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Related Experiment Video

Updated: Jun 18, 2026

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
07:09

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

Longitudinal bond strength evaluation using the deproteinized dentin technique.

Gleyce Oliveira Silva1, Daphne Camara Barcellos, Cesar Rogerio Pucci

  • 1Clinical Research Academic Group (GAPEC), Sao Jose dos Campos School of Dentistry, Sao Paulo State University, SP, Brazil.

General Dentistry
|November 12, 2009
PubMed
Summary

Dentin deproteinization with sodium hypochlorite improved bond strength for most adhesive systems. However, bond strength decreased significantly after six months compared to 24 hours, with one system showing the lowest bond strength.

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Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Adhesive Dentistry

Background:

  • Conventional adhesive systems are crucial for dental restorations.
  • Dentin deproteinization is a potential method to enhance adhesion.
  • Long-term bond strength stability of treated dentin is not fully understood.

Purpose of the Study:

  • To evaluate the effect of dentin deproteinization using 10% sodium hypochlorite (NaOCl) on bond strength.
  • To assess the influence of storage time (24 hours vs. six months) on bond strength.
  • To compare the performance of different conventional adhesive systems.

Main Methods:

  • 72 human molars were prepared and divided into 12 groups based on adhesive system and NaOCl treatment.
  • Acid etching followed by application of adhesive systems and resin composite.

Related Experiment Videos

Last Updated: Jun 18, 2026

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
07:09

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

  • Mechanical shear bond strength testing after 24 hours and six months.
  • Fractured surface analysis and statistical evaluation (ANOVA, Tukey's test).

    • Main Results:

    • Dentin deproteinization with 10% NaOCl improved bond strength in five of six tested groups.
    • Bond strength was significantly higher after 24 hours compared to six months.
    • DenTASTIC UNO exhibited the lowest bond strength among the three adhesive systems evaluated.

    Conclusions:

    • Dentin deproteinization with 10% NaOCl can enhance immediate bond strength.
    • Long-term stability of dentin-adhesive bonds is compromised over six months.
    • Adhesive system choice and dentin treatment influence bond durability.