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: Gold is classified as
A) Brittle
B) Ductile
C) Fragile
D) Hard
✅ Correct Answer: B
Explanation: Gold is highly ductile, making it suitable for restorations.
Q: Dental stone is used for
A) Restorations
B) Root canals
C) Impressions
D) Model fabrication
✅ Correct Answer: D
Explanation: Dental stone is ideal for making precise models and dies.
Q: Acid etching improves
A) Smoothness
B) Retention
C) Polishing
D) Staining
✅ Correct Answer: B
Explanation: Etching enhances micromechanical retention for adhesives.
Q: Orthodontic brackets are commonly bonded using
A) GIC
B) Composite resin
C) Zinc oxide
D) Amalgam
✅ Correct Answer: B
Explanation: Composite resins offer strong and reliable bonding for orthodontic appliances.
Q: Polycarboxylate cement adheres chemically to
A) Ceramic
B) Metal
C) Enamel
D) Dentin
✅ Correct Answer: D
Explanation: Polycarboxylate cement forms ionic bonds with calcium in dentin.