Category: Impression Materials

A. 4%
B. 6%
C. 8%
D. 10%

A. Reduced dimensional instability
B. Improved adhesion of the impression to the tray
C. Minimal permanent deformation
D. Reduced contamination by saliva

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

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

A. Moisture absorption
B. Temperature lag between gelation and liquefaction temperature
C. Phenomenon of conversion of gel into sol
D. All of the above

A. Warps at room temperature
B. Is a thermoset material
C. Shows increased flow when kneaded with water
D. Low coefficient of thermal conductivity

A. Using less water powder ratio
B. Storing the impression under water
C. Prolonged manipulation
D. Using humidor

A. Hydrophilic
B. Hydrophobic
C. Water loving impression materials
D. Potassium alginates

A. Low thermal conductivity
B. Crystalline structure
C. Formation of cross linkage with heating
D. High fusion temperature

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