52.下列何種材料不適用於強調美觀的瓷鑲面製作？
(A)milled leucite-reinforced ceramic
(B)polycrystalline ceramics
(C)feldspathic porcelain
(D)pressed lithium disilicate-reinforced ceramic

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統計： A(6), B(7), C(2), D(2), E(0) #3974291