Periodontal Ligament
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Periodontal Ligament

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@SaneBlackTourmaline

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Questions and Answers

What is the thickness range of the periodontal ligament space in humans?

  • 0.20 to 0.50 mm
  • 0.15 to 0.38 mm (correct)
  • 0.40 to 0.60 mm
  • 0.10 to 0.30 mm
  • What appears as a radiolucent area between the radiopaque lamina dura and the radiopaque cementum on radiographs?

  • Periodontal ligament (correct)
  • Dental pulp
  • Alveolar bone proper
  • Gingiva
  • Which cells are NOT found in the periodontal ligament?

  • Fibroblasts
  • Osteoblasts (correct)
  • Epithelial cell rests of Malassez
  • Inflammatory cells
  • What is the PDL continuous with at the apical foramen?

    <p>Dental pulp</p> Signup and view all the answers

    Which term was previously used for the periodontal ligament?

    <p>&quot;Desmodont&quot;</p> Signup and view all the answers

    Study Notes

    Periodontal Ligament Characteristics

    • The thickness range of the periodontal ligament (PDL) space in humans is 0.15-0.38 mm.
    • The PDL appears as a radiolucent area between the radiopaque lamina dura and the radiopaque cementum on radiographs.

    Periodontal Ligament Composition

    • Certain cells are not found in the periodontal ligament.

    Periodontal Ligament Continuity

    • The PDL is continuous with the periapical tissue at the apical foramen.

    Historical Terminology

    • The periodontal ligament was previously referred to as the periodontal membrane.

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    Description

    Test your knowledge about the periodontal ligament (PDL), its structure, and functions with this quiz.

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