Effects of facemask therapy in the treatment of skeletal class III malocclusion in Vietnamese children

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Published Nov 28, 2022
DOI: https://doi.org/10.18103/mra.v10i11.3287

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Main Article Content

Tham Khac Dong
Department of Orthodontics, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
Thao Thi Thu Mai
Department of Orthodontics, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
Thu Ngoc Yen Nguyen
Department of Periodontics, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
Thuy Anh Vu Pham, DDS, PhD
Division of Odonto-Stomatology, School of Medicine, Vietnam National University, Ho Chi Minh City, Vietnam
http://orcid.org/0000-0002-2679-6604

Abstract

Sparse data are available on the effects of facemask therapy in treatment of skeletal class III malocclusion in Vietnamese children. The purpose of this study was to investigate the skeletal, dental, and soft-tissue profile changes following facemask treatment in children with skeletal class III malocclusion. Twenty-four children (7-12 years-old) with skeletal class III malocclusion treated with facemask appliance were included in this study. All lateral cephalograms taken before and after treatment had been manually traced, followed by cephalometric landmark identification and parameter measurements. Significant skeletal, dental and soft tissue profile changes after treatment were recorded and statistically evaluated by paired t test at a 0.05 significance level. After treatment, the maxilla moved forward (SNA increased 1.53 degrees and A–Y increased 1.93 mm; p<0.001). The mandible rotated backwards and downwards (SNB decreased 1.35 degrees; B–Y decreased 1.12mm; p<0.001). These movements in the maxilla and mandible caused a significant improvement in intermaxillary sagittal relationship (ANB increased 2.89degrees; the convexity angle increased 4.7 degrees; Wits appraisal increased 3.77mm; p<0.001). The maxillary incisors moved forward (4.57 degrees). The improvement in overjet was 5.83 mm. The change in Prn-Y and Ls–E measurement was 2.46mm and 2.72mm, respectively. Our results showed that facemask was highly effective for treating skeletal class III malocclusion and improving facial esthetics. Facemask treatment is a highly effective for skeletal class III malocclusion because it leads to positive changes in the jaws, teeth and soft tissue after 1-year of treatment.

Keywords: Facemask, skeletal class III malocclusion, Vietnamese children

Article Details

How to Cite
DONG, Tham Khac et al. Effects of facemask therapy in the treatment of skeletal class III malocclusion in Vietnamese children. Medical Research Archives, [S.l.], v. 10, n. 11, nov. 2022. ISSN 2375-1924. Available at: <https://esmed.org/MRA/mra/article/view/3287>. Date accessed: 21 nov. 2024. doi: https://doi.org/10.18103/mra.v10i11.3287.
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Issue
Vol 10 No 11 (2023): NOVEMBER ISSUE, VOl. 10 ISsue 11
Section
Research Articles

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