Free Impression Materials MCQs with Answers
102 Impression Materials MCQs from Dental Materials, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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102 questions · page 6 of 6
- A. Cold
- B. Chemical reaction
- C. Heat
- D. Pressure
Explanation: Zinc oxide-eugenol impression paste hardens through a chemical chelation reaction that forms zinc eugenolate.
Correct answer: Chemical reaction- A. Plaster of paris
- B. Anti - expansion solution
- C. Soluble plaster
- D. Die stones
Explanation: Potato starch is added to impression plaster to make it soluble, allowing the impression to be removed more easily from the cast.
Correct answer: Soluble plaster