Medthods: CDIC one-stage implants were used for missing anterior teeth.Belle-glass or metal porcelain crowns were restorated within one-week operation.

• 方法：CDIC锥状螺旋和叶状种植体植入前牙缺失区，术后一周内完成釉质瓷或烤瓷牙冠修复。