上下颌骨骨折发生相当频繁,可由车祸、战伤、殴斗、摔跌等原因造成,它的发生率在口腔科门诊急诊工作中占有相当大的比例。上下颌骨是面部结构的主要支架,上下颌骨骨折及其复位效果,直接影响面部外形与咀嚼功能。因此,正确处理上下颌骨骨折是非常重要的问题。本人在处理此类骨折时,对其中一些环节进行了探讨,有一些体会,能对临床工作有一定价值。上下颌骨骨折复位的焦点,首先是恢复正常的咬(牙合)关系。通常咬(牙合)关系一旦正常,面部外形的不对称 The occurrence of maxillary and mandibular fractures is quite frequent and can be caused by car accidents, war injuries, fights, falls and other causes, and its incidence accounts for a considerable proportion of the emergency department of dental clinics. The maxilla and mandible are the main scaffolds of the facial structure. The maxilla and mandible fractures and their resetting effects directly affect facial contour and masticatory function. Therefore, the correct treatment of maxillary and mandibular fractures is a very important issue. I deal with such fractures, some of them were discussed, some experience, clinical work can have some value. The focus of the mandibular fracture reduction, the first is to restore normal bite (occlusion) relationship. Normally bite (occlusion) relationship as soon as normal, the facial appearance of asymmetry