金瓷冠桥失败原因分析

华西口腔医学杂志

金瓷冠桥失败原因分析

翟丽云,赵玉珍,王少萍,杨月华

天津市口腔医院　修复科,天津300041

收稿日期:2005-06-25 修回日期:2005-06-25 出版日期:2005-06-20 发布日期:2005-06-20
通讯作者: 翟丽云,Tel:022-89988080
作者简介:翟丽云(1964-),女,天津人,副主任医师,学士

Analysis of the Unsuccessful Cases of the Porcelain-fused-to-metal-crowns and Bridges

ZHAI li-yun,ZHAO Yu-zhen, WANG Shao-ping,YANG Yue-hua

Dept.ofProsthodontics,Tianjin OralHospital,Tianjin300041,China

Received:2005-06-25 Revised:2005-06-25 Online:2005-06-20 Published:2005-06-20

摘要/Abstract

摘要： 目的　探讨金瓷冠桥失败的原因及预防方法。方法　对1994~2001年在天津市口腔医院修复科行金瓷全冠、核桩金瓷全冠、金瓷固定桥修复的70例患者的80件修复体的失败原因进行分析。结果　80件修复体的失败原因中,崩瓷68个,核桩松动或脱落20个,食物嵌塞3个、颜色不协调6个、基牙折断3个、牙龈变色2个。结论　临床上应避免干扰、早接触、牙体预备不当、瓷层厚度不均匀、根管预备长度和直径不足、食物嵌塞、咬硬物等, 从而预防金瓷冠桥修复失败。

关键词: 金瓷全冠, 核桩, 失败原因

Abstract:

Objective　To discuss the unsuccessful reasons and the preventive methods of the unsuccessful clinic cases.Meth- ods　The retrospective analysiswas carried on the 80 prosthesis in 70 patients from 1994 to 2001 whichwere sufferedwith unsuc- cessful results after the restoration of the metal crowns and bridges.Results　Therewere 68 teethwhich had collapsed or broken. 20 teeth had the post loosing or shedding. Root breaking, food impaction, unharmony colors of porcelain and the changing color of gingival were 3,3,6 and 2 teeth.Conclusion　It is necessary to select suitable repairing materials and operate correctly for pre- venting the occurring of the unsuccessful results in the porcelain-fused-to-metal-corwns and bridges.

Key words: porcelain-fused-to-metal-corwns and bridges, post, reason of fail

翟丽云,赵玉珍,王少萍,杨月华. 金瓷冠桥失败原因分析[J]. 华西口腔医学杂志.

ZHAI li-yun,ZHAO Yu-zhen, WANG Shao-ping,YANG Yue-hua. Analysis of the Unsuccessful Cases of the Porcelain-fused-to-metal-crowns and Bridges[J]. West China Journal of Stomatology.

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