Master Dental Materials
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Questions and Answers

What is the main reason why zinc oxide eugenol should not be placed under composite resin?

  • It causes an allergic reaction
  • It causes tooth sensitivity
  • It reduces the bond strength of composite resin
  • It inhibits the polymerization reaction of composite resin (correct)
  • What is the main difference between the effects of zinc oxide eugenol and calcium hydroxide?

  • Zinc oxide eugenol relieves pain, while calcium hydroxide stimulates the formation of reparative dentin (correct)
  • Zinc oxide eugenol and calcium hydroxide both stimulate the formation of reparative dentin
  • Zinc oxide eugenol and calcium hydroxide both relieve pain
  • Zinc oxide eugenol stimulates the formation of reparative dentin, while calcium hydroxide relieves pain
  • Why is TheraCal not the first choice as direct pulp capping compared to other calcium silicate-based cements?

  • It is more expensive
  • It is less biocompatible (correct)
  • It has a shorter setting time
  • It does not contain calcium hydroxide
  • What is the main difference between the effects of zinc oxide eugenol and calcium hydroxide?

    <p>Zinc oxide eugenol relieves pain, while calcium hydroxide stimulates the formation of reparative dentin.</p> Signup and view all the answers

    Why should zinc oxide eugenol not be placed under composite resin?

    <p>It inhibits the polymerization reaction of composite resin.</p> Signup and view all the answers

    Which of the following calcium silicate-based cements is NOT recommended for direct pulp capping?

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

    What is the main difference between zinc oxide eugenol and calcium hydroxide?

    <p>Zinc oxide eugenol inhibits the polymerization reaction of composite resin, while calcium hydroxide stimulates the formation of reparative dentin</p> Signup and view all the answers

    Why is theraCal not the first choice as direct pulp capping?

    <p>It contains resin, which makes it less biocompatible</p> Signup and view all the answers

    Why are zinc oxide eugenol and calcium hydroxide not used as cement base and permanent cementation?

    <p>They have low strength and high solubility</p> Signup and view all the answers

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