Question 66 · LDEK · Impressions and impression materials
What is the function of calcium sulfate used in hydrocolloidal alginate impression materials?
- A. inhibits the setting time.
- B. enables the transformation from sol to insoluble gel.
- C. acts as filler.
- D. is the main constituent of the impression material.
- E. provides color, taste and scent.
Hint
Think about which component supplies the ions that cross-link the soluble alginate.
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