患兒,男性,13歲,打球時(shí)撞斷了,需拔除。
拔前需麻醉的神經(jīng)包括()
A.眶下神經(jīng)和鼻腭神經(jīng) B.上牙槽前神經(jīng)和腭前神經(jīng) C.蝶腭神經(jīng)和鼻腭神經(jīng) D.上牙槽前神經(jīng)和鼻腭神經(jīng) E.上牙槽前神經(jīng)和腭前神經(jīng)
A.1:10000~1:5000 B.1:20000~1:10000 C.1:200000~1:100000 D.1:300000~1:200000 E.1:400000~1:300000
拔前需麻醉的神經(jīng)包括()。