LeFortⅢ型骨折是高位骨折或称______________，骨折线经过______________，____________，____________________，______________向后下止于上颌骨翼突缝。
窒息按原因来分可分为_________和___________。
劳神过度主要伤及()房劳过度主要伤及() ["肝脾","肺脾","心脾","心肾","肾"]
恐伤()忧伤() ["心","肝","脾","肺","肾"]
颌骨骨折治疗原则是尽早进行________________和________________，恢复正常__________________。
牙折可分为__________________、______________________及冠根联合折。
