Which of the following cements is most kind to pulp ?
Correct answer: B. Polycarboxylate
- A. Glass ionomer
- B. Polycarboxylate
- C. Silicate
- D. Resin cement
Explanation
Polycarboxylate cement is considered especially kind to the pulp because its polyacrylic acid molecules are large and penetrate dentinal tubules poorly. Silicate cement is strongly irritating, while resin cement may cause irritation if inadequately polymerised.
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