自 1997-1999年 ,开展烤瓷冠桥修复工作 ,先后为 2 0 6例患者 ,针对深覆牙合上颌前突牙体缺损及后牙冠过短进行修复 ,因其生物相容性好 ,并具有与牙釉质相近似的半透明效果 ,深受患者欢迎 ,现介绍如下。1　临床资料　　门诊病例 2 0 6例 ,其中桥体 63例 ,残根残冠 73例 ,后牙冠 Since 1997-1999, to carry out the restoration of porcelain-crown bridge, has 206 cases of patients, for deep overbite occlusion maxillary protrusion of the denture defect and posterior crowns to repair, because of its good biocompatibility, And similar to the enamel and translucent effect, welcomed by patients, are described below. 1 Clinical data Outpatient cases 206 cases, of which 63 cases of bridge, residual root residual crown 73 cases, the crown