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牙冠的大块缺损,多见于前牙切缘、切角及经髓病治疗的无活力后牙。临床上除缺损超过1/2的后牙残冠须予拔除外,前牙多作金嵌体、3/4冠、金塑联合开面冠及桩冠等修复,后牙则可作冠修复。近年来我们对20例根部完好而冠部大块缺损的病牙进行支架式联合充填,经3个月至1年以上的随访,充填体稳固,恢复了牙体的外形和功能。一、临床资料:见表1、2。
Large crowns of the crown, more common in the anterior incision, cut angle and non-viable treatment of myelopathy after posterior teeth. Clinically, in addition to the defect of more than 1/2 of the posterior teeth residual crown to be removed, the anterior multi-as inlays, 3/4 crown, gold and plastic joint crown and crown restoration, the posterior teeth can be used for crown repair . In recent years, we have 20 cases of root defect intact and crown defects of the joint scaffold joint filling, after 3 months to more than 1 year follow-up, filling a solid recovery of the shape and function of the tooth. First, the clinical data: See Table 1,2.