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性别与年龄:90例中男性75例,女性15例,男女患病比为5:1。年龄最小3岁,最大62岁,大多数为中青年。致伤原因:交通事故伤60例,占67％;劳动事故伤22例,占24％;日常生活事故伤8例,占9％。骨折部位:90例骨折中下颌骨骨折占绝大多数,计84例,占93％。上颌骨及上下颌胃联合骨折6例,占7％。在下颌骨骨折中,又以颏部正中骨折常见,有38例;其它依次为体部20例,下颌角部14例,髁状突4例,升支2例,髁状突合并正中骨折2例,体部合并正中骨折2例,体部合并角部1
Gender and age: Among 90 cases, there were 75 males and 15 females. The prevalence of males and females was 5: 1. Youngest 3 years old, maximum 62 years old, most of them young and middle-aged. Causes of injury: 60 cases of traffic accidents, accounting for 67%; 22 cases of work-related injuries, accounting for 24%; 8 cases of daily life accidents, accounting for 9%. Fracture site: 90 cases of fracture in the vast majority of mandibular fractures, accounting for 84 cases, accounting for 93%. Maxillary and upper and lower gastrointestinal fractures in 6 cases, accounting for 7%. Among the mandibular fractures, there were 38 cases of median chin fractures, the others were in 20 cases, mandibular angle in 14 cases, condyle in 4 cases, ascending branch in 2 cases, condylar process combined with median fracture 2 Cases, 2 cases of central consolidation fracture, body merger corner 1