北京市儿童第一恒磨牙窝沟封闭防龋效果分析.docVIP

北京市儿童第一恒磨牙窝沟封闭防龋效果分析 　　首都医科大学附属北京口腔医院预防科，北京 100050 　　[摘要] 目的 探讨北京市2005年以来开展窝沟封闭预防龋齿项目的临床效果。 方法 2011年8月～2012年8月，从北京市接受窝沟封闭复查的儿童中分层随机抽样，共抽取3353人，复查9984颗第一恒磨牙，其中封闭组7282颗，未封闭组2702颗。检查第一恒磨牙合面窝沟封闭剂保留情况及脱落后患龋状况，对所得的数据进行SPSS 13.0统计学分析。 结果 窝沟封闭1年后的封闭剂保留率为87.5%，只有4.1%完全脱落；窝沟封闭5年后封闭剂保留率为34.7%。窝沟封闭组患龋率为1.9%，未封闭组为5.2%，两组患龋率经统计学检验，差异有高度统计学意义（P 0.01）。封闭组患龋率显著低于未封闭组。 结论 窝沟封闭防龋效果显著。同时，窝沟封闭必须严格管理，提高窝沟封闭剂保留率，以保证防龋效果。 　　[关键词] 第一恒磨牙；窝沟封闭；龋齿；预防 　　[中图分类号] R788.1 [文献标识码] A [文章编号] 1673-7210（2014）03（b）-0116-05 　　Analysis of the caries-preventive effects of pit and fissure sealant for children first permanent molars in Beijing City 　　ZHAO Mei CHEN Wei HAN Yongcheng HUANG Birong ZHANG Hui 　　Department of Preventive Dentistry， Beijing Stomatological Hospital， Capital Medical University， Beijing 100050， China 　　[Abstract] Objective To evaluate the caries-preventive effect of the pit and fissure sealant program for children in Beijing from 2005. Methods 3353 children accepted pit and fissure sealant reexamination were selected with stratified random sampling method from August 2011 to August 2012. 9984 first permanent molars were examined including 7282 teeth sealed and 2702 teeth unsealed. The caries prevalence and sealant retention on the occlusal surfaces were detected and the data was analyzed by SPSS 13.0 statistical software. Results The 1-year retention rate of sealant was 87.5%. 4.1% was complete missing. The 5-year retention rate was only 34.7%. After 5 years， the caries prevalence of the sealed group （1.9%） was significantly lower than that of the unsealed group （5.2%） （P 0.01）. Conclusion Pit and fissure sealing is an effective way for preventing dental caries. In addition， strict management should be taken in order to improve the sealant retention rate and enhance anti-caries effect. 　　[Key words] First permanent molar； Pit and fissure sealant； Dental caries； Prevention 　　儿童青少年是龋病高发人群，也是口腔疾病防治的重点人群。第一恒磨牙是儿童龋病最好发的牙齿，为了有效控制儿童患龋水平，北京市政府自2005年开始在全市范围内为7～9岁适龄儿童进行免费窝沟封闭预防恒磨牙