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Updated: Jul 3, 2026

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

Published on: December 20, 2024

Does microetching enamel reduce bracket failure when indirect bonding mandibular posterior teeth?

Peter G Miles1

  • 1pmiles@beautifulsmiles.com.au

Australian Orthodontic Journal
|July 25, 2008
PubMed
Summary
This summary is machine-generated.

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Microetching mandibular teeth before acid-etching did not significantly reduce orthodontic bracket failures in the initial six months. This study found no statistically significant difference in bracket retention between the two surface preparation methods.

Area of Science:

  • Orthodontic treatment
  • Dental adhesion science

Background:

  • Orthodontic bracket debonding is a common clinical issue.
  • Surface preparation of enamel is crucial for bracket adhesion.

Purpose of the Study:

  • To evaluate if microetching mandibular premolars and first molars before acid-etching reduces bracket failures.
  • To compare the efficacy of microetching versus conventional acid-etching for orthodontic bracket bonding.

Main Methods:

  • A split-mouth study design was employed with 64 patients and 384 brackets.
  • Mandibular teeth were either acid-etched or microetched prior to acid-etching, with microetching side alternated.
  • Indirect bonding was used, and bracket failures were recorded over six months.

Main Results:

Related Experiment Videos

Last Updated: Jul 3, 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

  • One percent of brackets failed on the microetched side (2 brackets).
  • 2.1% of brackets failed on the conventionally acid-etched side (4 brackets).
  • The difference in failure rates was not statistically significant (p = 0.41).

Conclusions:

  • Microetching enamel prior to acid-etching does not decrease bracket failures in the first six months of orthodontic treatment.
  • Conventional acid-etching provides comparable bracket retention to microetching followed by acid-etching.