摘要
目的 探讨简单桩核修复牙体折断烤瓷牙冠的方法及临床意义。方法 对 18颗患牙采用自制桩核使原烤瓷冠在已折断的牙根上继续使用 ,观察患者使用感觉及临床效果。结果 18颗患牙修复后随访 1～ 3年 ,83 3%患者 (15颗 )使用良好。另 3颗中 ,1颗因根管条件差 ,牙根折裂修复失败 ;1颗因修复体粘固剂调合不匀 ,导致咬合时受力不均匀修复失败 ;1颗因咬合过紧 ,修复体崩瓷而失败。结论 简单桩核修复牙体折断的烤瓷牙冠方法简便、成本低 ,适合基层医院临床应用。
Objective To explore a new method and its clinical significance of restorative ceramo-metal by using a self-made crown post-core to reutilize the broken crown.Methods 18 teeth were restored with ceramo-metal tooth by using self-made crown post-core in order to preserve the old broken base tooth. The patients′ own feelings and clinical effect were observed.Results Followed up for 1～3 years, 83.3% (15 teeth) of the patients were successful. Among the group one was failed because of bad condition of post and caused split of tooth root. The second failure was caused by uneven force by coherent paste uneven. The third failure was caused by tight biting force and caused the tooth broken.Conclusion Restoring ceramo-metal tooth by using self-made crown post-core in order to re-utilize the broken crown of the base tooth is convenient and low cost and is suitable for basic hospitals.
出处
《华西口腔医学杂志》
CAS
CSCD
北大核心
2004年第3期227-228,共2页
West China Journal of Stomatology
关键词
自制冠内桩核
冠折
基牙
self-made crown post-core
broken crown
base tooth
