阿摩線上測驗
4.最適合用於印取全口義齒初模（preliminary impression）的材料，下列何者錯誤？
(A)不可逆性水凝膠（irreversible hydrocolloid）
(B)矽化物塑土（silicone putty）
(C)多硫化物（polysulfide）
(D)印模化合材（impression compound）
答案：登入後查看
統計： A(166), B(214), C(517), D(335), E(0) #3065329
統計： A(166), B(214), C(517), D(335), E(0) #3065329
詳解 (共 6 筆)
Ari
#6024380
A preliminary impression is a negative likeness made for the purpose of diagnosis, treatment planning, or the fabrication of a tray. It is made in a stock tray that is selected from an assortment. These trays are made to fit the majority of patients, but they really do not fit anyone well.
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哇哈哈哈哈
#7389312
很簡單，polysulfide 流動性高，太多反而形狀不穩，goood for precise use, after we have the individual tray, 這樣也不需要太多polysulfide, otherwise smell like pupu,
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