应用无缝冠锤造３／４冠修复前牙缺失１０７例杨耀宗１张奎新１李宁辉１张红英１庞文丽１韩又安２李敏２３／４冠是临床中常用的一种部分金属冠，为覆盖于牙冠三个轴面与牙面（切面）的金属修复体，它既可用于单个牙的缺失修复，也可作为固定义齿的固位体。近年来，我科应... Application of seamless crown hammer making 3/4 crown repair 107 cases of anterior teeth missing Yang Yaozong 1 Zhang Kuixin 1 Li Ninghui 1 Zhang Hongying 1 Pang Wenli 1 Han Youan 2 Li Min 23/4 Crown is a common clinical part of the metal crown, covering the teeth Crown of the three axial and dental (cut) metal restoration, which can be used for a single missing tooth repair, but also as a fixed denture retainer. In recent years, my department should ...