Crown & Bridge Burnout Procedure Quiz
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Questions and Answers

What is the purpose of the burnout procedure in casting?

  • To create a mold cavity by vaporizing traces of wax and plastic material (correct)
  • To increase the moisture content in the ring
  • To cool down the invested ring for easy removal
  • To prevent expansion in the investment
  • What temperature is the final burnout procedure typically heated to?

  • 480-650°C (correct)
  • 200-300°C
  • 700-800°C
  • 100-150°C
  • Why should the position of the ring be in the center of the oven during the burnout procedure?

  • To avoid heating the investment material
  • To prevent vaporization of wax
  • To speed up the burnout process
  • To ensure uniform heating and consistent atmosphere around the ring (correct)
  • What may happen if the burnout temperature increases too rapidly?

    <p>Cracking of the investment and distortion of the mold cavity</p> Signup and view all the answers

    What is one advantage of the burnout procedure?

    <p>Elimination of moisture or water from the ring</p> Signup and view all the answers

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