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Related Experiment Videos

Fluoride release from orthodontic adhesives.

R L Cooley, W W Barkmeier, J L Hicks

    American Journal of Dentistry
    |June 1, 1989
    PubMed
    Summary

    This study compared fluoride release from orthodontic adhesives. Glass ionomer adhesives provide sustained fluoride release, crucial for preventing white spot lesions, unlike composite resins.

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    Area of Science:

    • Dental Materials Science
    • Orthodontic Adhesives
    • Fluoride Release Dynamics

    Background:

    • Fluoride release from orthodontic materials is essential for preventing enamel demineralization and white spot lesions around brackets.
    • Traditional composite resin adhesives offer limited fluoride release, potentially compromising cariostatic effects.
    • Glass ionomer materials are known for their fluoride-releasing capabilities.

    Purpose of the Study:

    • To quantitatively compare the in vitro fluoride release profiles of two commercial orthodontic adhesives.
    • To evaluate a paste-type adhesive composite resin and a glass ionomer luting agent.
    • To benchmark their fluoride release against a standard glass ionomer restorative material.

    Main Methods:

    • In vitro evaluation of fluoride release from two distinct orthodontic adhesive types.
    • Comparison of a composite resin adhesive and a glass ionomer luting agent.
    • Measurement of fluoride ion concentration over a three-month period.

    Main Results:

    • The composite resin adhesive exhibited minimal fluoride release, ceasing after only three days.
    • The glass ionomer luting agent demonstrated continuous fluoride release.
    • Fluoride release from the glass ionomer adhesive was comparable to the glass ionomer restorative material and remained detectable at three months.

    Conclusions:

    • Glass ionomer orthodontic adhesives offer a significant advantage in sustained fluoride release compared to composite resin adhesives.
    • The sustained fluoride release from glass ionomer adhesives is critical for long-term prevention of demineralization and white spot lesions in orthodontics.
    • Glass ionomer luting agents represent a superior choice for orthodontic bonding when cariostatic properties are a priority.

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