A.面神經(jīng)顴支,面神經(jīng)上頰支,腮腺導(dǎo)管,面神經(jīng)下頰支
B.面神經(jīng)顴支,面神經(jīng)上頰支,腮腺導(dǎo)管,面神經(jīng)下頰支,下頜緣支
C.面動脈,面橫動脈,面神經(jīng)顴支,腮腺導(dǎo)管
D.面橫動脈,面神經(jīng)顴支,面神經(jīng)上頰支,腮腺導(dǎo)管,面神經(jīng)下頰支,面神經(jīng)下頜緣支
E.面神經(jīng)顴支,面橫動脈,面神經(jīng)上頰支,腮腺導(dǎo)管,面神經(jīng)下頰支
A.下頜下緣下7mm
B.下頜下緣下10mm
C.下頜下緣下12mm
D.下頜下緣下15mm
E.緊貼下頜下緣處
A.100°~110°
B.110°~125°
C.125°~140°
D.145°~160°
E.160°~175°