Dental Enamel and Its Characteristics
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Questions and Answers

What is the primary chemical composition of enamel?

  • Lead and strontium ions
  • Fluoride ions replacing hydroxyl group
  • Magnesium ions
  • Hydroxyapatite crystals composed of calcium phosphate (correct)

    • What is the impact of fluoride application by the dentist to the outer surface of enamel?

  • It induces pain sensation
  • It decreases mineralization
  • It provides more resistance to decay (correct)
  • It increases acid solubility

    • What is the role of enamel in conducting thermal or electrical changes?

  • Enamel is a good conductor of thermal and electrical changes
  • Enamel has no impact on thermal or electrical conductivity
  • Enamel acts as an isolator and can't conduct any thermal or electrical changes (correct)
  • Enamel amplifies thermal and electrical changes

    • How does the inorganic content of enamel contribute to its structure?

    <p>Inorganic content represents 96% by weight and forms hydroxyapatite crystals</p> Signup and view all the answers

    What is the effect of fluoride compounds on the acid solubility of enamel?

    <p>The acid solubility of enamel can be greatly reduced by treatment with fluoride compounds</p> Signup and view all the answers

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