A.眶下神經(jīng)阻滯麻醉 B.上頜神經(jīng)麻醉阻滯 C.鼻腭神經(jīng)阻滯麻醉 D.腭前神經(jīng)阻滯麻醉 E.全麻
A.出生后即刻 B.1~2個月 C.3~6個月 D.6~12個月 E.1~2歲