CAD/CAM Technology in Dentistry
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Questions and Answers

What is a disadvantage of CAD/CAM technology?

  • Automatic determination of path of insertion
  • Virtual pattern making
  • Rapid elimination of undercuts
  • High current costs (correct)
  • Which feature of CAD/CAM technology reduces the complexity and technical sensitivity?

  • Automatic determination of path of insertion
  • Ability to recall and change design
  • Reduction of steps in chair-side and lab work (correct)
  • Rapid elimination of undercuts
  • What is an advantage of the digital over traditional technique mentioned in the text?

  • Improved health and safety features (correct)
  • Less porosity in denture base
  • Automatic determination of path of insertion
  • Ability to recall and change design
  • What can be stored in a library and 'dragged and dropped' in place on a scanned and digitally surveyed cast from icons appearing on the screen, according to the text?

    <p>Components of RPD</p> Signup and view all the answers

    What does CAD/CAM technology eliminate, resulting in a superior fit of the denture base?

    <p>Polymerization shrinkage of the resin</p> Signup and view all the answers

    Which aspect of CAD/CAM technology is responsible for the elimination of polymerization shrinkage and the superior fit of the denture base?

    <p>Application of fifty times the conventional processing pressure</p> Signup and view all the answers

    What is a potential disadvantage of using CAD/CAM technology according to the text?

    <p>High current costs</p> Signup and view all the answers

    How does CAD/CAM technology contribute to reducing the steps of both chair-side and lab work, saving time?

    <p>By eliminating polymerization shrinkage</p> Signup and view all the answers

    What feature of CAD/CAM technology allows for the storage and 'dragging and dropping' of components onto a digitally surveyed cast?

    <p>Virtual pattern making carried out in a much faster time than current techniques</p> Signup and view all the answers

    What advantage does the digital over traditional technique offer according to the text?

    <p>Improved health and safety features</p> Signup and view all the answers

    What precaution should be taken to avoid deformation of hydrocolloid impressions?

    <p>Place the impression in a humid atmosphere or wrap in a damp paper towel</p> Signup and view all the answers

    What is the consequence of exposing hydrocolloid impressions to air?

    <p>Rapid dehydration and shrinkage</p> Signup and view all the answers

    Why is it important to hold the tray immobile during gelation of hydrocolloid impressions?

    <p>To prevent internal stresses and achieve an accurate impression</p> Signup and view all the answers

    How can the retarding effect of mucinous exudate on gypsum products be prevented?

    <p>Immersing the impression in a hardening solution (2% Potassium sulfate) for a few minutes</p> Signup and view all the answers

    Why should hydrocolloid impressions not be immersed in water?

    <p>To avoid imbibition and expansion</p> Signup and view all the answers

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