Dentistry Rest and Rest Seat Definitions
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Questions and Answers

What is the function of a dental rest in preventing extrusion of unopposed abutment teeth?

  • Maintaining occlusion (correct)
  • Increasing VDO
  • Establishing acceptable occlusal plane
  • Directing the force axially along the long axes of teeth
  • In what way does a dental rest contribute to preventing food impaction?

  • Maintaining occlusion
  • Increasing VDO
  • Establishing acceptable occlusal plane
  • Close the gap between adjacent teeth (correct)
  • What additional function does an onlay rest have, according to the text?

  • Increasing VDO
  • Maintaining correct location of the denture in rebasing or relining
  • Sharing in horizontal stabilization
  • Alteration of cusp height & angles (correct)
  • Which type of partially edentulous arches do dental rests act as indirect retainers for?

    <p>Kennedy Class I, II, and long-span IV</p> Signup and view all the answers

    What is the primary requirement for the placement of a dental rest?

    <p>Directing the force axially along the long axes of teeth</p> Signup and view all the answers

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