摘要
目的 探讨金 瓷修复体瓷裂或瓷崩的原因。方法 随机选择 16例前牙和前磨牙区因瓷裂或瓷崩而导致失败的病例 ,记录修复体损坏的部位 ,分析产生失败的原因。结果 瓷裂或瓷崩发生在切缘的病例数为 10例 (占 6 2 .5 % ) ,发生在连接体部位有 4例 (占 2 5 % ) ,发生在其他部位的有 2例 (占 12 .5 % )。结论 金 瓷修复体损坏与临床设计、牙体制备及技术室制作有密切的关系。
Objective To investigate the reasons of fracture or exfoliation of metal porcelain prosthesis. Methods 16 cases with fracture or exfoliation on the area of anterior teeth and premolar were selected, the damage's parts of prosthesis were recorded, and the causes of failure were analyzed. Results 10 cases(62.5%) on incisal margin, 4 cases(25%)on the connector and 2 cases(12.5%)on the other parts were found. Conclusion Damages of metal porcelain may be related to clinical design, preparation and manufacture in technique room.
出处
《口腔材料器械杂志》
2000年第2期75-77,共3页
Chinese Journal of Dental Materials and Devices
关键词
金-瓷修复体
瓷裂
瓷崩
metal porcelain prosthesis fracture exfoliation
