对大面积缺损牙全冠修复过程中，采用先牙体预备，再充填及少量修整后行全冠修复的方法，尽可能地保存了牙体组织。现报告如下。临床资料１９９７年２月～１９９８年８月来我科就诊的患者６１人，大面积缺损要求做全冠修复的患牙６５例。根管治疗、氧化锌暂封后，观察２周... In the process of crown restoration of large defect, the tooth tissue was preserved as much as possible by first tooth preparation, then filling and a small amount of trimming and crown restoration. The report is as follows. Clinical data from February 1997 to August 1998 to 61 patients in our clinic, a large area of ​​defects required to do full crown restoration of the teeth in 65 cases. Root canal treatment, zinc oxide temporary closure, the observation of 2 weeks ...