66.附圖根尖X光片中,白色箭頭所指為何種構造?
(A)mental foramen
(B)lingual foramen
(C)incisive foramen
(D)mental fossa
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統計: A(40), B(741), C(176), D(49), E(0) #3134893
統計: A(40), B(741), C(176), D(49), E(0) #3134893