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: Calcium hydroxide is commonly used for
A) Pit and fissure sealing
B) Pulp capping
C) Etching enamel
D) Orthodontic bonding
Q: A major disadvantage of polyether impression material
A) Stiffness after setting
B) Short working time
C) Hydrophobic nature
D) High flexibility
Q: Resin-modified glass ionomer differs from traditional GIC due to
A) Polymerizable resin component
B) Addition of metal
C) Lack of fluoride
D) Presence of zinc
Q: Delayed expansion in zinc-containing amalgams occurs due to
A) Polymerization shrinkage
B) Corrosion
C) Moisture contamination
D) Incomplete mixing
Q: Abrasiveness of a dental material is measured by
A) Solubility index
B) Optical density
C) Hardness number
D) Tensile strength