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Related Experiment Videos

Bond strength versus dentine structure: a modelling approach

D H Pashley1, B Ciucchi, H Sano

  • 1Department of Oral Biology/Physiology, Medical College of Georgia, Augusta, USA.

Archives of Oral Biology
|December 1, 1995
PubMed
Summary
This summary is machine-generated.

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Journal of dental research·2015

This study models dentine-bonding agent strength, finding deeper dentine and stronger resins yield better bonds. Theoretical calculations align with published data, highlighting key factors for effective dental adhesion.

Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Adhesion Science

Background:

  • Dentine bonding agents are crucial for dental restorations.
  • Understanding factors influencing bond strength is essential for material development.
  • Current models often simplify the complex interactions at the dentine-bonding interface.

Purpose of the Study:

  • To theoretically model and evaluate the bond strengths of a hypothetical hydrophilic dentine-bonding agent.
  • To assess the influence of dentine depth and resin strength on overall bond strength.
  • To determine the relative importance of resin tags, hybrid layer, and surface adhesion in a simple model.

Main Methods:

  • Utilized a simple theoretical model to calculate bond strengths.

Related Experiment Videos

  • Varied parameters including dentine depth and resin strength.
  • Compared calculated bond strengths with existing published data.

    • Main Results:

    • Calculations suggest higher bond strengths to deep dentine compared to superficial dentine in non-vital dentine.
    • Resin strength was identified as a critical factor for developing strong dentine bonds.
    • The theoretical bond strengths were found to be within the same order of magnitude as published experimental values.

    Conclusions:

    • Theoretical modeling can effectively identify critical variables in dentine bonding.
    • Resin properties and substrate depth significantly impact the efficacy of dentine-bonding agents.
    • This approach aids in optimizing the design of future hydrophilic dentine-bonding agents.