periodentine 2

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 (A)</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 (B)</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 (A)</p> Signup and view all the answers

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

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

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

<p>Acting as a cushion (C)</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 (A)</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 (D)</p> Signup and view all the answers

What is the periodontal ligament (PDL) anchored to?

<p>Cementum and alveolar bone (A)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>All of the above (D)</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 (C)</p> Signup and view all the answers

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

<p>Dental ankylosis (C)</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 (D)</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 (C)</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 (C)</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 (A)</p> Signup and view all the answers

What is the periodontal ligament composed of?

<p>Fibrous connective tissue (B)</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) (C)</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 (B)</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 (A)</p> Signup and view all the answers

What cell type is responsible for producing new cementum?

<p>Cementoblasts (B)</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 (C)</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 (A)</p> Signup and view all the answers

What is one of the functions of the periodontal ligament?

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

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

<p>Chondrocytes (B)</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 (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

More Like This

Use Quizgecko on...
Browser
Browser