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Related Experiment Video

Updated: Jun 5, 2026

The Establishment of a Murine Maxillary Orthodontic Model
04:11

The Establishment of a Murine Maxillary Orthodontic Model

Published on: October 27, 2023

Maxillary canine retraction with self-ligating and conventional brackets.

Maurício Mezomo1, Eduardo S de Lima, Luciane Macedo de Menezes

  • 1Department of Orthodontics, Centro Universitário Franciscano, Santa Maria–RS, Brazil. mezomo@ortodontista.com.br

The Angle Orthodontist
|January 7, 2011
PubMed
Summary

Self-ligating brackets minimized upper canine rotation during retraction compared to conventional brackets. Both bracket types showed similar space closure and molar anchorage loss in orthodontic treatment.

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Area of Science:

  • Orthodontics
  • Biomaterials Science

Background:

  • Orthodontic treatment often involves canine retraction.
  • The choice of bracket system can influence treatment outcomes.

Purpose of the Study:

  • To compare space closure during upper canine retraction using self-ligating versus conventional brackets.
  • To evaluate canine rotation and molar anchorage loss with both bracket systems.

Main Methods:

  • A split-mouth design was used with 15 patients undergoing maxillary canine retraction.
  • Elastomeric chains delivered 150g of force for canine retraction.
  • Dental casts were used to measure canine movement, rotation, and molar anchorage loss over 12 weeks.

Main Results:

  • No significant difference was found in canine distal movement or first molar mesial movement between self-ligating and conventional brackets.

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Last Updated: Jun 5, 2026

The Establishment of a Murine Maxillary Orthodontic Model
04:11

The Establishment of a Murine Maxillary Orthodontic Model

Published on: October 27, 2023

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
07:32

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

3D Imaging of PDL Collagen Fibers during Orthodontic Tooth Movement in Mandibular Murine Model
09:33

3D Imaging of PDL Collagen Fibers during Orthodontic Tooth Movement in Mandibular Murine Model

Published on: April 15, 2021

  • Self-ligating brackets significantly reduced upper canine rotation during retraction (P < .05).

    • Conclusions:

    • Both self-ligating and conventional brackets achieve similar canine retraction and molar anchorage.
    • Self-ligating brackets offer an advantage in minimizing canine rotation during sliding mechanics.