Complete Denture Third Stage Procedure Quiz
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Questions and Answers

What is the primary cause of gaseous porosity in heat-cured acrylics?

  • Addition of too much powder to the dough
  • Insufficient curing time
  • Exceeding the boiling point of the monomer (correct)
  • Cooling the flask too quickly

    • How can gaseous porosity in heat-cured acrylics be minimized?

  • Increasing the temperature rapidly during curing
  • Holding a long curing period at 70°C (correct)
  • Adding more monomer to the dough
  • Decreasing the curing period

    • What is the consequence of restricting dimensional changes during cooling?

  • Warpage
  • Crazing
  • Distortion
  • All of the above (correct)

    • Which factor helps in minimizing strains during cooling of the flask?

    <p>Using a slow cooling process</p> Signup and view all the answers

    What is the key to achieving variations in processing times without affecting quality in modern heat-cured acrylics?

    <p>Maintaining the correct powder/liquid ratio</p> Signup and view all the answers

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