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: Delayed expansion in zinc-containing amalgam is caused by
A) Lack of pressure
B) Over-trituration
C) Excess mercury
D) Moisture contamination
Q: Cohesive failure occurs within the
A) Adhesive
B) Substrate
C) Interface
D) Material itself
Q: High copper amalgams exhibit
A) Low strength
B) High creep
C) Corrosion
D) No gamma-2 phase
Q: Polymerization shrinkage is lowest in
A) Microfill composite
B) Hybrid composite
C) Bulk-fill composite
D) Flowable composite
Q: Glass ionomer cements are primarily bonded to tooth structure by
A) Mechanical retention
B) Ionic interaction
C) Resin tags
D) Chelation with collagen