- (A) Oral mucosal tissues
- (B) Dental hard tissues
- (C) Oral mucosal tissues and dental hard tissues
- (D) None of the above
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- (A) Reversible hydrocolloid
- (B) Mercaptan impression material
- (C) Zinc Phosphate cement
- (D) Zinc oxide-eugenol
- (A) Less compressive than alginate
- (B) More compressive than alginate
- (C) As compressive as alginate
- (D) More compressive than hydrocolloids
- (A) Adding a drop of eugenol
- (B) Adding a drop of water
- (C) Cooling the glass slab
- (D) Altering ratio of two pastes
- (A) Impression plaster
- (B) Hydrocolloids
- (C) Elastomer
- (D) Impression compound
- (A) Agar
- (B) Alginic acid
- (C) Gelatin
- (D) alginate
- (A) Increase gel strength
- (B) Prevent syneresis
- (C) Prevent distortion
- (D) Wash off saliva on impression
- (A) Mercaptan
- (B) Silicone
- (C) Reversible hydrocolloid
- (D) A and B
- (A) Low thermal conductivity
- (B) High flow property
- (C) Degradation is presence of moisture
- (D) Remain distortion free up to 72 hrs. pouring can be safely delayed
- (A) Increased spatulation
- (B) Adding potassium sulfate
- (C) Less water powder ratio
- (D) Allowing setting under water
