龋齿是口腔的常见病、多发病。临床的主要治疗方法有两种,一种是口腔内科充填法;另一种是口腔修复的固定修复。目前,临床上主要是采用汞合金充填。但在邻面龋,制备Ⅱ类洞型,用汞合金充填之后,常会出现食物嵌塞,充填物脱落,牙体纵折,导致充填物治疗失败。改用金属邻嵌体修复 Dental caries is a common oral disease, frequently-occurring disease. There are two main clinical treatment methods, one is the oral filling method; the other is a fixed restoration of oral repair. At present, the main clinical use of amalgam filling. However, in the adjacent caries, the preparation of type II hole type, filled with amalgam, food impaction often occurs, filling off, vertical tooth fold, resulting in the failure of filling treatment. Use metal neighbors  inlay repair