Dental Materials MCQs

Dental Materials MCQs cover properties, manipulation, and clinical use of dental amalgam, composites, glass ionomers, impression materials, and adhesives, helping BDS and MDCAT students prepare effectively for exams and dental practice knowledge.

Q: Most hydrophilic impression material is
A) Agar
B) Polyether
C) Polysulfide
D) Silicone
โœ… Correct Answer: A
Explanation: Agar is a hydrocolloid and is extremely hydrophilic in nature.
Q: Compressive strength is maximum in
A) Amalgam
B) GIC
C) Wax
D) Composite
โœ… Correct Answer: A
Explanation: Amalgam exhibits high compressive strength compared to other materials.
Q: Acrylic resins are commonly used for
A) Denture bases
B) Orthodontic brackets
C) Crowns
D) Implants
โœ… Correct Answer: A
Explanation: Acrylic resins are ideal for fabricating complete and partial denture bases.
Q: Etching of enamel creates
A) Caries
B) Cavities
C) Microporosities
D) Plaque
โœ… Correct Answer: C
Explanation: Etching results in microporosities that enhance bonding.
Q: GIC bonds chemically with
A) Enamel and dentin
B) Amalgam
C) Porcelain
D) Stainless steel
โœ… Correct Answer: A
Explanation: GIC forms ionic bonds with calcium in enamel and dentin.