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.Management Sciences
Category: Dental Cements
The effect of zinc oxide-eugenol on the pulp ?
0
A. Is irritating
B. Encourages pulpal fibrosis
C. Is sedating
D. Has no effect
Which of the following show chemical bond with enamel (Calcified tissues)______________?
A. Composites
B. Direct filling resins
C. Polycarboxylate cements
D. BIS-GMA resins in pit and fissure sealants
The dual cure cements should not be used with light transmitting prostheses thicker than____________?
A. mm
B. 1.5 mm
C. mm
D. 2.5 mm
Torsional force is_______________?
A. Compression
B. Tensile force
C. Shear
D. Transverse bending force
Eugenol may be replaced in the zinc oxide eugenol cement by______________?
A. Acetic acid
B. Alginic acid
C. Phosphoric acid
D. Ortho-ethoxy acid
Which cement is irritating to the pulp ?
A. Carboxylate cement
B. Zinc oxide-eugenol cement
C. Zinc phosphate
D. Ethoxybenzoic acid
MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?
A. Carboxyl group
B. Chelates with Metal Ions
C. C=C double bond
D. Polymer chains
The chief advantage of zinc phosphate cement is its___________?
A. Good compressive strength
B. Film thickness
C. Lack of irritation
D. Low solubility
The average life of silicate cement restoration is______________?
A. 2 years
B. 4 years
C. 6 years
D. 8 years
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