5.下列何者不是硬組織屏障(hard tissue barrier)的組成成分?
(A)牙周組織(periodontium)
(B)不規則層狀排列凝結軟組織(coagulated soft tissue)
(C)鈣化組織(calcified tissue)
(D)類牙骨質組織(cementum-like tissue)
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統計: A(27), B(38), C(3), D(2), E(0) #2374330
統計: A(27), B(38), C(3), D(2), E(0) #2374330