pH of fully set zinc phosphate______________?
Correct answer: C. 6-7
- A. 3-4
- B. 4-5
- C. 6-7
- D. 7-8
Explanation
Although freshly mixed zinc phosphate cement is strongly acidic, its acidity decreases as it sets, reaching approximately pH 6 to 7 when fully set. This is why pulpal irritation is mainly a concern during early setting.
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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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