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茎突过长引起各种类型的面部疼痛有许多报道。正颌外科中,茎突过长致下颌后退困难的处理方法也有论述。但是,正颌外科术后茎突与下颌骨融合引起假性颞颌关节强直尚未见报道。作者临床遇到一例,现报道如下。某男,30岁,Ⅲ类错(牙合)畸形。经口内进路双侧髁突下垂直截骨,术中同时截除了左侧喙突。骨创未结扎,单行颌间固定。手术顺利。术后X线片显示左侧近中骨段向前下旋转,致髁突稍前移达关节结节处,右侧正常。颌间固定8周后拆除,患者出现张口困难。经被动张口锻炼,张口度小于12mm。几个月后仍未
There are many reports of various types of facial pain caused by a long styloid process. Orthognathic surgery, the process of treatment of overdosed long mandibular retrogressive difficulties are also discussed. However, the fusion of the styloid process and the mandible after orthognathic surgery has not been reported in the treatment of pseudo-temporomandibular joint ankylosis. The clinical encounter a case, are reported below. A male, 30 years old, Class III malocclusion. Oral approach under the bilateral condyles vertical osteotomy, surgery at the same time cut off the left coracoid process. Bone is not ligation, one-way intermaxillary fixation. The operation goes well. Postoperative X-ray showed the left near the mid-bone segment forward and downward rotation, causing the condyle slightly forward to the joint nodules, the right normal. Intermaxillary fixed after 8 weeks removed, patients with mouth opening difficulties. Pass the passive mouth opening exercise, mouth opening is less than 12mm. A few months later