Most flexible impression material______________?

Related Mcqs:

1. 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

2. 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

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

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

4. 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

5. Impression plaster is_____________?

   A. Less compressive than alginate
   B. More compressive than alginate
   C. As compressive as alginate
   D. More compressive than hydrocolloids

6. Which of the following impression material is elastic________________?

   A. Impression compound
   B. Zinc Oxide eugenol (ZOE) paste
   C. Wax
   D. Polyvinyl siloxane

7. The impression materials with lowest viscosity is_____________?

   A. Plaster of paris
   B. Agar – agar
   C. Zinc oxide eugenol
   D. Elastomers

8. Rough and irregular surface produced on the impression is because of_______________?

   A. Air incorporated during mixing
   B. Improper application of pressure during impression making
   C. Presence of excessive saliva in impression area
   D. Due to improper ratio of polymer and monomer

9. Rinsing of the impression is important to________________?

   A. Remove excess impression material
   B. Remove saliva
   C. Hydrate the impression
   D. Accelerate the setting

10. The impression for a diagnostic cast of a partial edentulous mouth should be taken in_______________?

    A. Impression wax
    B. Modelling compound
    C. Hydro-colloid
    D. Hydro cal