A. Irreversible hydrocolloid
B. Reversible hydrocolloid
C. Impression plaster
D. Metallic oxide paste
Related Mcqs:
- Hysteresis in a hydrocolloid gel is______________?
A. Moisture absorption
B. Temperature lag between gelation and liquefaction temperature
C. Phenomenon of conversion of gel into sol
D. All of the above - Which of the following drugs undergoes “Hoffmann elimination” ?
A. d-tubecurarine
B. Acetycholine
C. Atracurium
D. Acetazolamide - NSAID which undergoes enterohepatic circulation______________?
A. Phenylbutazone
B. Piroxicam
C. Aspirin
D. Ibuprofen - 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 basic constituent of reversible hydrocolloid impression material is________________?
A. Agar
B. Alginic acid
C. Gelatin
D. alginate - Tear strength for impression material is highest for__________?
A. Condensation silicone
B. Alginate
C. Polysulfide
D. Addition silicone - The process of changing the rubber base product or liquid polymer, to a rubber like material is generally known as_____________?
A. Boiling
B. Condensation
C. Vulconization
D. Chain lengthening - Which of the following is used as surface hardener in Impression material ?
A. 2% Potassium sulfate
B. 0.2% Potassium sulfate
C. 2% sodium sulfate
D. 4% Potassium sulfate - Best impression material to be used for securing impression after crown preparation_______________?
A. Alginate
B. Agar
C. Elastome
D. Zno paste - The impression material used to record the prepared areas on abutment teeth is______________?
A. High viscosity elastomeric impression material
B. Medium viscosity elastomeric impression material
C. Low viscosity elastomeric impression material
D. None of the above