A.下頜孔 B.下頜神經(jīng)溝 C.下頜舌骨溝 D.下頜隆突 E.下頜小舌
A.顴神經(jīng) B.腦膜中神經(jīng) C.蝶腭神經(jīng) D.腭神經(jīng) E.上牙槽后神經(jīng)
A.145°~160° B.145°~165° C.145°~155° D.140°~160° E.140°~155°