论文部分内容阅读
经过牙髓治疗的或晚期龋的牙齿比活髓牙质脆,易裂,同时,由于这组牙位于牙列后部,根况复杂,而且去除龋坏组织后,牙体组织残缺,即使牙髓治疗成功,牙冠也不易修复,如要作为桥基牙预备则更为困难,作者从1984年开始,对这类患牙试行冠钉固位修复。本文总结62例,并选择其中6例作为修复牙列缺损的基牙载有固定义齿的试验,经1～4年的随访观察,效果满意,现报告如下:
After endodontic treatment or advanced caries than living teeth pulp brittle teeth, easy to crack, at the same time, because this group of teeth in the back of the dentition, the root complex, and removal of carious tissue, the tooth tissue is incomplete, even if the teeth Successful treatment of the pulp, the crown is not easy to repair, as the bridge abutment preparation is even more difficult, the author from 1984 onwards, such teeth trial crown nail retention repair. This article summarizes 62 cases, and select 6 of them as the repair of dentition defect abutment with fixed denture test, after 1 to 4 years of follow-up observation, the results are satisfactory, are as follows: