１３６个折裂牙全冠修复的疗效分析张桂云杨亚宁何平折裂牙的主要原因除与咬创伤、牙齿本身组织结构的缺陷有关外，与对严重牙体缺损采用充填治疗范围的扩大、以及在充填治疗中忽视抗力形和充填后不重视调所致等有关。本文分析了１９８１～１９９４年期间的１２９名患... 136 cases of fractures crown crown repair Zhang Guiyun Yang Yaning He Ping The main reason for the fracture in addition to the bite and traumatic injuries, the organizational structure of the teeth itself defects related to the expansion of the treatment of severe dental defects with filling the expansion, and in Filling treatment ignore the resistance-shaped and filling does not attach importance to transfer due to the transfer and so on. This article analyzes 129 patients from 1981 to 1994 with ...