A. Zinc oxide eugenol
B. Impression compound
C. Alginate
D. Plaster of paris
Related Mcqs:
- 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 - The Zinc oxide-eugenol impression pastes harden by________________?
A. Chemical reaction
B. Cold
C. Heat
D. Pressure - Best impression material to be used for securing impression after crown preparation_______________?
A. Alginate
B. Agar
C. Elastome
D. Zno paste - 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 - 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 - Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid_______________?
A. Condensation silicone
B. Polyether
C. Polysulfide
D. Poly vinyl siloxane - All of the following statements about Type II silicon impression material are true EXCEPT_______________?
A. They evolve hydrogen when cast if they are not fully cured
B. They exhibit a very low setting shrinkage
C. They have a lower tear resistance than polysulphide rubbers
D. They set by condensation polymerisation - Which of the following is correct arrangement of impression material regarding linear contraction in ascending order ?
A. Addition silicone < polyether < polysulfide < condensation silicone
B. Addition silicone < polysulfide < Polyether < condensation silicone
C. condensation silicone < polyether < polysulfide < Addition silicone
D. condensation silicone < polysulfide < polyether < Addition silicone - Which of the following impression material requires a hardener ?
A. Agar
B. Alginate
C. Elastomers
D. Impression compound - Which of the following is true about Agar hydrocolloid impression material ?
A. Liquefies between 71 – 100°C
B. Solidfies between 50 – 70°C
C. Facilitates fabrication of metal dyes
D. Cannot register fine surface details
