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窝沟封闭术用于龋病预防已有多年,并获得良好防龋效果。我科在1987年对小学低年级学生200名进行了光固窝沟封闭术,对照组200名不作任何治疗,因转学和其它因素实际人数2年追踪复查结果如下: 对象与方法 1.选择7、8岁小学生,治疗组132名,对照组130名,共计262名。牙齿选择无龋第一恒磨牙有深裂沟者及可疑龋。 2.窝海的检查标准:沟窝外形清楚,沟纹明显而深者,即除P型外。沟底釉质透明度差,有淡褐色素沉积,但无扩散或墨浸状者。沟窝深,探针有牵拉感,使之不滑动,不松软者。
Pit and fissure occlusion for caries prevention has been for many years, and get good anti-caries effect. Our department in 1987 to the lower primary school students 200 light fixed pit and fissure sealant, control group 200 without any treatment, due to transfer and other factors the actual number of 2 years follow-up review results are as follows: Objects and methods 1. Select 7 , 8-year-old pupils, treatment group 132, control group of 130, a total of 262. Choice of dental caries First permanent molars with deep cleft and suspicious caries. 2. Wo sea inspection standards: Groove shape is clear, clear and deep grooves, that is, in addition to P-type. Ditch bottom enamel transparency is poor, a pale brown pigment deposition, but no proliferation or ink-immersed persons. Groove deep, the probe has a sense of pulling, so that does not slide, not soft.