A. Alginate
B. Zinc oxide-eugenol
C. Agar-agar
D. Impression compound
Perforated impression tray are used for_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Trisodium phosphate reacts with sodium alginate
B. Trisodium phosphate reacts with calcium sulphate
C. Colloidal changes to sol
D. Material in contact with soft tissues sets last
During setting of alginate impression materials________________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Accelerating the setting stage of gypsum
B. Increase strength
C. Give dimensional stability
D. None of the above
K2SO4 in agar-agar is for_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Impression plaster
B. Impression paste
C. Alginate
D. Rubber base impression material
Wash or corrective impression is done by______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. polyether polymer
B. Colloidal silica
C. Glycol ether
D. Di-vinyl poly (dimethyl siloxane)
The plasticizers used in polyether impression material is_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Concentration of filler and plasticizer
B. Percentage composition by weight of water
C. Concentration of potassium sulphate
D. Temperature
A. Sol
B. Gel
C. Hydrocolloid
D. Colloid
Alginates are_____________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Hydrocolloids
B. Elastomers
C. Zinc oxide eugenol
D. Plaster of paris
Syneresis is associated with______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Has dimensional stability
B. Does not adhere to tissues
C. Is easy manipulation
D. Does not require special trays
The advantage of ZOE impression paste_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Remove excess impression material
B. Remove saliva
C. Hydrate the impression
D. Accelerate the setting
Rinsing of the impression is important to________________? Read More »
Dental Materials, Impression Materials, Medical Mcqs