文档介绍：玻璃离子在半萌出恒磨牙窝沟封闭的应用研究
 
 
李永吉+梁筱璐+张英华
【摘要】 目的 评价玻璃离子在半萌出恒磨牙窝沟封闭的应用效果。方法 120例窝沟较深且无龋齿及非龋性牙体疾病儿童（240颗半萌出状态之下颌第一、二恒磨牙）， 随机分为A组（实验组）和
B组（空白对照组）， 各120颗牙。A组以玻璃离子材料进行窝沟封闭， B组为自身对侧同名牙， 不做任何处理。经6、12、24个月复查， 检查A组封闭材料保留及防龋保护情况， 并观察两组患龋发生情况。
结果 %， %， %。%， %， %；A组6、12、24个月患龋率均低于B组， 差异均有统计学意义（
χ2=、、， P
【关键词】 玻璃离子；半萌出；恒磨牙；窝沟封闭
DOI：.11-5547/
Study on glass ionomer cement applied for semi-erupted permanent molar pit and fissure sealing LI Yong-ji， LIANG You-lu， ZHANG Ying-hua. Department of Pediatric Dentistry， Dalian Stomatological Hospital， 116021， China
【Abstract】 Objective To evaluate the application effect of glass ionomer cement applied for semi-erupted permanent molar pit and fissure sealing. Methods A total of 120 120 children with deep pit and fissure without caries and non carious dental disease （240 semi-erupted jaw first， second permanent molars） were randomly divided into group A （experimental group） and group B （blank control group）， with 120 teeth in each group. Group A received glass ionomer cement for pit and fissure sealing， and group B received no treatment. After 6， 12， 24 months， sealing material retention and prevent caries in group A was checked， and the occurrence of dental caries in two
groups was observed. Results Group A had teeth