成人上前牙烤瓷的美容修复

Aesthetic repair of adult upper anterior teeth by metal-porcelain crown

目的 探讨采用烤瓷熔附金属全冠修复上前牙错袷的方法及美容效果。方法 采用烤瓷熔附金属全冠、桩核冠或桥体，对78例（164颗）上前牙错殆畸形患者在短时间内完成修复治疗。用制作的烤瓷牙冠修复前牙，调整颜色、形态，使其与邻近的前牙排齐，达到美容效果。结果所有患者获随访1～6年，其中2例（2颗）出现崩瓷，1例（1颗）为桩核冠脱落，1例（2颗）为单冠脱落，2例（2颗）根折；72例患者的前牙烤瓷冠无崩瓷、松动及脱落，其颜色自然，形态美观，功能正常。结论采用烤瓷熔附金属全冠修复成人上前牙错殆治疗的方法，具有修复时间短，形态逼真，改善美观，恢复咀嚼功能的良好效果，适合在基层医院推广应用。

Objective To explore the method and aesthetic outcome of the metal-porcelain crown for the repair of adult upper anterior teeth. Methods Totally 78 patients （164 teeth） with malocclusion were treated by porcelain fused to metal crown, core crown and pontic which cost a short time. After the porcelain crowns placed, their color and profile of the repaired upper anterior teeth were adjusted according to the adjacent ones to reach the aesthetic outcome. Results After 1 to 6 years follow-up, 72 cases got satisfactory results with na- ture color, nice contour and normal function without crown craze or loosen, except for 2 cases （2 teeth） with crowns crack, 1 case （1 tooth） with porcelain-fused prosthesis fallen off, 1 case （2 teeth ） with single crown fallen off and 2 cases （2 teeth） with root fracture. Conclusion It is an easy and effective method of metal- porcelain crown for the repair of adult upper anterior teeth of malocclusion with such advantages as short operat- ing time, nice postoperative contour and normal masticatory function, h worth spreading in clinic.