摘要
目的:探讨二氧化锆全瓷冠的临床修复效果。方法:选择68例患者共88颗二氧化锆修复的全瓷单冠进行随访,参照美国公共健康协会修订的标准进行评估。结果:88颗二氧化锆全瓷冠在牙龈健康、颜色、继发龋、边缘适合性等方面表现优良,有5例6个二氧化锆瓷冠出现饰瓷的崩瓷或裂纹,1个牙因根折而拔除。结论:二氧化锆全瓷冠具有良好的临床修复效果,但饰瓷有折裂的风险。
Objective:To summarize the experience and clinical restoration effects of zirconia ceramic crowns. Method: 68 patients with 88 teeth treated with porcelain-veneered zireonia single crowns were included. The restorations and the supporting teeth were scrutinized according to the modified criteria of USPHS (United States Public Health Service). Result: The clinical outcome of the crowns was favourable. 6 veneer fracture were occurred in 5 patients, and one abutment tooth was extracted because of root fracture. Conclusion: The porcelain-veneered zirconia crowns showed good clinical re- suits, but veneer fracture could be occurred.
出处
《临床口腔医学杂志》
2012年第11期691-693,共3页
Journal of Clinical Stomatology