Glass Ionomer Dental Material Lecture
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Questions and Answers

What is the composition of the powder component of glass ionomer?

  • Strontium chloride, barium sulfate, fluoride
  • Sodium chloride, potassium nitrate, magnesium oxide
  • Calcium fluro alumino silicate glass, silica, alumina, aluminum fluoride, calcium fluoride, sodium fluoride, aluminum phosphate (correct)
  • Calcium carbonate, aluminum sulfate, silica

    • Who introduced the tooth colored material, glass ionomer?

  • Lee & Robinson
  • Smith & Johnson
  • Brown & Miller
  • Wilson & Kent (correct)

    • What is the setting reaction of glass ionomer based on?

  • Precipitation reaction
  • Acid base reaction (correct)
  • Hydrolysis reaction
  • Oxidation reduction reaction

    • What is the function of tartaric acid in glass ionomer?

    <p>Improves handling characteristic &amp; increase working time (C)</p> Signup and view all the answers

    What is the role of fluoride in the powder component of glass ionomer?

    <p>Release fluoride for relatively long period (C)</p> Signup and view all the answers

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