21.下列何種X光片攝影,上頜竇可能部分會被顳骨岩脊(petrous ridge)遮住而判讀不易?
(A)Waters view
(B)Caldwell view
(C)skull lateral view
(D)submental view
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統計: A(21), B(110), C(77), D(24), E(0) #1740462
統計: A(21), B(110), C(77), D(24), E(0) #1740462