22.下列何者不是mineral trioxide aggregate(MTA)的主要成分?
(A)Bismuth oxide
(B)Calcium silicate
(C)Calcium phosphate
(D)Calcium aluminate
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統計: A(94), B(15), C(146), D(43), E(0) #1035033
統計: A(94), B(15), C(146), D(43), E(0) #1035033