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Updated: Jun 10, 2026

Application of Light-cured Dental Adhesive Resin for Mounting Electrodes or Microdialysis Probes in Chronic Experiments

Application of Light-cured Dental Adhesive Resin for Mounting Electrodes or Microdialysis Probes in Chronic Experiments

Published on: July 30, 2007

Orthodontic bonding with self-etching primer and self-adhesive systems.

Chi Hung Chu¹, Ken Liang Ou, De Rei Dong

¹Orthodontic Department, Graduate School of Dentistry, Taipei Medical University, Taiwan, Republic of China.

European Journal of Orthodontics

|August 24, 2010

Summary

Simplified orthodontic bracket bonding systems, including self-etching primer (SEP) and self-adhesive systems, resulted in lower tensile bond strength compared to conventional multi-step adhesives. Simplified procedures decrease bond strength.

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Area of Science:

Orthodontic Adhesives
Dental Materials Science
Biomaterials

Background:

Orthodontic bracket bonding relies on adhesive systems to ensure treatment success.
Conventional multi-step adhesives offer reliable bond strength but require multiple application steps.
Simplified adhesive systems aim to reduce chair time but may compromise bond integrity.

Purpose of the Study:

To compare the tensile bond strength of orthodontic brackets bonded with conventional multi-step adhesives, self-etching primers (SEP), and self-adhesive systems.
To analyze failure modes and material distribution at the debonded interface using SEM and EDX.
To evaluate the impact of simplified bonding procedures on bond strength and clinical reliability.

Main Methods:

Ninety extracted human premolars were bonded with metal brackets using three adhesive systems: conventional multi-step, SEP, and self-adhesive.

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Last Updated: Jun 10, 2026

Application of Light-cured Dental Adhesive Resin for Mounting Electrodes or Microdialysis Probes in Chronic Experiments

Application of Light-cured Dental Adhesive Resin for Mounting Electrodes or Microdialysis Probes in Chronic Experiments

Published on: July 30, 2007

Specimens were debonded using an Instron universal testing machine.

Failure analysis included SEM for interface observation and EDX for enamel/resin distribution and calcium analysis.

Main Results:

Conventional multi-step adhesives yielded the highest tensile bond strength, followed by SEP and then self-adhesive systems.
Self-adhesive systems exhibited a higher incidence of cohesive failure within the resin or interfacial failure between resin and enamel.
Conventional and SEP groups showed more adhesive failures at the bracket-resin interface compared to self-adhesive systems. Increased calcium was noted on bracket bases in the self-adhesive group.

Conclusions:

Simplified orthodontic bonding procedures, such as SEP and self-adhesive systems, lead to a reduction in tensile bond strength.
The choice of adhesive system impacts bond strength and failure modes, with simpler systems potentially compromising mechanical integrity.
Further research may be needed to optimize simplified systems for clinical efficacy without sacrificing bond strength.