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根据上海市、四川省防龋涂料协作组计划,1981年5月,我们对原上海市涂布光敏防龋涂料(点隙裂沟封闭剂,简称封闭剂)的观察对象进行5年临床复查。5年前共涂布上海市7～9岁小学生1,018人,2,036只第一恒磨牙,但其中部分失访,这次复查到的是即将毕业的原7岁组小学生282人,564只第一恒磨牙。为了避免年龄因素和每年复查人数变化的影响,本文仅对能连续追踪5年复查的7岁组小学生,进行1～5年临床效果的分析比较,初步探讨影响临床效果的有关因素,并提出我
According to the plan of Shanghai City and Sichuan Province Collapsible Coating Collaborative Group, in May 1981, we conducted a 5-year clinical review of the observed objects coated with photosensitive anti-caries coating (point-gap fissure sealant, abbreviated as blocking agent) in Shanghai. Five years ago, a total of 1,018 primary school students aged 7 to 9 and 2,036 first permanent molars were painted in Shanghai. However, part of them were lost to this review. Among them, 282 were graduating from the original 7-year-old primary school pupils and 564 first Permanent molars. In order to avoid the influence of the age factor and the change of the annual review number, this paper only analyzes and compares the clinical effect of the 7-year-old pupils who can continuously track the 5-year follow-up for 1-5 years to discuss the relevant factors that influence the clinical effect and put forward my