Impression Materials

A. Inadequate mixing
B. Air bubbles
C. Too rapid polymerization
D. Incomplete polymerization caused by premature removal from mouth

A. Polyether
B. Polysulphide
C. Addition silicone
D. Condensation silicone

A. Polyether
B. Addition silicone
C. Polysulphide
D. Condensation silicone

A. Condensation silicone
B. Polyether
C. Polysulfide
D. Poly vinyl siloxane

A. After the start of appearing elastic properties of impression material
B. Just after the start of appearing elastic properties of impression material
C. Just before the start of appearing elastic properties of impression material
D. Loss of luster of impression material

A. Sodium alginate
B. Potassium alginate
C. Trisodium phosphate
D. Calcium alginate

A. Reducing the diatomaceous earth
B. Adding heavy metal salts
C. Coating with dihydric alcohol
D. Altering the matrix

A. Zinc Oxide eugenol impression paste
B. Hydrocolloid impression material
C. Elastomeric impression material
D. All of the above

A. Injecting technique
B. Laminate technique
C. Immersion technique
D. Tempering technique

A. Addition polysilicone
B. Condensation polysilicone
C. Polyether
D. Polysulfide