Dental Series Pre-Clinical Operative Dentistry Quiz
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Questions and Answers

What is the primary function of H+ ions in the provided process?

  • To neutralize the AS in the reaction
  • To react with calcium ions to form a byproduct
  • To attack calcium ions and form a new compound
  • To break down alumino-silicate particles (correct)

    • What is the significance of Ca++ ions in the reaction?

  • They are catalysts that speed up the reaction
  • They are a byproduct of the reaction with alumino-silicate particles
  • They react with H+ ions to form a byproduct (correct)
  • They are inert and do not participate in the reaction

    • What is the role of AS in the reaction?

  • It reacts with H+ ions to form a new compound
  • It is a catalyst that speeds up the reaction
  • It is a byproduct of the reaction
  • It is a reactant that reacts with Ca++ ions (correct)

    • What is the net result of the reaction between H+ ions and alumino-silicate particles?

    <p>Breakdown of alumino-silicate particles</p> Signup and view all the answers

    What is the significance of the 22 label in the diagram?

    <p>It represents the pH level of the reaction</p> Signup and view all the answers

    What is the purpose of the Al+++ ions in the reaction?

    <p>None of the above</p> Signup and view all the answers

    What is the relationship between H+ ions and alumino-silicate particles?

    <p>H+ ions break down alumino-silicate particles</p> Signup and view all the answers

    What is the significance of the W symbol in the diagram?

    <p>It represents the reactant AS</p> Signup and view all the answers

    What is the net result of the reaction between Ca++ ions and AS?

    <p>Formation of a new compound</p> Signup and view all the answers

    What is the significance of the Fl symbol in the diagram?

    <p>It represents the byproduct of the reaction</p> Signup and view all the answers

    Study Notes

    Glass Ionomer Cement (GIC)

    • Developed in 1965 by Dr. Alan Wilson and Dr. Brian Kent at the British Laboratory of the Government Chemist
    • First synthesized in 1969 by Wilson and Kent
    • First GIC product, ASPA (Alumino-Silicate-Poly-Acrylate), was introduced in 1971
    • GIC gained popularity in 1972 due to its adhesion to enamel and dentin and fluoride release for anticariogenic effect

    History and Development

    • 1975: Dr. John McLean developed clinical techniques and demonstrated the material's resistance to caries
    • 1983: To improve the abrasive resistance, GIC was modified by adding silver to develop Miracle Mix or Silver Cermet by Simmons

    Setting Reaction

    • Acid attack: calcium ions (Ca++) are released, and alumino-silicate particles are attacked by H+ ions
    • Gelation: calcium ions react with polyacrylic acid to form a gel
    • Maturation: the gel transforms into a solid matrix

    Properties

    • Acid-base reaction
    • Adhesion to enamel and dentin
    • Fluoride release for anticariogenic effect
    • Resistance to caries

    Types and Classifications

    • Not specified in the text

    Advantages and Disadvantages

    • Not specified in the text

    Indications and Contraindications

    • Not specified in the text

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    Description

    Test your knowledge of pre-clinical operative dentistry with this quiz, covering various aspects of dental care and treatment.

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