The advantage of ZOE impression paste_______________?

Related Mcqs:

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

   A. Zinc Sulphate & Zinc chloride
   B. Zinc chloride & Eugenol
   C. Zinc Sulphate & Eugenol
   D. Glycerin

2. 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

3. 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

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

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

5. 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

6. 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

7. Lenolin is added is ZOE paste to______________?

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

8. Percentage of zinc in ZOE cement is__________________?

   A. 60%
   B. 70%
   C. 80%
   D. 90%

9. Impression compound base_____________?

   A. Low thermal conductivity
   B. Crystalline structure
   C. Formation of cross linkage with heating
   D. High fusion temperature

10. Impression material that Do NOT harden by chemical reaction_______________?

    A. Zinc oxide eugenol
    B. Impression compound
    C. Alginate
    D. Plaster of paris