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Impression Materials

Rough and irregular surface produced on the impression is because of ?

Dental Materials, Impression Materials, Medical Mcqs /
Rough and irregular surface produced on the impression is because of ?

A. Improper application of pressure during impression making
B. Air incorporated during mixing
C. Too rapid polymerization
D. Presence of moisture in impression area

Rough and irregular surface produced on the impression is because of ? Read More »

Dental Materials, Impression Materials, Medical Mcqs

The ranking of tear strength from the lowest to highest of all impression materials generally is as follows_______________?

Dental Materials, Impression Materials, Medical Mcqs /
The ranking of tear strength from the lowest to highest of all impression materials generally is as follows_______________?

A. Hydrocolloids, silicones, polyether, polysulfide
B. Silicones, hydrocolloids, polyether, polysulfide
C. Polysulfide, hydrocolloids, silicones, polyether
D. Hydrocolloids, polyether, silicones, polysulfide

The ranking of tear strength from the lowest to highest of all impression materials generally is as follows_______________? Read More »

Dental Materials, Impression Materials, Medical Mcqs

By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate_______________?

Dental Materials, Impression Materials, Medical Mcqs /
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

By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate_______________? Read More »

Dental Materials, Impression Materials, Medical Mcqs

Dimensional stability of elastomeric impression material can be given in descending order as_____________?

Dental Materials, Impression Materials, Medical Mcqs /
Dimensional stability of elastomeric impression material can be given in descending order as_____________?

A. Polysulphide > polyether > Condensation silicone > Addition silicone
B. polyether > Condensation silicone > Polysulphide > Addition silicone
C. Addition silicone > polyether > Polysulphide > Condensation silicone
D. Addition silicone> Condensation silicone > Polysulphide > polyether

Dimensional stability of elastomeric impression material can be given in descending order as_____________? Read More »

Dental Materials, Impression Materials, Medical Mcqs