Which cement is irritating to the pulp ?
Correct answer: C. Zinc phosphate
- A. Carboxylate cement
- B. Zinc oxide-eugenol cement
- C. Zinc phosphate
- D. Ethoxybenzoic acid
Explanation
Zinc phosphate cement is initially acidic because of its phosphoric acid liquid, so it may irritate the pulp, especially in deep cavities without a liner. Polycarboxylate and ZOE cements are generally more pulp-friendly.
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