MCQ Collection
Science of Dental Materials MCQs
Practice Science of Dental Materials questions with answers and explanations.
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Correct Answer: A. Polymerisation shrinkage
Explanation:
Polymerisation shrinkage is volume reduction occurring when resin monomers form a polymer network.
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Correct Answer: C. Creep
Explanation:
Creep is time-dependent deformation of a material under a constant load.
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Correct Answer: A. Galvanic corrosion
Explanation:
Galvanic corrosion is electrochemical reaction between dissimilar metals in an electrolyte such as saliva.
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Correct Answer: A. Zinc phosphate cement
Explanation:
Zinc phosphate cement is a traditional luting cement that does not chemically bond to tooth structure.
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Correct Answer: B. Resin-modified glass ionomer
Explanation:
Resin-modified glass ionomer is a hybrid material combining an acid-base reaction with resin polymerisation.
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Correct Answer: B. Creep
Explanation:
Creep is time-dependent deformation of a material under a constant load.
Choose an option to check your answer.
Correct Answer: A. Galvanic corrosion
Explanation:
Galvanic corrosion is electrochemical reaction between dissimilar metals in an electrolyte such as saliva.
Choose an option to check your answer.
Correct Answer: C. Zinc phosphate cement
Explanation:
Zinc phosphate cement is a traditional luting cement that does not chemically bond to tooth structure.
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Correct Answer: D. Polymerisation shrinkage
Explanation:
Polymerisation shrinkage is volume reduction occurring when resin monomers form a polymer network.
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Correct Answer: A. Composite resin
Explanation:
Composite resin is a tooth-coloured resin matrix reinforced with inorganic filler particles.
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Correct Answer: D. Glass ionomer cement
Explanation:
Glass ionomer cement is a material formed by an acid-base reaction that can chemically bond to tooth and release fluoride.
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Correct Answer: D. Alginate
Explanation:
Alginate is an irreversible hydrocolloid commonly used for preliminary dental impressions.