Dental Materials

A. increasing the working time of alginate impression material
B. Acts as an accelerator
C. Initiating the setting reaction
D. Provides gel strength

A. Agar
B. Alginate impression material
C. Both of the above
D. Primary impression

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. Mercaptan
B. Silicone
C. Reversible hydrocolloid
D. A and B

A. Metallic oxide paste
A. Silicone impression material
B. Reversible hydrocolloid
C. Impression plaster

A. Increase gel strength
B. Prevent syneresis
C. Prevent distortion
D. Wash off saliva on impression

A. Agar
B. Alginic acid
C. Gelatin
D. alginate

A. Impression plaster
B. Hydrocolloids
C. Elastomer
D. Impression compound

A. Adding a drop of eugenol
B. Adding a drop of water
C. Cooling the glass slab
D. Altering ratio of two pastes

A. Less compressive than alginate
B. More compressive than alginate
C. As compressive as alginate
D. More compressive than hydrocolloids