What causes the rough surface of elastomeric impression? (Two answers correct) A. Inadequate mixing B. Air bubbles C. Too rapid polymerization D. Incomplete polymerization caused b... What causes the rough surface of elastomeric impression? (Two answers correct) A. Inadequate mixing B. Air bubbles C. Too rapid polymerization D. Incomplete polymerization caused by premature removal from mouth
Understand the Problem
The question is asking what causes the rough surface of elastomeric impressions, and it requires selecting two correct answers from the provided options. This is related to the field of dentistry and materials science.
Answer
Air bubbles and incomplete polymerization caused by premature removal.
The rough surface of elastomeric impressions is typically caused by air bubbles and incomplete polymerization due to premature removal from the mouth.
Answer for screen readers
The rough surface of elastomeric impressions is typically caused by air bubbles and incomplete polymerization due to premature removal from the mouth.
More Information
Air bubbles can become trapped during the mixing or handling of the impression material, leading to a rough texture. Incomplete polymerization happens when the material is not allowed enough time to set properly, often due to being removed too soon.
Tips
A common mistake is not properly mixing the impression material, which can introduce air bubbles and impact the polymerization process.
Sources
- Rough surface of elastomeric impression results ... - PakMcqs - pakmcqs.com
- Elastic impression materials/endodontic courses - SlideShare - slideshare.net
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