Immediate pouring of impressions is most critical in_____________?
Correct answer: A. Condensation polysillicon
- A. Condensation polysillicon
- B. Addition Polysilicon
- C. Polyether
- D. A and B
Explanation
Immediate pouring is most critical with condensation silicone because its setting reaction releases volatile ethyl alcohol, causing progressive dimensional shrinkage. Addition silicone is considerably more dimensionally stable after setting.
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