Histology of dentine medium
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Questions and Answers

What is the primary function of dentine in teeth?

  • To enhance the aesthetic appearance of teeth
  • To produce saliva for digestion
  • To facilitate the movement of the jaw
  • To provide structural support and protect the pulp (correct)
  • Which type of dentine is formed in response to dental caries?

  • Secondary dentine
  • Tertiary dentine (correct)
  • Primary dentine
  • Enamel dentine
  • What embryonic origin do dentine-forming cells derive from?

  • Ectoderm cells
  • Endoderm cells
  • Neural crest cells (correct)
  • Mesoderm cells
  • Which tissue is considered the bulk of the tooth?

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

    How is secondary dentine different from primary dentine?

    <p>Secondary dentine is formed after tooth development</p> Signup and view all the answers

    What is the clinical significance of understanding dentine structure?

    <p>To improve identification and treatment of dental issues</p> Signup and view all the answers

    Which type of dentine is characterized by its irregular formation and response to stimuli?

    <p>Tertiary dentine</p> Signup and view all the answers

    What role does dentine play in the management of dental hypersensitivity?

    <p>It serves as a barrier against external stimuli</p> Signup and view all the answers

    What distinguishes tertiary dentine from other types of dentine?

    <p>It forms only under pathological conditions</p> Signup and view all the answers

    Which of the following is NOT a type of dentine?

    <p>Coronal dentine</p> Signup and view all the answers

    Study Notes

    Dentine Structure and Composition

    • Dentine is the primary component of a tooth, located beneath enamel and surrounding the pulp.
    • Dentinogenesis is the formation of dentine, a process involving odontoblasts.
    • Odontoblasts are derived from ectomesenchyme cells, which in turn originate from neural crest cells.
    • The structure of dentine plays a crucial role in its function, influencing sensitivity, adhesion potential, and resilience to decay and damage.
    • Understanding dentine's properties is vital in dental diagnostics, treatment planning, and patient management.

    Types of Dentine

    • Primary Dentine is formed during tooth development and accounts for the main bulk of the tooth.
    • Secondary Dentine is produced after tooth eruption, slowly adding to the dentine throughout life.
    • Tertiary Dentine forms as a response to injury or irritation of the pulp, acting as a protective barrier.

    Clinical Significance of Dentine

    • Knowledge of dentine aids in identifying dental caries, assessing tooth sensitivity, and interpreting radiographic images.
    • It guides the choice of restorative materials, bonding techniques, and treatment options.
    • Understanding the relationship between dentine and pulp health is critical in managing dental pathologies and facilitating pulp repair.

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    Description

    This quiz covers the structure and types of dentine, including primary, secondary, and tertiary dentine. It also emphasizes the clinical significance of dentine in dental diagnostics and treatment. Understanding dentine is essential for effective dental practice and patient management.

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