本文介绍利用连续桩冠及光敏复合树脂一次修复上前牙严重缺损,取得了满意的效果。具体方法如下: 一、连续桩冠制作 1.牙体预备:将连续缺损1/2～2/3以上的牙冠体平齐龈乳突顶处切除残冠。各根面预备成相同的唇侧舌侧两斜面。唇斜面呈凹斜面,边缘位于龈下0.5mm,舌斜面可略小,边缘稍高于龈缘。参考X线片,各根 This article describes the use of continuous pile crown and photosensitive composite resin to repair a serious defect on the anterior teeth and achieved satisfactory results. The specific methods are as follows: First, the continuous pile crown production 1. Tooth preparation: The continuous defect of more than 1/2 ~ 2/3 above the crowns crowns crowns removal of residual crown. Each root is prepared into the same lip side of the lingual two bevels. The lip bevel is concavely beveled, the margin is 0.5mm below the subgingival margin, the lingual bevel may be slightly smaller, and the margin slightly higher than the gingival margin. Reference X-ray film, each root