Which of the following component acts as an accelerator in ZOE impression paste ?

Related Mcqs:

1. Lenolin is added is ZOE paste to______________?

   A. Decrease flow
   B. Increase flow
   C. Accelerate reaction
   D. Decrease irritation due to eugenol

2. The advantage of ZOE impression paste_______________?

   A. Has dimensional stability
   B. Does not adhere to tissues
   C. Is easy manipulation
   D. Does not require special trays

3. All of the following can be used to slow down the setting of Zinc oxide eugenol impression paste EXCEPT_________________?

   A. Adding a small amount of glycerine
   B. Adding a small amount of water
   C. Altering the amounts of the two pastes used
   D. Cooling mixing slab

4. Type I and Type II zinc oxide impression paste differ with respect to_______________?

   A. Their use
   B. Their hardness after setting
   C. Water content
   D. Eugenol content

5. Which of the following acts as accelerator in Zinc oxide eugenol______________?

   A. ZnCl2 + Eugenol
   B. ZnCl2 + ZnSO2
   C. Eugenol + ZnO
   D. Zn(OH)2 + ZnO

6. Alginate impression material is similar to Agar-agar impression material in the following respect________________?

   A. Gelation increase in both on increase in temperature
   B. Mixing time is increased to reduce the setting time
   C. Deformation during removal of impression occurs due to distortion of gel fibers
   D. Both can be re-used for fresh impressions

7. Which of the following impression materials is easy to pour and difficult to remove the stone cast from the impression ?

   A. Addition polysilicone
   B. Condensation polysilicone
   C. Polyether
   D. Polysulfide

8. Best impression material to be used for securing impression after crown preparation_______________?

   A. Alginate
   B. Agar
   C. Elastome
   D. Zno paste

9. 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

10. Setting time of ZOE is best controlled by______________?

    A. Adding a drop of eugenol
    B. Adding a drop of water
    C. Cooling the glass slab
    D. Altering ratio of two pastes