Requirements of a Clasp Assembly in Preclinical Prosthodontics IV
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Questions and Answers

What component provides the greatest resistance to apical displacement in a clasp assembly?

  • Cingula of maxillary canines
  • Reciprocal element
  • Shoulder of retentive clasp
  • Rest (correct)

    • Which quality of a clasp assembly resists displacement of a prosthesis in an apical direction?

  • Stability (correct)
  • Reciprocation
  • Retention
  • Encirclement

    • What is the main function of a properly prepared rest seat?

  • Transmit functional forces perpendicular to the long axes
  • Encircle the abutment teeth
  • Resist displacement toward the abutments (correct)
  • Provide stability to the prosthesis

    • Where are rest seats primarily located?

    <p>Occlusal surfaces of premolars &amp; molars</p> Signup and view all the answers

    What do rest seats transmit parallel to the long axes of the abutments?

    <p>Functional forces</p> Signup and view all the answers

    In order to achieve effective support, what is essential for the rest?

    <p>Positively seated in a prepared rest seat</p> Signup and view all the answers

    What is the quality of a clasp assembly that resists displacement of a prosthesis in a horizontal direction?

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

    Which component does not effectively contribute to the stability of a prosthesis within a clasp assembly?

    <p>Retentive clasp terminus</p> Signup and view all the answers

    Where should the reciprocal clasp arm ideally be located on the lingual surface of the abutment?

    <p>Near the junction of the middle &amp; gingival thirds of the tooth</p> Signup and view all the answers

    What quality of a clasp assembly counteracts lateral displacement of an abutment when the retentive clasp terminus passes over the height of contour?

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

    Why must lateral forces be offset by components of a clasp assembly?

    <p>To prevent harm to periodontal tissues</p> Signup and view all the answers

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