Rough and irregular surface produced on the impression is because of ?
Correct answer: A. Too rapid polymerization
- A. Too rapid polymerization
- B. Air incorporated during mixing
- C. Improper application of pressure during impression making
- D. Presence of moisture in impression area
Explanation
If an impression material polymerizes too rapidly, it cannot flow and adapt smoothly to the oral tissues, producing a rough or irregular surface. Air incorporation mainly produces localized voids or bubbles rather than a uniformly rough surface.
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