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: Alginate impression material is classified as
A) Plastic
B) Elastic
C) Rigid
D) Inert
✅ Correct Answer: B
Explanation: Alginate is an elastic impression material used for preliminary impressions.
Q: Amalgam restoration mainly consists of
A) Copper and mercury
B) Gold and copper
C) Silver and zinc
D) Silver and mercury
✅ Correct Answer: D
Explanation: Dental amalgam primarily contains silver and mercury.
Q: Zinc oxide eugenol is commonly used as
A) Base material
B) Etching agent
C) Permanent cement
D) Final restoration
✅ Correct Answer: A
Explanation: Zinc oxide eugenol is a soothing base and temporary filling material.
Q: Fluoride release is highest in
A) Composite
B) Amalgam
C) Zinc phosphate
D) Glass ionomer
✅ Correct Answer: D
Explanation: Glass ionomer cements release fluoride over time.
Q: The setting reaction of GIC involves
A) Acid-base reaction
B) Oxidation
C) Crystallization
D) Polymerization
✅ Correct Answer: A
Explanation: GIC sets via an acid-base reaction between polyacrylic acid and glass particles.