颜面部骨折大都是由于直接撞击性损伤所引起，其中以鼻骨骨折，颧骨骨折，上、下颌骨骨折，颞颌关节脱位较为常见。由于面骨的结构比较复杂，摄影时又会相互重迭，所以对颜面部骨折的Ｘ线检查处理，要求良好的投照技术及恰当位置的Ｘ线片，以便重点显示观察的部分。经过近... Facial and facial fractures are mostly caused by direct impact injury, of which nasal bone fractures, zygomatic fractures, upper and lower jaw fractures, temporomandibular joint dislocation are more common. Due to the complex structure of the facial bone, photography will overlap each other, so the facial fracture X-ray examination requires good projection technology and the appropriate location of the X-ray film in order to highlight the observation of the part. After nearly ...