DEN203 Jaw Relations in Prosthetic Dentistry II
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Questions and Answers

What does the term 'vertical dimension' refer to?

  • The width of the face
  • The length of the face (correct)
  • The curvature of the face
  • The depth of the face

    • What acts as a vertical stop in maintaining the vertical dimension?

  • Jawbone
  • Palate
  • Tooth (correct)
  • Gum tissue

    • What is referred to as 'Vertical dimension of rest or physiologic rest position'?

  • VDR (correct)
  • VDO
  • TMJ
  • Mandibular movements

    • What happens if the vertical dimension is altered?

    <p>Severe discomfort in both TMJ and muscles of mastication occurs</p> Signup and view all the answers

    What maintains the vertical dimension?

    <p>Occlusion of the teeth or balanced tonic contraction of mandibular muscles</p> Signup and view all the answers

    What does VDO stand for?

    <p>Vertical Dimension of Occlusion</p> Signup and view all the answers

    What does VDR stand for?

    <p>Vertical Dimension of Rest Position</p> Signup and view all the answers

    What tends to be in a state of minimal tonic contraction in terms of musculature related to jaw relations?

    <p>Opening and closing muscles</p> Signup and view all the answers

    What will happen if the joint is not measured accurately?

    <p>The joint will be strained.</p> Signup and view all the answers

    Which factor is related to a patient's esthetical appearance according to jaw relations?

    <p>Vertical Dimension (VD)</p> Signup and view all the answers

    What is the physiologic rest position of the mandible?

    <p>Position where the muscles are in equilibrium and the condyles are in a neutral unstrained position</p> Signup and view all the answers

    What is the interocclusal distance (IOD) frequently referred to as?

    <p>Free way space</p> Signup and view all the answers

    What happens when there is an increase in Vertical Dimension of Occlusion (VDO) / decrease in IOD?

    <p>Chin-nose distance increases and patients have an appearance of open mouth</p> Signup and view all the answers

    What is potentially damaging to the temporomandibular joint (TMJ)?

    <p>Decrease in VDO / Increase in IOD</p> Signup and view all the answers

    What is Centric Relation (CR) defined as?

    <p>&quot;A maxillomandibular relationship in which the condyles articulate with the thinnest avascular portion of their respective disks&quot;</p> Signup and view all the answers

    What does Centric Occlusion refer to?

    <p>A tooth to tooth relation providing maximum intercuspidation</p> Signup and view all the answers

    What is the purpose of recording centric relation?

    <p>It provides a repeatable and recordable guide for developing centric occlusion in complete dentures</p> Signup and view all the answers

    What is Horizontal Jaw Relation also known as?

    <p>Centric relation</p> Signup and view all the answers

    What does Horizontal Jaw Relation refer to?

    <p>Relationship of mandible to maxilla in antero-posterior direction</p> Signup and view all the answers

    What does Reference Relation provide?

    <p>A more definite position than vertical relation, independent of tooth contact.</p> Signup and view all the answers

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