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Related Concept Videos

Bonding and Strength of Aggregate01:12

Bonding and Strength of Aggregate

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The bond between aggregate particles and the cement matrix is significantly influenced by the shape and surface texture of the aggregates. High-strength concretes benefit from a rougher texture, which leads to stronger bonding due to greater adhesion. Angular aggregates with larger surface areas also enhance this bond. The bonding quality, however, is complex to assess as no universally accepted test exists. Good bonding is indicated when a crushed concrete specimen shows some aggregate...
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Teeth01:15

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Related Experiment Video

Updated: Apr 18, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
07:42

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

963

Dentin bonding: can we make it last?

L Tjäderhane

    Operative Dentistry
    |January 24, 2015
    PubMed
    Summary

    Dentin bonding durability is limited by collagen degradation and adhesive issues. Inhibiting enzymes and optimizing adhesive properties are key to preserving the hybrid layer and ensuring long-term dental bond strength.

    Area of Science:

    • Biomaterials Science
    • Dental Materials
    • Adhesive Dentistry

    Background:

    • Contemporary dental adhesives form a hybrid layer for bonding, but its integrity degrades over time.
    • Collagen degradation by endogenous enzymes (MMPs, cathepsins) and adhesive hydrophilicity compromise hybrid layer longevity.
    • This leads to reduced bond strength and failure of dental restorations.

    Purpose of the Study:

    • To review current strategies for preserving hybrid layer integrity in dentin bonding.
    • To discuss methods for improving the long-term durability of dental adhesive interfaces.
    • To explore future directions in enhancing dentin bonding longevity.

    Main Methods:

    • Literature review of studies on dentin bonding, hybrid layer formation, and degradation mechanisms.

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  • Analysis of techniques aimed at preventing collagen degradation and improving adhesive properties.
  • Synthesis of information on enzyme inhibitors, collagen modification, and water elimination strategies.

    • Main Results:

    • Enzyme inhibition, increased collagen resistance, and water elimination are primary approaches to enhance bond durability.
    • Incorporating enzyme inhibitors into adhesives shows promise for preserving hybrid layer collagen.
    • Optimizing resin impregnation and polymerization can mitigate issues related to adhesive hydrophilicity.

    Conclusions:

    • Preserving the collagen matrix via protease inhibition is crucial for durable dentin bonding.
    • Multiple strategies exist to improve the longevity of the hybrid layer and dental adhesive interfaces.
    • Further research into these techniques will advance the field of restorative dentistry.