Methods 38 teeth of 31 subjects with crown fracture were treated by reattachment with the enamel-dentin adhesive and the resin composite when intact incisal edge segments were presented.

• 方法对外伤冠折断片保留完整的38颗恒前牙冠折患者,运用牙釉质-牙本质粘结剂和光固化复合树脂使自体断冠复位再接,进行3年的临床回顾性观察。