下颌骨多发性骨折()牙槽骨骨折()颧骨颧弓骨折()儿童期上下颌骨骨折() ["A．手术切开复位固定","B．颌间牵引复位固定","C．两者均有","D．两者均无"]
只有外感而无内生的邪气是() ["寒邪","湿邪","燥邪","暑邪","火邪"]
下颌骨多发性骨折适用()简单的移位不明显的下颌骨骨折()牙槽骨骨折() ["A．颌间牙弓夹板固定","B．单颌牙弓夹板固定","C．两者均有","D．两者均无"]
LeFortI型骨折()LeFortⅡ型骨折()颧骨颧弓骨折()下颌骨骨折() ["A．骨折线经过鼻骨、泪骨，最后达上颌骨翼突缝","B．可有咬合关系错乱","C．两者均有","D．两者均无"]
由于口腔颌面部血运循环丰富，当外伤时()由于口腔颌面部腔窦多;当外伤时()由于上下颌骨上有牙，当外伤时()由于口腔是消化道的入口呼吸道的上端，当外伤时() ["A．对治疗不利","B．对治疗有利","C．两者均有","D．两者均无"]
牙槽突骨折可有()下颌骨骨折可有()上颌骨骨折可有()牙外伤脱位可有()
