Rough surface of elastomeric impression results from_______________?
Correct answer: C. Incomplete polymerization caused by premature removal from mouth
- A. Inadequate mixing
- B. Air bubbles
- C. Incomplete polymerization caused by premature removal from mouth
- D. Too rapid polymerization
Explanation
Premature removal can leave the elastomer incompletely polymerized and produce a rough or defective impression surface. Properly waiting for complete setting helps prevent this surface irregularity.
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Practise Impression Materials
102 free Impression Materials MCQs from Dental Materials, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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