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Dental Materials

All of the following statements about the differences between self-polymerizing acrylic resins and heat-cured resins are true EXCEPT______________?

All of the following statements about the differences between self-polymerizing acrylic resins and heat-cured resins are true EXCEPT______________?

A. The former have a lower molecular weight
B. The former have higher residual monomer content
C. The former are more porous
D. The former have greater transverse strength

All of the following statements about the differences between self-polymerizing acrylic resins and heat-cured resins are true EXCEPT______________? Read More »

Dental Materials, Medical Mcqs, Restorative Resins

Deformation that is recovered upon removal of an externally applied force or pressure is known as_____________?

Deformation that is recovered upon removal of an externally applied force or pressure is known as_____________?

A. Young’s modulus
B. Plastic strain
C. Elastic strain
D. Flexural strain

Deformation that is recovered upon removal of an externally applied force or pressure is known as_____________? Read More »

Dental Materials, Medical Mcqs, Physical Properties

Angles between Adhesive and Adherent is Zero degree, it indicates_______________?

Angles between Adhesive and Adherent is Zero degree, it indicates_______________?

A. Complete wetting of surfaces
B. Rough surfaces between Adhesive & Adherent
C. Adherent and Adhesive molecules are tangent to each other
D. Irregularities present between Adherent surfaces

Angles between Adhesive and Adherent is Zero degree, it indicates_______________? Read More »

Dental Materials, Medical Mcqs, Physical Properties

When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called________________?

When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called________________?

A. Solid solution
B. Eutectic mixture
C. Peritectic mixture
D. Inter metallic compounds

When two metals are completely miscible in liquid state and they remain completely mixed on solidifiation, the alloy formed is called________________? Read More »

Dental Materials, Medical Mcqs, Physical Properties