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Related Experiment Videos

Sealed restorations: 5-year results.

E J Mertz-Fairhurst1, E E Richards, J E Williams

  • 1Department of Restorative Dentistry, Medical College of Georgia.

American Journal of Dentistry
|February 11, 1992
PubMed
Summary
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Ultra-conservative sealed composite restorations effectively arrested dental caries for 5 years. This minimal preparation technique showed superior marginal integrity compared to traditional amalgam restorations, offering a promising approach for caries management.

Area of Science:

  • Restorative Dentistry
  • Cariology
  • Dental Materials Science

Background:

  • Dental caries management traditionally involves extensive tooth preparation.
  • Ultra-conservative approaches aim to preserve tooth structure while arresting caries.
  • Sealed restorations offer a minimally invasive alternative to conventional treatments.

Purpose of the Study:

  • To evaluate the feasibility of sealed resin composite restorations for caries arrest using minimal tooth preparation.
  • To compare the efficacy of sealed composite restorations (CompS/C) with sealed amalgam restorations (AGS) and traditional unsealed amalgam restorations (AGU).

Main Methods:

  • A clinical study comparing CompS/C, AGS, and AGU restorations over 5 years.
  • Minimal tooth preparation involved only an enamel bevel, without carious lesion removal.

Related Experiment Videos

  • Caries progression was assessed using standardized radiographs; marginal integrity and sealant retention were evaluated.

    • Main Results:

    • Caries remained arrested under CompS/C restorations after 5 years.
    • CompS/C and AGS groups demonstrated significantly superior marginal integrity compared to AGU restorations (P < 0.00004).
    • Sealant retention was higher for CompS/C than AGS; sealants also protected composite restorations from wear.

    Conclusions:

    • Sealed resin composite restorations with minimal preparation are feasible for arresting dental caries.
    • This ultra-conservative technique offers excellent marginal integrity and caries arrest potential.
    • The findings support minimally invasive dentistry principles for effective caries management.