西安市7～9岁儿童第一恒磨牙窝沟封闭项目质量调查

Pit and fissure sealants on the first permanent molar among 7-to 9-years-old children in Xi'an city

目的了解西安市7~9岁儿童第一恒磨牙窝沟封闭项目开展的质量状况,为促进儿童口腔健康提供参考。方法采取整群随机抽样方法,对2011年4月—2015年11月西安市窝沟封闭项目检查督导的3 344名学生数据资料进行统计学分析。结果 2011年西安市第1次检查窝沟封闭剂涂膜保留率和完全率最低,分别为69.7%和56.9%,其后逐年呈增长趋势,2015年达到87.7%和81.3%。窝沟封闭完全率在三级医院、二级医院、一级医院、口腔诊所分别为81.0%,64.2%,76.8%和70.8%（Z=162.052,P〈0.01）;各区（县）完好率为55.4%~92.9%（χ2=410.07,P〈0.01）。第2次检查窝沟封闭完好率（85.7%）优于第1次检查的（72.9%）（Z=-48.71,P〈0.01）。结论西安市儿童窝沟封闭干预质量需要提高,应加强培训和分类指导,严格质量督导和医疗机构退出机制,促进项目质量进一步提升。

Objective To understand the quality of the pit and fissure sealants program for the first permanent molars among 7-to 9-years-old children in Xi＇an city. Methods The inspection supervision data of the program during Apr. 2011 to Nov.2015 was used to analyze. By using the random cluster sampling method, 3 344 students with pit and fissure sealants were randomly selected. The sealants retention were checked by medical professionals. Results Retention rate and intact retention rate of sealants were lowest in 2011, after which a growing trend was found. It was 87.7% and 81.3% respectively in 2015. There was significantly difference in the rates between the highest and lowest ranking hospitals（ tertiary hospital 81.0%, secondary hospital 64.2%, primary hospitals 76.8%, dental clinic 70.8%,P〈0.01）. Quality of pit and fissure sealants in the second round check was better than in the first round（ 85.7% v.s. 72.9%,P〈0.01）. Conclusion The retention rates of sealants still need to be improved in Xi＇an. To further improve project quality, training and classification guidance, quality supervision and management should be strengthened.