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Related Experiment Videos

Improvements in bracket base design.

D C Smith, R Maijer

    American Journal of Orthodontics
    |April 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Improving orthodontic bracket bonding, this study enhanced resin retention by fusing particles onto bracket bases. Sintered porous metal-coated brackets demonstrated a 100% increase in bond strength, reducing clinical failures.

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    Area of Science:

    • Dental Materials Science
    • Orthodontic Engineering
    • Biomaterials

    Background:

    • Acid etch bonding for orthodontic attachments is generally effective but prone to failures.
    • Failures often stem from technique issues or bracket base design, particularly with foil mesh bases.
    • Enhancing mechanical retention of resin to bracket bases can significantly improve bonding and reduce clinical failures.

    Purpose of the Study:

    • To investigate methods for improving the mechanical retention of orthodontic brackets to tooth surfaces.
    • To evaluate the efficacy of fusing metallic or ceramic particles onto bracket bases for enhanced resin penetration and bonding.
    • To assess the impact of novel bracket base designs on bond strength and clinical performance.

    Main Methods:

    • Development of bracket bases with fused metallic or ceramic particles to create a porous layer.

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  • Application of acid etch bonding techniques with the modified bracket bases.
  • Evaluation of bond strength through standardized laboratory tests.

    • Main Results:

    • Sintered porous metal-coated brackets showed a 100% increase in bond strength compared to conventional brackets.
    • The porous layer facilitated superior resin penetration, enhancing mechanical retention.
    • Improved bond strength suggests a potential reduction in clinical bracket debonding incidents.

    Conclusions:

    • Modifying bracket bases with sintered porous metal coatings significantly improves resin retention and bond strength.
    • This approach offers a promising strategy to minimize clinical failures associated with orthodontic bonding.
    • Further development of particulate-coated brackets is warranted to optimize clinical outcomes.