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Related Experiment Videos

Fluoride-releasing removable appliances.

R L Cooley1, J W McCourt

  • 1University of Texas, Health Science Center at San Antonio.

Quintessence International (Berlin, Germany : 1985)
|April 1, 1991
PubMed
Summary
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Removable dental appliances can now release fluoride thanks to new glass-ionomer cement inserts. These inserts demonstrated sustained fluoride release over two months, offering potential benefits for oral health.

Area of Science:

  • Biomaterials Science
  • Dental Materials Science
  • Cariology

Background:

  • Removable dental appliances are widely used in orthodontics and prosthodontics.
  • Incorporating fluoride-releasing capabilities into these appliances can offer localized cariostatic benefits.
  • Current methods for adding fluoride-releasing properties are limited.

Purpose of the Study:

  • To develop and evaluate a method for imparting fluoride-releasing capability to removable dental appliances.
  • To assess the fluoride release profile of glass-ionomer cement inserts over a 2-month period.

Main Methods:

  • Visible light-cured glass-ionomer cement (GIC) inserts were fabricated.
  • GIC inserts were embedded into resins commonly used for fabricating removable appliances.

Related Experiment Videos

  • Fluoride release was quantified using daily, weekly, and monthly measurements over 2 months.

    • Main Results:

    • All GIC-containing specimens exhibited fluoride release throughout the 2-month testing period.
    • An initial "burst effect" of fluoride release was observed on the first day, followed by a significant decrease on the second day.
    • Fluoride release stabilized after the first week, with consistent release observed up to 2 months.

    Conclusions:

    • Visible light-cured GIC inserts provide a viable method for enhancing removable appliances with fluoride-releasing properties.
    • The sustained fluoride release profile suggests potential for prolonged cariostatic effects.
    • This innovation offers a promising approach to improve oral hygiene and prevent demineralization in patients using removable appliances.