Gutta Percha Properties
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Questions and Answers

What is the crystalline form of commercial gutta-percha at room temperature?

  • Beta (correct)
  • Alpha
  • Amorphous
  • Gamma

    • At what temperature range does beta form gutta-percha transition into the alpha phase?

  • 42°C to 49°C (correct)
  • 30°C to 35°C
  • 60°C to 65°C
  • 50°C to 55°C

    • What happens to alpha phase gutta-percha when heated above 53°C to 59°C?

  • It transitions into the amorphous phase (correct)
  • It transitions into the beta phase
  • It remains in the alpha phase
  • It sublimates

    • What is the phase of gutta-percha that has no crystalline structure?

    <p>Amorphous</p> Signup and view all the answers

    How many crystalline forms of gutta-percha are mentioned in the text?

    <p>2</p> Signup and view all the answers

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