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楔状缺损是牙齿唇、颊面颈部硬组织发生缓慢消牦所致的缺损。其治疗方法颇多,但因所用充填材料性能各有缺陷,致疗效不甚理想。近来我们应用高级牙用羧聚陶瓷(Co—1粘固剂)充填楔状缺损牙356颗,收到较好效果。现报告如下。
Wedge-shaped defect is the tooth lip, buccal neck and neck tissue slowly disappear due to defects in yak. The treatment of a lot, but due to the use of filling materials have their own defects, resulting in less than ideal. Recently we applied advanced dental carborundum ceramic (Co-1 cement) filling wedge-shaped teeth 356, received good results. The report is as follows.