行牙

方法：31例（34颗）上颌埋伏牙患者进行螺旋CT检查，分别行牙体轴位、冠状位和矢状位MPR重组。

Methods : Thin slice helical CT scanning was undergone in 31 cases with buried teeth .

方法：采用Bio-oss骨胶原对4例患者共6侧上颌窦行植骨提升术中，同期行牙种植术。

Method : In 4 patients with 6 Maxillary Sini , bone collagen ( Bio-Oss ) were used as bone grafting materials in the sinus lift with simultaneous or delayed implant placement .

三种方法行牙颈部龋治疗的临床观察

Comparison on effects of three therapy methods of cervix dentis caries

方法：3例外伤、3例根面龋的患者采用片段弓技术行牙合向牵引，然后桩冠修复。

Method : 3 cases of trauma , 3 cases of root caries were extruded by the forced eruption and then restored with porcelain fuse metal .

方法先用螺纹钉和银汞合金形成桩核，再行烤瓷牙修复。

Methods used to screw and formasilver amalgam core , re-dental restoration .

方法：在狗下颌牙P2&P4区建立急性牙周缺损模型，放置BACM于缺损区域，行引导牙周组织再生术。

Methods : To establish surgically created acute periodontal defect mode in the P2 & P4 area of mongrel dogs .

方法选择隐裂、根折或根分叉病变患者，对欲保留牙根进行根管治疗后，行半牙切除术。

Methods Hemisections were performed on reserved canals of incomplete tooth fracture , complete root fracture and furcation involvement after root canal therapy .