問題詳情

44.下列那一種牙科常用補綴物材料,可利用石膏結合包埋材進行鑄造?
(A)金銀鈀合金
(B)純鈦
(C)鈷鉻合金
(D)熱壓式全瓷冠(heat pressed all-ceramic crowns)

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增

用户評論

Jeremy Huang】評論

石膏結合包埋材屬於低溫包埋材,僅適用...

Andrei】評論

石膏包埋材->(A)金銀鈀合★ ...

Notorious】評論

The gypsum-based materials represent the type traditionally used for conventional casting of gold alloy inlays,onlays, crowns, and larger fixed dental prostheses (FDPs).Phosphate-based investments are designed primarily foralloys used to produce copings or frameworks for metal-ceramic prostheses (Chapter 18) and some base metal alloys.It can also be used for pressable ceramics. A third type is theethyl silicate–bonded investment, which is used principallyfor the casting of removable partial dentures made from basemetals (cobalt-based and nickel-based a...

weeeee】評論

石膏包埋材—金合金磷酸乙酯包埋材—賤金屬RPD,陶瓷,PFM