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: Addition silicones are also called
A) Polyvinyl siloxanes
B) Condensation silicones
C) Reversible hydrocolloids
D) Polyethers
✅ Correct Answer: A
Explanation: Polyvinyl siloxanes are high-accuracy addition silicones.
Q: Elastomeric impression materials include
A) Agar and alginate
B) Amalgam and composite
C) Polyether and silicone
D) Wax and ZOE
✅ Correct Answer: C
Explanation: Elastomeric materials like polyether and silicone provide elastic recovery.
Q: Reversible hydrocolloid is represented by
A) Composite
B) Alginate
C) GIC
D) Agar
✅ Correct Answer: D
Explanation: Agar changes from sol to gel and back with temperature changes.
Q: Tissue conditioners are used for
A) Permanent relining
B) Temporary soft liners
C) Final restorations
D) Surgical impressions
✅ Correct Answer: B
Explanation: Tissue conditioners are soft liners used for temporary relief in dentures.
Q: Color stability is highest in
A) Porcelain
B) GIC
C) Composite
D) Amalgam
✅ Correct Answer: A
Explanation: Porcelain has excellent color stability and esthetic appearance.