Medical MCQs

5099 MCQs  (Page 79 of 510)

Most flexible impression material______________?
A. Impression compound
B. Impression paste
C. Addition silicone
D. Alginate
A laminate impression technique utilizes_______________?
A. Syringe agar and chilled tray alginate
B. Syringe agar and tray agar
C. Syringe agar and impression compound
D. Chilled alginate and impression compound
Dimensional stability of elastomeric impression material can be given in descending order as_____________?
A. Polysulphide > polyether > condensation silicone > addition silicone
B. Polyether > condensation silicone > polysulphide > addition silicone
C. Addition silicone > polyether > polysulphide > condensation silicone
D. Addition silicone> condensation silicone > polysulphide > polyether
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
Most mucostatic among the following_____________?
A. Impression compound
B. Alginate
C. Zoe paste
D. Elastomer
The ranking of tear strength from the lowest to highest of all impression materials generally is as follows_______________?
A. Hydrocolloids, silicones, polyether, polysulfide
B. Silicones, hydrocolloids, polyether, polysulfide
C. Polysulfide, hydrocolloids, silicones, polyether
D. Hydrocolloids, polyether, silicones, polysulfide
The impression materials with lowest viscosity is_____________?
A. Plaster of paris
B. Agar – agar
C. Zinc oxide eugenol
D. Elastomers