和女生患龋率分别为48.73%和52.25%,差异无统计学意义(P>0.05)。结论徐州市小学生口腔健康状况不容乐观,应加强口腔健康教育,积极制定儿童口腔疾病防治策略,降低龋患率,提高充填率。

Objective To understand the caries prevalence of 7 to 10 year old primary school students in Xuzbou City so as to provide the evidence for the establishment of oral health care policies for primary school students. Methods Totally 1 523 primary school students which included 790 males and 733 fenaales were selected by the stratified duster randomly sampling method and investigated according to the standard of investigation of dental caries of WHO. The results were analyzed by SPSS 16.0. Results The caries prevalence was 50.43 % among these students with an average caries number of 1.72, and the filling rate of dental caries was 8.78%. The mean of DMFT （milk teeth） was 1.47 and the mean of DMFT （permanent teeth） was 0.26. The highest dental caries prevalence （milk teeth） was among 7 year old children, when the children grew up, the permanent caries prevalence increased. The caries prevalence of boys was 48.73% and that of girls was 52. 25 % , therewasnostatisticallysignificantdifferenee（P〉0.05）. Conclusions Itcan not be optimistic about the caries prevalence among these children. We should pay more attention to oral cavity health of children. Some measures should be taken to lower the caries and impmye the filling percentage.