The major component of zinc phosphate cement is_____________?
Correct answer: D. Zinc oxide
- A. None of the above
- B. Phosphoric acid
- C. Zinc
- D. Zinc oxide
Explanation
Zinc phosphate cement powder is composed mainly of zinc oxide, with smaller amounts of magnesium oxide and other modifiers. Phosphoric acid is the principal component of the liquid, not the cement powder.
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Practise Dental Cements
61 free Dental Cements MCQs from Dental Materials, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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