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Related Experiment Video

Updated: Jan 11, 2026

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

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

Published on: December 20, 2024

Shear Bond Strength of Different Fifth-Generation Dentin Bonding Agents: An In Vitro Comparative Analysis.

Muhammed Ashhar¹, Rajinder Bansal¹, Manu Bansal¹

¹Department of Conservative Dentistry and Endodontics, Guru Nanak Dev Dental College and Research Institute, Sunam, IND.

|November 14, 2025

Summary

Fifth-generation dentin bonding agents (DBAs) were evaluated for shear bond strength (SBS) to human dentin. DentGist Nano-Bond and Coltene One Coat Bond SL showed superior performance in this in vitro study.

Keywords:

bond strength dentin bonding agents fifth generation in vitro one-way anova test

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Area of Science:

Dental Materials Science
Adhesive Dentistry
Biomaterials Engineering

Background:

Fifth-generation dentin bonding agents (DBAs) are crucial for reliable adhesion in composite restorations.
Ensuring optimal bond strength to dentin is essential for the longevity of dental restorations.

Purpose of the Study:

To compare the shear bond strength (SBS) of four commercially available fifth-generation DBAs to human dentin.
To identify which DBA exhibits superior bonding performance in an in vitro setting.

Main Methods:

120 extracted human premolars were prepared into dentin blocks.
Four groups of DBAs were applied according to manufacturer instructions.
Shear bond strength was tested using a universal testing machine at a crosshead speed of 1 mm/min.

Main Results:

Coltene One Coat Bond SL (19.92 ± 2.80 MPa) and DentGist Nano-Bond (19.81 ± 2.36 MPa) exhibited the highest SBS.
Prime Restorite Bond 5G showed intermediate SBS (18.63 ± 1.25 MPa).
Prevest DenPro Fusion Bond 5 demonstrated significantly lower SBS (16.05 ± 0.73 MPa) compared to the other agents.

Conclusions:

Adhesive composition significantly influences shear bond strength.
DentGist Nano-Bond and Coltene One Coat Bond SL demonstrated superior performance among the tested fifth-generation DBAs.
Findings guide clinical selection of dentin bonding agents for durable restorations.