上海市789名5岁儿童乳牙患龋状况观察

目的评价1995-2005年上海市儿童乳牙患龋10年变化情况，为政府制订相关政策提供依据。方法采用多阶段、分层、等容量、整群抽样方法，按照2005年第三次全国口腔健康流行病学调查方案和技术要求，对上海市789名5岁儿童的乳牙患龋率、龋均和龋失补构成比进行调查，并与1995年儿童的乳牙患龋情况进行比较。结果2005年上海市5岁儿童的乳牙患龋率、龋均、龋齿充填构成比分别是71.74%、4.17、7.70%，与1995年相比分别下降了6.54%、0.59、1.12%，其差异有统计学意义（P<0.01）。结论上海市5岁儿童乳牙患龋率和龋均呈现下降趋势，儿童口腔健康状况有了明显改善，但是乳牙龋齿充填构成比的下降，提示对儿童口腔卫生防治服务应引起足够的重视。

The dental caries prevalence of primary teeth in 789 five-year-old children in Shanghai

OBJECTIVE: The aim of this study was to observe the change of the prevalence of five-year-old children's dental caries for 10 years in Shanghai and to establish a related policy to provide a basis for the government. METHODS: The sampling method was multi-stage, stratified, adqulis capacity and whole flock in this study. The method of third national survey for oral health was used. The data of prevalence of dental caries, dmft and relative component were collected and were compared with the data of the second survey in 1995. RESULTS: The prevalence of dental caries, dmft, caries filling constitutent ratio of 5-year-old children in 2005 was 71.74%, 4.17, 7.70%, respectively, and denscend 6.54%, 0.59, 1.12% compare with the data in 1995. There was significant difference between them (P<0.01). CONCLUSION: The results showed the descend trend of prevalence of dental caries in 5-year-old children in Shanghai and the oral health condition had an obvious improvement. However, caries filling constitutent ratio was decreases. Therefore, it is very important to strengthen the public oral health care service for children.