- (A) Accelerating the setting stage of gypsum
- (B) Increase strength
- (C) Give dimensional stability
- (D) None of the above
Medical Mcqs
- (A) Trisodium phosphate reacts with sodium alginate
- (B) Trisodium phosphate reacts with calcium sulphate
- (C) Colloidal changes to sol
- (D) Material in contact with soft tissues sets last
- (A) Alginate
- (B) Zinc oxide-eugenol
- (C) Agar-agar
- (D) Impression compound
- (A) 100 ml of water to 60 gms of powder
- (B) 40 ml of water to 40 gms of powder
- (C) 40 ml of water to 15 gms of powder
- (D) 15 ml of water to 40 gms of powder
- (A) Borax
- (B) Water
- (C) Sulfates
- (D) Carbonates
- (A) Liquefies between 71 – 100°C
- (B) Solidfies between 50 – 70°C
- (C) Facilitates fabrication of metal dyes
- (D) Cannot register fine surface details
- (A) Addition silicone
- (B) Polysulphide
- (C) Polyetner
- (D) Condensation silicone
- (A) Olive oil
- (B) Linseed oil
- (C) Zinc acetate
- (D) All of these
- (A) Custom trays facilitate uniform contraction of impression material
- (B) Custom trays require less impression material
- (C) Stock trays may be short in the flange area
- (D) Impressions made n the custom trays are easier to remove from the mouth
- (A) Aromatic sulfonate esters
- (B) Stannous octate
- (C) Platinum salt catalyst
- (D) Lead dioxide
