Dental Anatomy: Enamel
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Questions and Answers

What is the chief inorganic content of enamel?

  • Hydroxyapatite crystals (correct)
  • Trace elements
  • Carbonates
  • Soluble proteins
  • Which organic substance is predominantly found in immature enamel?

  • Glycine
  • Glutamic acid (correct)
  • Serine
  • Amino acids
  • What type of pattern do enamel rods have?

  • Triangle
  • Horseshoe (correct)
  • Circular
  • Square
  • What is the core center of the enamel rod sheath comprised of?

    <p>Enamel proteins</p> Signup and view all the answers

    What gives enamel rods the appearance of being segmented in sections cut along their longitudinal axis?

    <p>TRANSVERSE STRIATION</p> Signup and view all the answers

    What substance cements the enamel rods together?

    <p>Interrod enamel</p> Signup and view all the answers

    Why is enamel considered the hardest biologic tissue in the human body?

    <p>It has a high mineral content making it extremely hard.</p> Signup and view all the answers

    What prevents enamel from being too brittle and subject to fracture?

    <p>Its high mineral content</p> Signup and view all the answers

    What aspect of enamel gives it a white to grayish-white appearance?

    <p>Its high mineral content</p> Signup and view all the answers

    Why does the underlying dentin affect the color of enamel?

    <p>The yellowish color of dentin shining through enamel</p> Signup and view all the answers

    What property allows stains to enter enamel from both the outside and from the pulp?

    <p>The permeability of enamel to a limited extent</p> Signup and view all the answers

    What is the main reason underlying dentin is essential for maintaining enamel integrity?

    <p>To provide resilience and prevent enamel brittleness</p> Signup and view all the answers

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