牙周-正畸-牙体联合治疗1例预后无望上前牙患者的长期疗效观察

李熠1, 徐莉2,△, 周彦恒3, 欧阳翔英2, 曹甜4

初诊时全口根尖片 Right upper incisor had extruded for 1-2 mm and the alveolar bone was horizontally absorbed to the apexin periapical radiograph. The alveolar bone of right lateral incisor was horizontally absorbed to 1/2 of the root length. The alveolar bone of four first molars and right mandibular second premolar was vertically absorbed to 1/3 to the apex.