Dental Cements2
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Questions and Answers

What is the purpose of breaking the seal separating powder and liquid when manipulating Glass Ionomer Cement in capsule form?

  • To ensure proper proportions for mixing (correct)
  • To mix the powder and liquid manually
  • To activate the chemical bonding to enamel and dentin
  • To start the setting reaction
  • Which feature of Resin Cements makes them suitable for cementation of inlays, crowns, and other dental appliances?

  • High fracture resistance
  • Water sensitivity during setting phase
  • Chemical bonding to enamel and dentin (correct)
  • Low wear resistance
  • What is a disadvantage of Unfilled resin cements, which are not commonly used today?

  • High fracture resistance
  • Improved moisture control during manipulation (correct)
  • Low wear resistance
  • Excellent color matching with teeth
  • Why are Capsules used for the manipulation of Glass Ionomer Cement?

    <p>To facilitate pre-proportioned P:L ratio</p> Signup and view all the answers

    What is the purpose of a Cavity Varnish in restorative dentistry?

    <p>To form a protective barrier against chemical irritants</p> Signup and view all the answers

    Why is Calcium Hydroxide used under amalgam restorations?

    <p>To neutralize acidity of silicate and zinc phosphate cements</p> Signup and view all the answers

    What happens when Calcium Hydroxide is exposed to the oral environment?

    <p>It dissolves due to its high strength</p> Signup and view all the answers

    What is the primary role of a Cavity Liner in restorative dentistry?

    <p>To be used under composite restorations</p> Signup and view all the answers

    What is the traditional classification of Glass Ionomer Cements based on?

    <p>Use in dentistry</p> Signup and view all the answers

    How should Glass Ionomer Cement be manipulated for optimal performance?

    <p>Mixing should be completed within 40-60 sec</p> Signup and view all the answers

    Which type of Glass Ionomer Cement is used for fissure sealants?

    <p>Type IV</p> Signup and view all the answers

    What indicates the end of the working time and the start of the setting reaction for Glass Ionomer Cement?

    <p>Loss of gloss on the cement surface</p> Signup and view all the answers

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