30.在成熟牙本質(mature dentin)中,牙本質小管(dentinal tubule)內的細胞突通常達到之位置為下列何者?
(A)牙本質牙釉質交界(dentinoenamel junction)
(B)牙本質外1/3(outer third of dentin)
(C)牙本質中1/3(middle third of dentin)
(D)牙本質內1/3(inner third of dentin)
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統計: A(334), B(82), C(43), D(351), E(0) #1633736
統計: A(334), B(82), C(43), D(351), E(0) #1633736