颞颌关节的骨折在临床上所见多为髁状突颈部骨折,而颞颌关节凹骨折很少见。我科收治1例,现介绍于下: 患者袁×,女性,19岁,学生。病案号190604。由正在行驶中的自行车后座上(侧坐)跌下倒地,下颌颏部撞于混凝土路面上。当时无昏迷,呕吐或外耳道出血等症状。入当地某医院发现颏部皮肤裂伤及下颌骨骨折,行清创缝合术及牙弓夹板颌间弹力牵引。因咬(牙合)错乱无改善自动离院,伤后12天来我院就诊,于1990年4月 Temporomandibular joint fractures clinically seen mostly condylar neck fractures, and temporomandibular joint concave fractures are rare. I treated 1 cases, are introduced in the next: patients ×, women, 19 years old, students. Case No. 190604. From the back of the bicycle being in motion (sitting sideways) fell to the ground, jaw chin hit the concrete pavement. At that time no coma, vomiting or external auditory canal bleeding and other symptoms. Into a local hospital found chin skin laceration and mandibular fractures, debridement and sutures intermaxillary elastic traction. Due to bite (occlusion) disorder without improvement automatically left hospital, 12 days after injury to our hospital, in April 1990