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Related Experiment Videos

Glass ionomer-composite sandwich technique.

M Suzuki1, R E Jordan

  • 1Division of Operative Dentistry, University of Western Ontario, London, Canada.

Journal of the American Dental Association (1939)
|January 1, 1990
PubMed
Summary

Glass ionomer cements offer excellent biological properties but have limitations. Combining them with composite resins creates restorations with improved bonding, esthetics, and handling.

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Area of Science:

  • Dental Materials Science
  • Restorative Dentistry

Background:

  • Glass ionomer cements (GICs) exhibit excellent biological acceptability, fluoride release, dentin bondability, and marginal integrity.
  • However, GICs are often secondary choices due to slow setting, brittleness, poor finishability, lack of translucency, and technique sensitivity.
  • Composite resins offer superior handling, polishability, and esthetic qualities.

Purpose of the Study:

  • To evaluate the potential of combined ionomer-composite restorations.
  • To address the limitations of traditional glass ionomers and composite resins.

Main Methods:

  • This study focuses on the properties and outcomes of hybrid restorations combining glass ionomers and composite resins.
  • Evaluation of bonding mechanisms and esthetic results.

Main Results:

  • Combined restorations provide a reliable chemical bond to dentin.
  • Micromechanical bonding is achieved at the composite-ionomer interface.
  • Acceptable esthetic results are obtained with this combined approach.

Conclusions:

  • The combination of glass ionomer cement and composite resin offers a promising restorative solution.
  • This hybrid approach overcomes the individual limitations of each material.
  • It results in restorations with enhanced bonding, handling, and esthetics.

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