單項(xiàng)選擇題上覆全身最硬骨組織的為()

A.牙冠
B.牙根
C.牙頸
D.牙周膜
E.牙槽骨


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1.單項(xiàng)選擇題支配口底牙齦、黏膜的為()

A.頰神經(jīng)
B.下牙槽神經(jīng)
C.舌神經(jīng)
D.頦神經(jīng)
E.舌下神經(jīng)

2.單項(xiàng)選擇題支配下頜骨牙槽骨的為()

A.頰神經(jīng)
B.下牙槽神經(jīng)
C.舌神經(jīng)
D.頦神經(jīng)
E.舌下神經(jīng)

3.單項(xiàng)選擇題支配下頜磨牙頰側(cè)牙齦及頰部黏膜、皮膚的為()

A.頰神經(jīng)
B.下牙槽神經(jīng)
C.舌神經(jīng)
D.頦神經(jīng)
E.舌下神經(jīng)

4.單項(xiàng)選擇題支配下頜牙舌側(cè)牙齦、黏膜、骨膜的為()

A.頰神經(jīng)
B.下牙槽神經(jīng)
C.舌神經(jīng)
D.頦神經(jīng)
E.舌下神經(jīng)

5.單項(xiàng)選擇題支配下頜牙牙髓的為()

A.頰神經(jīng)
B.下牙槽神經(jīng)
C.舌神經(jīng)
D.頦神經(jīng)
E.舌下神經(jīng)