68 下列何者為 class II inlay preparation 不會用到的器械?
(A)錐狀碳鋼磨針(tapered carbide bur)
(B)牙挖器(excavator)或圓形磨針(round bur)
(C)牙齦邊緣修整器(gingival margin trimmer)
(D)倒凹型鑽石磨針(inverted cone bur)
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統計: A(13), B(34), C(80), D(81), E(0) #900891
統計: A(13), B(34), C(80), D(81), E(0) #900891