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: Etching enamel improves
A) Caries resistance
B) Bond strength
C) Salivary flow
D) Surface shine
Q: Polymerization shrinkage in composite leads to
A) Strength increase
B) Marginal gap
C) Thermal resistance
D) Antibacterial effect
Q: An impression tray should provide
A) Minimum retention
B) High salivation
C) Poor fit
D) Maximum support
Q: Type IV gypsum is ideal for
A) Study models
B) Temporary crowns
C) Alginate impressions
D) Die fabrication
Q: Zinc phosphate cement is mixed on
A) Plastic sheet
B) Cotton roll
C) Glass slab
D) Wooden spatula
Q: Waxes used in dentistry are classified by
A) Source
B) Flexibility
C) Color
D) Price
Q: Cohesive gold foil is used in
A) Orthodontics
B) Temporary crowns
C) Veneers
D) Inlays
Q: Self-cure resins are activated by
A) Saliva
B) Mixing two pastes
C) Heat only
D) UV light
Q: Elastic recovery is critical in
A) Impression materials
B) Dental burs
C) Orthodontic wires
D) Finishing strips
Q: Condensation silicones release
A) Ammonia
B) Oxygen
C) Water
D) Hydrogen gas