Results: The loosening of ceramic repair were the first reason; The second reason were abutment recurrent caries and then dummy breaking, gingivitis and periodontitis etc.

• 结果:烤瓷粘接桥使用一段时间后,松动、落占失败原因第一位;基牙继发龋病占第二位;其余为破裂、龈炎、观不满意等。