临床牙冠大面积缺失无法直接充填修复,而其牙根与牙周组织情况良好者,经根管治疗后,桩冠修复是一种较为常用的方法。桩冠是一种利用金属桩或者纤维桩插入根管内获得固位的全冠修复体,具有固位力好、形态色泽美观、舒适、语音恢复较好、坚固耐用、制作简便等特点,是一种较为理想 Large area of ​​clinical crown can not be filled directly to repair, and its root and periodontal tissue in good condition, after root canal treatment, crown restoration is a more commonly used method. Crown is a use of metal piles or fiber posts inserted into the root canal to obtain retention of the crown restoration, with good retention, good shape and color, comfort, voice recovery is good, durable, easy to manufacture and so on, is A more ideal