Dental Impressions and Casts
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Questions and Answers

What is the primary purpose of taking impressions in dentistry?

  • To create a prescription for the patient
  • To create a model for the laboratory technician
  • To facilitate communication between the dentist and the patient
  • To create a record of the patient's teeth (correct)
  • What type of impression material is alginate?

  • Irreversible hydrocolloid (correct)
  • Polyether
  • Addition silicone
  • Reversible hydrocolloid
  • What is the ideal depth for an alginate impression tray?

  • 3mm (correct)
  • 5mm
  • 2mm
  • 4mm
  • How should the patient's mouth be prepared before taking an impression?

    <p>Clean the mouth and dry the teeth</p> Signup and view all the answers

    What is the purpose of using a wax syringe in impression taking?

    <p>To fill undercuts in the impression</p> Signup and view all the answers

    What should be done to the impression immediately after removal from the patient's mouth?

    <p>Rinse with water</p> Signup and view all the answers

    What is the recommended humidity level for storing alginate impressions?

    <p>100% humidity</p> Signup and view all the answers

    What is the purpose of reviewing the impression after removal?

    <p>All of the above</p> Signup and view all the answers

    What is the recommended protocol for disinfecting impressions according to HTM 01-05?

    <p>Disinfect with a disinfectant and then rinse</p> Signup and view all the answers

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