A. 2 mm
B. 2-4 mm
C. Greater than 3 mm
D. Maximum in the area of operation
A. Rockwell tester
B. Barcol indenter
C. Knoop pyramid
D. Shore durometer
The relative hardness of elastomere is determined using________________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Inadequate mixing
B. Air bubbles
C. Too rapid polymerization
D. Incomplete polymerization caused by premature removal from mouth
Rough surface of elastomeric impression results from_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Polyether
B. Polysulphide
C. Addition silicone
D. Condensation silicone
Most rigid elastomer is___________________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Polyether
B. Addition silicone
C. Polysulphide
D. Condensation silicone
Most ideally elastic among the following_______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs 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
Final product in alginate is________________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Reducing the diatomaceous earth
B. Adding heavy metal salts
C. Coating with dihydric alcohol
D. Altering the matrix
Dustless alginate is produced by______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs A. Zinc Oxide eugenol impression paste
B. Hydrocolloid impression material
C. Elastomeric impression material
D. All of the above
Two in one stage impression materials include______________? Read More »
Dental Materials, Impression Materials, Medical Mcqs