periodentine 2
30 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the function of the periodontal ligament during tooth occlusion?

  • A cushion (correct)
  • A pressure sensor
  • A tooth anchor
  • A bone stimulator

    • What type of cell is responsible for producing and maintaining collagen fiber bundles in the PDL?

  • Osteoblast
  • Fibrocyte
  • Fibroblast (correct)
  • Osteoclast

    • What is the role of the nerves in the PDL?

  • To stimulate bone resorption
  • To regulate tooth movement
  • To stimulate bone growth
  • To provide sensation during tooth occlusion (correct)

    • What is the mechanism by which teeth can gradually move through the jaw?

    <p>Pressure on the leading side of the tooth initiating bone resorption</p> Signup and view all the answers

    What is involved in the transmission of sensory information from the PDL to the brain?

    <p>Mandibular and maxillary branches of the trigeminal nerve</p> Signup and view all the answers

    How can the orientations of PDL fiber bundles be visualized?

    <p>With special histological stains and crosspolarized light</p> Signup and view all the answers

    What type of fibers are present in the periodontal ligament (PDL)?

    <p>Type I, III, and XII</p> Signup and view all the answers

    What is the primary function of the periodontal ligament (PDL) during occlusion?

    <p>Acting as a cushion</p> Signup and view all the answers

    What is the role of fibroblasts in the periodontal ligament (PDL)?

    <p>Producing and maintaining collagen fiber bundles</p> Signup and view all the answers

    What is the primary function of the periodontal ligament (PDL) in relation to tooth drift?

    <p>Playing a key role in tooth drift</p> Signup and view all the answers

    What is the periodontal ligament (PDL) anchored to?

    <p>Cementum and alveolar bone</p> Signup and view all the answers

    What is the significance of the periodontal ligament (PDL) in regenerative or orthodontic therapies?

    <p>It is a highly dynamic, constantly changing tissue</p> Signup and view all the answers

    What can contribute to an imbalance in the processes of hard tissue removal and deposition around the PDL?

    <p>Trauma, infection/disease, and other factors</p> Signup and view all the answers

    What can excessive resorption of the alveolar bone and cementum lead to?

    <p>All of the above</p> Signup and view all the answers

    What is a consequence of severe imbalances in hard tissue removal and deposition around the PDL?

    <p>Tooth loss</p> Signup and view all the answers

    What is the term for the fusion of teeth to the jawbone?

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

    What is a reflection of the various functions of the PDL?

    <p>The cellular and molecular structure of the periodontal ligament</p> Signup and view all the answers

    What is described as an imbalance in the processes of hard tissue removal and deposition around the PDL?

    <p>Resorption and deposition</p> Signup and view all the answers

    What is the primary function of the periodontal ligament in relation to the tooth?

    <p>To hold the tooth in its alveolus</p> Signup and view all the answers

    What is the typical width of the periodontal ligament (PDL) space in an 11-16 year old?

    <p>0.21mm</p> Signup and view all the answers

    What is the periodontal ligament composed of?

    <p>Fibrous connective tissue</p> Signup and view all the answers

    What appears as a dark region between the tooth and socket in radiographs?

    <p>The periodontal ligament (PDL)</p> Signup and view all the answers

    What is the name of the tissue that supports and anchors the tooth into the jaws?

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

    What is the significance of the developmental origins of the periodontal tissues?

    <p>They originate from the teeth</p> Signup and view all the answers

    What cell type is responsible for producing new cementum?

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

    What is the main function of stem cells in the periodontal ligament?

    <p>To produce new periodontal cells for repair and regeneration</p> Signup and view all the answers

    What is the normal function of the periodontal ligament in terms of hard tissue?

    <p>Maintaining a balance between resorption and deposition</p> Signup and view all the answers

    What is one of the functions of the periodontal ligament?

    <p>A reservoir of periodontal cells</p> Signup and view all the answers

    Which of the following cell types is NOT found in the periodontal ligament?

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

    What is the current state of research on the role of the periodontal ligament in tooth eruption?

    <p>Research is ongoing to determine the PDL's role in tooth eruption</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser