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目的:评估不同干预模式对嘉定区12岁儿童恒牙龋病发生和充填情况的影响。方法:将3所中学691名12岁儿童随机分为3组,充填干预组:连续3年免费充填中浅度恒牙龋齿;健康教育组:连续3年进行口腔健康教育;对照组连续3年进行口腔检查。采用SPSS 20.0软件包对数据进行χ2检验。结果:基线时3组的恒牙患龋率分别为32.10%、35.56%和36.84%,恒牙龋齿充填率分别为17.07%、16.24%和17.04%;1年后3组的恒牙患龋率分别为35.92%、42.26%和44.50%,差异无显著性(P>0.05),恒牙龋齿充填率分别为93.28%、61.41%和16.67%,差异显著(P<0.05);3年后3组的恒牙患龋率分别为37.04%、48.12%和58.85%;恒牙龋齿充填率分别为93.66%、61.51%和17.28%,差异均有显著性(P<0.05)。结论:充填干预和健康教育干预均能显著降低12岁儿童恒牙患龋率,提高恒牙龋齿充填率,并且充填干预比健康教育效果更加明显。
Objective: To evaluate the effect of different intervention modes on the incidence and filling of permanent dental caries in 12-year-old children in Jiading District. Methods: 691 12-year-old children in 3 middle schools were randomly divided into three groups. The intervention group was filled with moderate-to-moderate permanent tooth caries for three consecutive years. The health education group received oral health education for three consecutive years. Oral examination. Data was subjected to χ2 test using SPSS 20.0 software package. Results: The caries prevalence of permanent teeth in the three groups at baseline was 32.10%, 35.56% and 36.84%, respectively. The filling rate of permanent teeth was 17.07%, 16.24% and 17.04% respectively. After 1 year, the caries prevalence of permanent teeth (P> 0.05). The filling rate of dental caries was 93.28%, 61.41% and 16.67% respectively (P <0.05). After 3 years, the rates of dental caries filling in three groups were 35.92%, 42.26% and 44.50% The tooth caries rates of permanent teeth were 37.04%, 48.12% and 58.85%, respectively. The tooth filling rates of permanent teeth were 93.66%, 61.51% and 17.28%, respectively (P <0.05). Conclusion: Filling intervention and health education intervention can both significantly reduce the caries prevalence of permanent teeth in 12-year-old children and increase the filling rate of permanent teeth dental caries, and filling intervention is more obvious than that of health education.