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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Fluoride release and re-release from a bioactive restorative material.

Elizabeth May1, Kevin J Donly1

  • 1Department of Developmental Dentistry, School of Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA.

American Journal of Dentistry
|December 19, 2017
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Summary

This study compared fluoride release from three dental materials. A bioactive material showed fluoride uptake and re-release, potentially inhibiting caries at restoration margins.

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Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Restorative Dentistry

Background:

  • Dental restorative materials play a crucial role in oral health.
  • Understanding fluoride release is key to preventing secondary caries.
  • Bioactive materials offer potential for enhanced therapeutic effects.

Purpose of the Study:

  • To compare fluoride release and re-release from three distinct restorative materials.
  • To evaluate the bioactive potential of a novel restorative material.
  • To assess the cariostatic potential of restorative materials through fluoride dynamics.

Main Methods:

  • Three materials were tested: resin-based composite (Z100), resin-modified glass ionomer (Vitremer), and a bioactive material (Activa).
  • Fluoride ion analysis was performed over 30 days to measure initial release (Phase I).
  • Following topical fluoride application, fluoride re-release (Phase II) was measured.

Main Results:

  • Vitremer and Activa showed higher initial fluoride release than Z100.
  • All materials demonstrated fluoride re-release after topical application.
  • The bioactive material (Activa) exhibited fluoride uptake and subsequent re-release, with release levels between Vitremer and Z100.

Conclusions:

  • The bioactive material demonstrated fluoride uptake and re-release capabilities.
  • This fluoride dynamics suggests potential for inhibiting caries at restoration margins.
  • The findings support the investigation of bioactive materials for enhanced caries prevention.