Rubber base impressions are poured immediately as they_______________?
Correct answer: A. Continue to polymerize
- A. Continue to polymerize
- B. Become elastic
- C. Show imbibition and syneresis
- D. Show gelation
Explanation
Rubber base impressions should be poured promptly because polymerization and continued dimensional change can produce shrinkage and distortion. Their elasticity is necessary for removal but is not the reason for immediate pouring.
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Practise Impression Materials
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