自凝窝沟封闭剂二年保留情况报告昆明医学院第一附属医院（６５００３２）张胜辉窝沟封闭是预防龋病重要的方法。作者选择６～８岁患儿，对其完全萌出无龋的第一恒磨牙进行窝沟封闭，现将二年复查情况报告如下：材料与方法１．病例选择：选择合适儿童共１２６例３６７颗牙... Self-pit and fissure sealant two years retention report First Affiliated Hospital of Kunming Medical College (650032) Zhang Shenghui Pit and fissure sealant is an important method to prevent dental caries. The authors choose children aged 6 to 8 years to completely emerald caries-free first permanent molars for pit and fissure sealant, now two years review the situation as follows: Materials and methods 1. Case Selection: Select the appropriate children a total of 36 cases 367 teeth ...