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: Porosity in acrylic resin dentures results from
A) Air entrapment
B) High temperature
C) Low polymerization
D) Excess pressure
Q: Zinc oxide eugenol is primarily used as
A) Permanent cement
B) Impression material
C) Temporary filling
D) Etchant
Q: Tensile strength is highest in
A) Composite
B) Amalgam
C) Polyether
D) Porcelain
Q: Flexibility of impression materials is lowest in
A) Polyether
B) Alginate
C) Agar
D) Silicone
Q: The monomer in cold-cure acrylic resin is
A) Methyl methacrylate
B) TEGDMA
C) Hydroquinone
D) Benzoyl peroxide
Q: Retarders in gypsum products include
A) Sodium chloride
B) Aluminum sulfate
C) K2SO4
D) Borax
Q: Type IV gypsum is also called
A) Die stone
B) Impression stone
C) Stone
D) Plaster
Q: Stainless steel crowns are most commonly used in
A) Orthodontics
B) Prosthodontics
C) Pediatric dentistry
D) Adults
Q: Viscosity of a fluid is defined as
A) Elasticity
B) Volume
C) Rigidity
D) Resistance to flow
Q: Wax patterns should be invested immediately to
A) Avoid distortion
B) Prevent shrinkage
C) Increase strength
D) Enhance setting