RESEARCH ARTICLE


Comparison of Changes in Incisors Position in Cases Treated with Damon Self-Ligating and Conventional Fixed Appliances



Adriana Candida Albuquerque Nogueira1, Karina Maria Salvatore Freitas1, *, Darwin Vaz de Lima2, Fabrício Pinelli Valarelli1, Rodrigo Hermont Cançado1
1 Department of Orthodontics, Uninga University Center, Maringa-PR-Brazil
2 Department of Orthodontics, Uninga University Center, Cuiaba-MT-Brazil


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© 2018 Nogueira et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Orthodontics, Uninga University Center, Maringa-PR-Brazil; Tel: 55-14-38796446; E-mail: kmsf@uol.com.br


Abstract

Objective:

This study aimed to compare the changes in maxillary and mandibular incisors position in cases treated with Damon self-ligating and conventional fixed appliances.

Methods:

The sample comprised 51 patients with Class I malocclusion, mild to moderate crowding, treated without extractions, divided into 2 groups: Group 1 consisted of 20 patients treated with Damon self-ligating appliance, with a mean initial age of 15.00 years, treated for a mean period of 2.01 years; and Group 2 comprised 31 patients treated with conventional fixed appliances, with a mean initial age of 14.98 years, treated for a mean period of 1.81 years. The initial and final cephalograms of each patient were measured. The intergroup comparisons were performed with independent t or Mann-Whitney tests.

Results:

Both groups showed a mild protrusion and a buccal inclination of the maxillary and mandibular incisors, with no statistically significant difference between them.

Conclusion:

The changes in maxillary and mandibular incisors position were similar between the groups treated with Damon self-ligating and conventional fixed appliances.

Keywords: Orthodontic brackets, Corrective orthodontics, Malocclusion, Cephalometry, Damon self-ligating, Conventional orthodontic brackets.