Objective To study the influence of BSSRO on mandible ramous and temporomandibular joint.

目的观察双侧下颌骨矢状劈开截骨术(BSSRO)后移下颌骨对下颌升支及颞下颌关节的影响。

To investigate the source of the metaplasia chondrocytes in the bilaminar zone following anterior disc displacement (ADD) of temporomandibular joint (TMJ).

探讨颞下颌关节盘前移位后双板区内化生软骨细胞的来源。