髁状突颈部是下颌骨的薄弱部位，受到直接或间接撞击后易发生骨折，约占下颌骨骨折的２５％〔１〕。髁状突又是颞下颌关节的重要组成部分，其治疗的好坏直接影响面部的外形和功能。髁颈部骨折后，折断的髁状突受翼外肌的牵拉会向前、内移位，严重时从关节窝内脱出，保守治... Condylar neck is the weak parts of the mandible, subject to direct or indirect impact after fracture prone to fracture, accounting for about 25% of mandibular fractures [1]. Condyle is an important part of the temporomandibular joint, the quality of its treatment directly affects the shape and function of the face. After the condyle neck fracture, the fracture of the condyle can be pulled forward and inward by the pterygoid muscle, and can be prolapsed from the joint socket in severe cases.