光固化复合体Dyract是90年代新型牙体修复材料，以其粘结性强，色泽美观，对牙髓刺激小及操作方便等优点而广泛应用于牙齿美容修复。我们从1996年初开始应用这种材料修复各类牙体缺损，取得了满意的效果，现报告如下。1材料与方法患者88例，男35例，女53例，年龄最小12岁，最大 Light-cured composite Dyract is a new type of dental restoration material in the 90's. It is widely used in dental cosmetic restoration due to its strong adhesiveness, beautiful color, small stimulation on the pulp and convenient operation. We have been using this material since early 1996 to repair various types of dental defects and have achieved satisfactory results. The report is as follows. 1 Materials and Methods 88 patients, 35 males and 53 females, the youngest 12 years old, the largest