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Impression Materials

Impression compound is characterized by all of the following except_______________?

Dental Materials, Impression Materials, Medical Mcqs /
Impression compound is characterized by all of the following except_______________?

A. Warps at room temperature
B. Is a thermoset material
C. Shows increased flow when kneaded with water
D. Low coefficient of thermal conductivity

Impression compound is characterized by all of the following except_______________? Read More »

Dental Materials, Impression Materials, Medical Mcqs

Rapid removal of rubber impression with a single firm motion results in____________________?

Dental Materials, Impression Materials, Medical Mcqs /
Rapid removal of rubber impression with a single firm motion results in____________________?

A. Reduced dimensional instability
B. Improved adhesion of the impression to the tray
C. Minimal permanent deformation
D. Reduced contamination by saliva

Rapid removal of rubber impression with a single firm motion results in____________________? Read More »

Dental Materials, Impression Materials, Medical Mcqs

Alginate impression material is similar to Agar-agar impression material in the following respect________________?

Dental Materials, Impression Materials, Medical Mcqs /
Alginate impression material is similar to Agar-agar impression material in the following respect________________?

A. Gelation increase in both on increase in temperature
B. Mixing time is increased to reduce the setting time
C. Deformation during removal of impression occurs due to distortion of gel fibers
D. Both can be re-used for fresh impressions

Alginate impression material is similar to Agar-agar impression material in the following respect________________? Read More »

Dental Materials, Impression Materials, Medical Mcqs