Category: Dental Materials

Mercury rich condition in a slow setting amalgam alloy system in a resoration in______________?

A. Accelerated corrosion
B. Fracture of the restoration
C. Merginal damage
D. All of the above

A. Metallic bind
B. Transparency
C. Chemical bond
D. B and C

A. Silicate cement
B. Zinc phosphate
C. Polycarboxylate
D. GIC

A. Compressive strength
B. Tensile strength
C. Corrosion
D. Creep

A. Hardness
B. Yield strength
C. Modulus of elasticity
D. None of the above

A. Acetic acid
B. Zinc acetate dehydrate
C. Calcium chloride
D. Bromoglycerine

A. Transformation toughening
B. Dispersion of crystalline phase
C. Inducing residual compressive strength
D. All of the above

A. Is wet calcined hemihydrate
B. Has porous and irregular crystals
C. Is a – hamihydrate
D. Has a W / P of 0.2

A. Type III and Type IV gold
B. Type V and type VI gold
C. Type VII and type VIII gold
D. None of the above

A. polyether polymer
B. Colloidal silica
C. Glycol ether
D. Di-vinyl poly (dimethyl siloxane)