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.Management Sciences
Category: Dental Materials
Which of the following is correct glass transition temperature of Impression compound ?
A. 43.5°C
B. 39°C
C. 65°C
D. 100°C
Opaque porcelain________________?
A. Is Feldspathic glass
B. Contains opacifier like zirconium and titanium oxide
C. Not used to mask the colour of the cement used in placing of restoration
D. Used to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth
Syringe material is______________?
A. High viscosity elastomer
B. Medium viscosity elastomer
C. Medium & low viscosity elastomer
D. Low viscosity elastomer
Stress in defined as_______________?
A. An applied load or force
B. A deformation resulting from an applied load
C. An external force opposing an applied load
D. An internal force opposing an applied load
Why GIC is best restorative material in children_____________?
A. High strength
B. Good marginal integrity
C. It can bond enamel & dentin
D. It has less occlusal wear
Final product in alginate is________________?
A. Sodium alginate
B. Potassium alginate
C. Trisodium phosphate
D. Calcium alginate
The elastic of plastic deformation to fracture a material is its_______________?
A. Toughness
B. Brittleness
C. Young’s modulus
D. Proportional limit
Copper content in low copper amalgam is________________?
A. 6%
B. 12-30%
C. 29%
D. 19%
The most commonly used Titanium alloy for dental and medical purposes is________________?
A. Ti 6Al 4V
B. Ti 5Al 4V
C. Ti 5Al 5V
D. Ti 6Al 6V
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