Restorative & Materials · single question

You receive two poor-quality images, a crown preparation on a cast and a silicone impression, both clinically unacceptable. What should you do?

  1. Remake the impression
  2. Pour another stone model from the same bad impression
  3. Resend the same impression and model to the lab
  4. Ask the lab to adjust it
Show answer and explanation

Correct answer: A. Remake the impression

  • A. CORRECT. An unacceptable impression cannot yield an accurate restoration, so it must be remade.
  • B. INCORRECT. Pouring again from a flawed impression reproduces the same errors.
  • C. INCORRECT. Sending defective records to the lab perpetuates the problem.
  • D. INCORRECT. The lab cannot correct inaccuracies built into a bad impression.

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