Medical MCQs

A. Accelerating the setting stage of gypsum
B. Increase strength
C. Give dimensional stability
D. None of the above

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. Bullock heart
B. Chemicals
C. Sea weed
D. Chick cells

A. Decrease flow
B. Increase flow
C. Accelerate reaction
D. Decrease irritation due to eugenol

A. Silicone
B. Agar-agar
C. Impression paste
D. Impression plaster

A. Slight rocking of the impression to disengage it from the undercut
B. Wetting the periphery of the impression with mosit cotton to break the peripheral seal
C. Sudden jerking of the impression to prevent tearing
D. Supporting the impression along with the tray to prevent disengaging of the tray alone

A. Thin mix of plaster of paris
B. Zinc oxide eugenol impression paste
C. Free flowing wax
D. Reversible hydrocolloids

A. Continue to polymerize
B. Become elastic
C. Show imbibition and syneresis
D. Show gelation

A. Raising the temperature of water used for maxing
B. Using excess water for maxing
C. Lowering the temperature of water used for mixing
D. None of the above