A.下牙槽神經(jīng)+舌神經(jīng) B.下牙槽神經(jīng) C.下牙槽神經(jīng)+頰長神經(jīng) D.下頜神經(jīng)+舌神經(jīng)+頰長神經(jīng) E.下牙槽神經(jīng)+舌神經(jīng)+頰長神經(jīng)
A.注射時不痛 B.注射所致的損傷很小 C.注射用藥量較大故止血效果好 D.麻醉效能強度高 E.麻醉作用時間長