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.Management Sciences
Category: Impression Materials
Name the accelerator used in Zinc oxide eugenol paste______________?
A. Olive oil
B. Linseed oil
C. Zinc acetate
D. All of these
Which of the following is correct glass transition temperature of Impression compound ?
A. 43.5°C
B. 39°C
C. 65°C
D. 100°C
Syringe material is______________?
A. High viscosity elastomer
B. Medium viscosity elastomer
C. Medium & low viscosity elastomer
D. Low viscosity elastomer
Final product in alginate is________________?
A. Sodium alginate
B. Potassium alginate
C. Trisodium phosphate
D. Calcium alginate
Which of the following best describes the working time of elastomeric impression material ?
A. After the start of appearing elastic properties of impression material
B. Just after the start of appearing elastic properties of impression material
C. Just before the start of appearing elastic properties of impression material
D. Loss of luster of impression material
Tear strength for impression material is highest for__________?
A. Condensation silicone
B. Alginate
C. Polysulfide
D. Addition silicone
Agar syringe material can be used with/as______________?
A. Agar
B. Alginate impression material
C. Both of the above
D. Primary impression
Polysulfide material is routinely not recommended because of_______________?
A. Unpleasant odor and taste
B. Low accuracy
C. Least permanent deformation
D. Highest curing shrinkage
Agar impression materials differ from alginate impression materials in that the former sets by_______________?
A. Mechanical action of saliva
B. Physical change
C. Evolution
D. Chemical change
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