Dental Materials MCQs
Dental Materials MCQs test the understanding of restorative and preventive materials used in dentistry. Topics include dental amalgam, composite resins, glass ionomers, impression materials, and adhesives. These MCQs are valuable for BDS and MDCAT students aiming to grasp the properties, manipulation, and clinical use of dental materials.
Q: Zinc oxide eugenol is best known for
A) Fluoride release
B) High tensile strength
C) Sedative properties
D) Permanent restorations
Q: Amalgam requires the presence of
A) Polymerization reaction
B) Adequate cavity depth
C) Moisture control
D) High esthetics
Q: Polymerization shrinkage is associated with
A) Zinc phosphate
B) Glass ionomer
C) Composite resin
D) Amalgam
Q: A primary advantage of using alginate as an impression material
A) Quick setting time
B) High accuracy
C) Resistance to tear
D) Dimensional stability
Q: Gypsum products are commonly used for
A) Model and die fabrication
B) Etching enamel
C) Final restorations
D) Cavity liners
Q: High-copper amalgam is preferred because
A) Sets faster
B) Reduces corrosion
C) Has a smoother surface
D) Releases fluoride
Q: The purpose of using a silane coupling agent in composites
A) Reduces viscosity
B) Acts as a solvent
C) Improves bond between filler and resin
D) Enhances esthetics
Q: Zinc phosphate cement is known to be
A) Highly biocompatible
B) Acidic on mixing
C) Light cured
D) Antibacterial
Q: Setting reaction of gypsum involves
A) Acid-base reaction
B) Polymerization
C) Hydration
D) Gelation
Q: The filler particles in composite resin help to
A) Increase water absorption
B) Initiate curing
C) Decrease strength
D) Improve wear resistance