复合树脂用于修复牙体缺损,由于色泽协调逼真,美观,省时。已经成为目前比较理想的牙科修复材料,越来越受到广大口腔医生和患者的好评。但随着材料的广泛应用,失败病例也不断增加。近年来相关失败报道中,主要多为:适应症的选择、牙体预备、以及技术方面等原因而导致的修复体脱 Composite resin for the restoration of dental defects, due to the color coordination of lifelike, beautiful, time-saving. Has become the ideal dental restoration materials, more and more by the majority of dentists and patients. However, with the wide application of materials, failure cases are also increasing. In recent years, reports of related failures mainly include: the choice of indications, dental preparation, and technical aspects of the resulting body repair