泰州市7～9岁儿童第一恒磨牙龋病流行病学调查分析

目的:调查分析泰州市7～9岁儿童第一恒磨牙患龋情况,为泰州市儿童口腔病防治工作提供科学依据.方法:按WHO龋齿调查标准,采用多阶段随机整群抽样,从全市158所小学随机抽取20所学校7～9岁儿童3653名,进行第一恒磨牙的龋病流行病学调查.采用SPSS20.0软件包对数据进行统计学分析.结果:第一恒磨牙总患龋率为24.99％,龋均为0.49,龋齿充填率为3.62％.儿童患龋率从7岁的15.37％增长到9岁的39.67％.女生患龋率为27.61％,男生患龋率为21.84％,男女患龋率有显著差异(P＜0.05).下颌牙患龋率高于上颌牙.结论:泰州市7～9岁儿童第一恒磨牙患龋率高,建议对适龄儿童第一恒磨牙进行窝沟封闭,早期防龋,降低龋病发生率.

An epidemiological investigation of caries status of the first permanent molars of children aged 7-9 year in Taizhou City

PURPOSE:To investigate caries prevalence of the first permanent molars of children aged 7-9 years in Taizhou city.METHODS:According to caries diagnostic criteria of WHO,3653 primary school students in downtown areas of Taizhou city were surveyed;the data were statistically analyzed with SPSS 20.0 software package.RESULTS:The total caries prevalence rate of the first permanent molars was 24.99％.The average decayed-missing-filled (DMFT) teeth were 0.49.The total filling rate was 3.62％.The caries prevalence of the first permanent molars in 7-,8-and 9 year-old children was 15.37％,20.38％ and 39.67％,respectively.The caries prevalence of girls was 27.61％,which was significantly higher than boys (21.84％).The caries prevalence (％) rate of the first permanent molars in the mandible was significantly higher than that in the maxilla.CONCLUSIONS:Caries prevalence of the first permanent molars is high in children aged 7-9 years in Taizhou city.Caries prevention and treatment measures should be strengthened for children in order to reduce the incidence of dental caries.