3.Result Complications included crown mobility, ceramic fracture, chronic gingisitis and food impaction, gingival discoloration, carries and acute pulpitis, masticatory pain, tooth mobility.

• 结果：修复后出现的问题包括冠松动脱落、瓷崩、牙龈炎、食物嵌塞、牙龈变色、基牙继发龋、牙髓炎、咬合痛及基牙松动。