- (A) polysulfides
- (B) Condensation silicones
- (C) addition silicones
- (D) Polyether
Medical Mcqs
- (A) Low thermal conductivity
- (B) Crystalline structure
- (C) Formation of cross linkage with heating
- (D) High fusion temperature
- (A) Close adaptation to soft tissues
- (B) With drawl without permanent distortion
- (C) Reproduction of surface details
- (D) Compatibility with gypsum products
- (A) Oral mucosal tissues
- (B) Dental hard tissues
- (C) Oral mucosal tissues and dental hard tissues
- (D) None of the above
- (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

