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
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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
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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
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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
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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
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Correct Answer: A
Explanation: GIC forms ionic bonds with calcium in enamel and dentin.