患者,女,76岁,退休工人。约20年前逐渐缺失上下后牙,曾于1980年、1987年各作义齿一付,其间上局义齿2次折断。1992年初因上局再次折断,(?)松动Ⅲ°而来我院就诊。经拔除(?)、(?)全冠修复后,于同年6月重作上局,7月戴牙后复查约9次,据病例记载,多次为左侧咬合痛而要求修理,但始终感觉不适,于9月开始出现右侧关节区痛(咀嚼及咀 Patient, female, 76 years old, retired worker. About 20 years ago, the upper and lower posterior teeth were gradually missing. In 1980 and 1987, each denture was paid separately. During this period, the upper denture was broken twice. In early 1992 due to the break again on the board, (?) Loosen Ⅲ ° to our hospital. After the removal (?), (?) Crown restoration, in June the same year to re-make the game, wearing a tooth in July review about 9 times, according to the case records, many times for the left bite pain and repair, but always Feeling unwell, in September began to appear right joint pain (chewing and Tsui