36 解剖性牙冠與牙根的分界,下列何者正確?
(A)牙本質牙釉質交界(dentinoenamel junction)
(B)牙本質牙骨質交界(cementodentinal junction)
(C)牙骨質牙釉質交界(cementoenamel junction)
(D)齒齦緣(gingival margin)

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統計: A(14), B(11), C(131), D(18), E(0) #1155970