下颌骨位于面下份 ,是面部最大占面积最广 ,位置最突出的骨骼。随着现代交通工具的发展 ,交通事故频繁发生 ,加之运动性创伤及下颌骨做为面下 1 3区域 ,极易受到意外打击致伤 ,占颜面骨折病例的近 2 3 〔1〕,在相关领域的位置显得愈来愈重要 ,其发生特点与处理手段与人体其它 The lower jaw is located under the face, is the largest facial area accounted for the most extensive, most prominent position of the bones. With the development of modern transportation, frequent traffic accidents, combined with sports injuries and mandibular area as a sub-surface area of ​​13, vulnerable to accidental injury, accounting for nearly 23 cases of facial fracture [1], related to The position of the field is more and more important, its characteristics and means of dealing with the rest of the human body