Dental Bleaching Methods
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Questions and Answers

What is the primary purpose of bleaching in dentistry?

  • To restore the shape of the tooth
  • To remove plaque and tartar from the tooth surface
  • To reduce the pulp size
  • To oxidize certain coloring organic compounds to render them colorless (correct)

    • What is the role of the oxidizing agent in the oxidation-reduction reaction during bleaching?

  • To accept electrons from the tooth
  • To donate free radicals with unpaired electrons to the tooth (correct)
  • To provide electrons to the tooth
  • To reduce the tooth's color

    • What type of bleaching is used for teeth with vital pulps?

  • Root canal treatment
  • Intra-coronal bleaching
  • Extra-coronal bleaching (correct)
  • Vital pulpotomy

    • What is the concentration of hydrogen peroxide typically used in in-office bleaching?

    <p>30-35% hydrogen peroxide</p> Signup and view all the answers

    What is the effect of heat application on the bleaching process?

    <p>It accelerates the bleaching process</p> Signup and view all the answers

    What is the other name for extra-coronal bleaching?

    <p>Vital bleaching</p> Signup and view all the answers

    What is the alternative to hydrogen peroxide in in-office bleaching?

    <p>Carbamide peroxide</p> Signup and view all the answers

    What is the purpose of the reducing agent in the oxidation-reduction reaction during bleaching?

    <p>To accept electrons from the tooth</p> Signup and view all the answers

    What is the type of bleaching that involves the use of a resin luting cement?

    <p>Indirect veneering</p> Signup and view all the answers

    What is the duration of the in-office bleaching application?

    <p>10 minutes</p> Signup and view all the answers

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