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

目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节影响。

With a location near to the mountain and watets,it features profound historical and cultural city rhythm,romantic developing history and become a ramous histroical and cultural city.

其依山傍水购乐学地理环境，悠久购乐学历史文化底，般购乐学城市发展史，成为了中国著名购乐学历史文化名城。