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Sealed restorations: 4-year results.

E J Mertz-Fairhurst1, J E Williams, K L Pierce

  • 1Medical College of Georgia, Augusta.

American Journal of Dentistry
|February 1, 1991
PubMed
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This study found that ultra-conservative sealed composite restorations (CompS/C) can arrest dental caries for at least 4 years. Sealant retention was similar to amalgam, and composites showed reduced wear.

Area of Science:

  • Restorative Dentistry
  • Cariology
  • Dental Materials

Background:

  • Traditional Class I cavity preparations involve significant tooth structure removal.
  • Arresting caries progression without extensive preparation is a clinical challenge.
  • Ultra-conservative treatment options aim to preserve tooth structure and minimize invasiveness.

Purpose of the Study:

  • To evaluate the feasibility of using sealed composite restorations to arrest caries in Class I lesions.
  • To compare ultra-conservative sealed composite restorations (CompS/C) with sealed amalgam (AGS) and traditional unsealed amalgam (AGU) restorations.
  • To assess caries arrest, sealant retention, marginal integrity, and wear resistance.

Main Methods:

  • Minimal tooth preparation for Class I lesions, involving enamel bevel only and no carious tissue removal.

Related Experiment Videos

  • Placement of sealed composite restorations over caries (CompS/C).
  • Comparison groups included ultra-conservative sealed amalgam (AGS) and traditional unsealed amalgam (AGU).
  • Evaluations included caries arrest, sealant retention, marginal integrity, and wear over 4 years.

    • Main Results:

    • Caries arrest was observed under CompS/C restorations for a 4-year period.
    • Sealant retention rates were comparable between CompS/C and AGS groups.
    • Marginal integrity of AGS restorations was superior to AGU restorations.
    • Sealant application appeared to prevent wear in posterior composite restorations.

    Conclusions:

    • Ultra-conservative sealed composite restorations are a feasible option for arresting caries.
    • Minimal intervention techniques can achieve comparable sealant retention to ultra-conservative amalgam restorations.
    • Sealants may enhance the longevity and wear resistance of posterior composite restorations.