Category: Dental Materials

Gypsum product having least expansion_____________?

A. Impression plaster
B. Model plaster
C. Stone plaster
D. Die stone

A. Iridium
B. Ruthinium
C. Indium
D. Platinum

Hamad Impression Materials 23/11/2021

A. Marcaptan group
B. Hydroxyl group
C. Silane group
D. Virryl group

Hamad Metallurgy 19/11/2021

A. ¼ inch
B. ½ inch
C. 3/8 inch
D. one inch

Hamad Dental Cements 19/11/2021

A. GIC
B. Copper cement
C. Zinc phosphate cement
D. Zinc oxide eugenol cement

Hamad Metallurgy 16/11/2021

A. Paraffin
B. Carnauba
C. Gum dammar
D. Canadelila

Hamad Gypsum Products 15/11/2021

A. Tensile strength
B. Wet strength
C. Green strength
D. compressive strength

Hamad Direct Filling Gold 13/11/2021

A. Perpendicular to the walls
B. Parallel to long axis of crown
C. 45° to the wall
D. None of the above

Hamad Impression Materials 12/11/2021

A. Act as a scavenger
B. Helps as surfactant
C. Acts as plasticizer
D. Acts as a catalyst

Hamad Dental Cements 11/11/2021

A. Polysiloxane
B. Phosphoric acid
C. Polyacrylic acid
D. Ion leachable glass