Insufficient closure of the flasks during packing of denture base resin can result in_____________?
Correct answer: C. Increase in vertical dimension
- A. Poor colour stability
- B. Less polymerization shrinkage
- C. Increase in vertical dimension
- D. Decrease in vertical dimension
Explanation
Incomplete flask closure leaves excess resin or prevents complete seating of the trial closure, so the denture base and teeth remain slightly apart. This increases the processed denture's vertical dimension.
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