A. Light body and putty used at the same time
B. Putty used first and light body used second
C. Light body first and putty later
D. None of the above
Related Mcqs:
- Wash or corrective impression is done by______________?
A. Impression plaster
B. Impression paste
C. Alginate
D. Rubber base impression material - 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 material is the most difficult to remove from the patients mouth ?
A. Metallic oxide paste
A. Silicone impression material
B. Reversible hydrocolloid
C. Impression plaster - Inelastic impression material is_____________?
A. Impression compound
B. Alginate
C. Agar-agar
D. Polyether - Elastomers except: Polyether are_______________?
A. Hydrophilic
B. Hydrophobic
C. Water loving impression materials
D. Potassium alginates - 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 - Most rigid elastomer is___________________?
A. Polyether
B. Polysulphide
C. Addition silicone
D. Condensation silicone - 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 - Lenolin is added is ZOE paste to______________?
A. Decrease flow
B. Increase flow
C. Accelerate reaction
D. Decrease irritation due to eugenol - The impression with the least dimensional change upon disinfection is_______________?
A. Addition poly silicone
B. Agar-agar
C. Polysulphide
D. Polyether
