A.鼻腭神經(jīng)和腭前神經(jīng)
B.腭前神經(jīng)和上牙槽前神經(jīng)
C.鼻腭神經(jīng)和上牙槽前神經(jīng)
D.腭前神經(jīng)和眶下神經(jīng)
E.眶下神經(jīng)和上牙槽前神經(jīng)
A.翼外肌
B.翼內(nèi)肌
C.顳肌
D.咬肌
E.咽上縮肌
A.消除早接觸點(diǎn)
B.減少牙周組織所受的側(cè)向力
C.降低臨床牙冠長度
D.避免前牙因后牙推動而擁擠
E.減小深覆蓋程度