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.Management Sciences
Category: Impression Materials
The role of magnesium chloride in zinc oxide eugenol impression paste_________________?
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A. Retarder
B. Modifier
C. Plasticier
D. Accelerator
By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate_______________?
A. Ethyl alcohol
B. Glycol
C. Acetate
D. Propanolol
Best impression material to be used for securing impression after crown preparation_______________?
A. Alginate
B. Agar
C. Elastome
D. Zno paste
Alginate impression material is________________?
A. Non-elastic impression material
B. Thermoplastic impression material
C. More mucostatic than ZOE
D. Less mucostatic than ZOE
Most rigid elastomer is___________________?
A. Polyether
B. Polysulphide
C. Addition silicone
D. Condensation silicone
Perforated impression tray are used for_______________?
A. Alginate
B. Zinc oxide-eugenol
C. Agar-agar
D. Impression compound
Impression plaster is_____________?
A. Less compressive than alginate
B. More compressive than alginate
C. As compressive as alginate
D. More compressive than hydrocolloids
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