玻璃离子用于窝沟封闭的临床疗效观察

目的观察采用Ketac-Molar玻璃离子用于窝沟封闭剂预防窝沟龋的临床效果。方法随机选136名6～7岁儿童,对每个儿童选取左侧或右侧上下两个已完全萌出的第一磨牙共272只牙,使用Ketac-Molar玻璃离子进行窝沟封闭,作为观察组;同时选取其对侧同名牙作空白对照,作为对照组。分别于封闭术后1、2、3年复查封闭剂保留情况,对比观察组和对照组的患龋情况。结果随诊3年发现Ketac-Molar玻璃离子在术后1、2、3年的完整保留率分别为81.3%,73.2%和58.1%,术后1、2、3年观察组龋病发生率明显低于对照组。结论玻璃离子窝沟封闭剂能有效地预防窝沟龋的发生,值得在小学生中推广应用。

Clinical Effect of Glass Ionomers Used as Pit and Fissure Sealant

Objective To observe the clinical effect of Ketac-Molar glass ionomers used as pit and fissure Sealant in the prevention of fissure caries with fissure sealing.Methods 136 children from 6 to 7 years old were involved into this study. 272 completely erupted first permanent molars from upper and nether side were selected as experimental group,and were given fissure sealing with Ketac-Molar glass ionomers. And the corresponding tooth of each one in the experimental group was selected as control group. Reservations of pit and fissure sealant were observed after 1,2 and 3 years of the fissure sealing,respectively. Results In the follow-up of 1 year,2 years and 3years,Ketac-Molar glass ionomers were found to be reserved as 81.3%,73.2% and 58.1% of the initial,respectively,and the occurrence of dental caries decreased to be lower of the initial ,respectively . Conclusion Ketac-Molar glass ionomers can be well used as pit and fissure sealant prevent caries .