31.有關成人恆門齒的敘述,下列何者正確?
(A)正中門齒唇(labial)面有4個發育葉(developmental lobe)
(B)正中門齒唇面有3個切緣結節(mamelon)
(C)側門齒舌面有3個發育葉(developmental lobe)
(D)側門齒唇面有3條發育切跡(developmental depression)
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統計: A(174), B(1757), C(59), D(43), E(0) #2181005
統計: A(174), B(1757), C(59), D(43), E(0) #2181005