43.關於汞齊(amalgam)性質的敍述,下列何者錯誤?
(A)汞齊的熱膨脹線性係數(linear coefficient of thermal expansion)是牙齒的2.5倍
(B)高銅汞齊的抗壓強度(compressive strength)與牙齒接近
(C)高銅汞齊的抗張強度(tensile strength)比牙齒高
(D)汞齊填補至少要有 1.5 至 2.0 mm 厚度
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統計: A(263), B(278), C(662), D(37), E(0) #2866861
統計: A(263), B(278), C(662), D(37), E(0) #2866861