牙齿磨耗是在没有龋坏和菌斑条件下，牙齿硬组织丧失。少量的、逐渐的牙齿磨耗是贯穿一生的生理过程，随着年龄的增长，磨耗程度亦愈加严重。重度磨耗可引起牙髓的病理变化并导致牙不协调。面容苍老，咀嚼功能降低及出现领颌关节紊乱综合症等，因此需要广泛的修复治疗。我科于1 Tooth wear is the loss of hard tissue in the absence of caries and plaque. Small amount, gradual tooth wear is a physiological process throughout life, with age, the degree of wear is also more serious. Severe wear can cause pathological changes in the pulp and lead to dental incompatibility. Old face, lower chewing function and the emergence of the jaw and joint disorders such as syndrome, so the need for a wide range of repair and treatment. My department at 1