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KJO Korean Journal of Orthodontics

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eISSN 2005-372X
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Korean J Orthod

Published online August 10, 2021

Copyright © The Korean Association of Orthodontists.

Comparison of One-jaw and Two-jaw Orthognathic Surgery in Patients with Skeletal Class III Malocclusion using Data from 10 Multi-centers in Korea : Part I. Demographic and Skeletodental Characteristics

Seung-Weon Lim a ; Minsoo Kim b; Mihee Hong c; Kyung-Hwa Kang d; Minji Kim e; Su-Jung Kim f; Yoon-Ji Kim g; Young Ho Kim h; Sung-Hoon Lim i; Sang Jin Sung j; Seung-Hak Baek k; Jin-Hyoung Cho l

a Clinical Assistant Professor, Division of Orthodontics, Department of Dentistry, Hanyang University Hospital, Seoul, Republic of Korea (wonny5@hanmail.net, +82-2-2290-8671; orcid number: 0000-0002-6250-1754)
b Professor; Department of Statistics, College of Natural Sciences, Chonnam National University, Gwangju, Republic of Korea
c Assistant Professor, Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
d Professor, Department of Orthodontics, School of Dentistry, Wonkwang University, Iksan-si, Republic of Korea
e Associate Professor, Department of Orthodontics, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
f Professor, Department of Orthodontics, Kyung Hee University School of Dentistry, Seoul, Republic of Korea.
g Assistant Professor, Department of Orthodontics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
h Professor, Department of Orthodontics, Institute of Oral Health Science, Ajou University School of Medicine, Suwon-si, Gyeonggi-do, Republic of Korea
i Professor, Department of Orthodontics, College of Dentistry, Chosun University, Gwangju, KOREA,
j Professor, Department of Orthodontics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
k Professor, Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, Republic of Korea
l Professor and Chair, Department of Orthodontics, Chonnam National UniversitySchool of Dentistry, Gwangju, Republic of Korea (+82-62-530-5818, jhcho@jnu.ac.kr, Orcid number: 0000-0002-0342-6379)

Correspondence to:Dr. Jin-Hyoung Cho, Professor and Chair, Dept. of Orthodontics, Chonnam National University School of Dentistry, 33 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea, Phone number: +82-62-530-5818, fax: +82-62-530-5659, e-mail: jhcho@jnu.ac.kr, Orcid number: 0000-0002-0342-6379

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective: To investigate the demographic and skeletodental characteristics of one-jaw (1J-OGS) and two-jaw orthognathic surgery (2J-OGS) in patients with skeletal Class III malocclusion.
Materials and methods: 750 skeletal Class III patients, who underwent OGS at 10 university hospitals in Korea between 2015 and 2019, were collected. After they were divided into the 1J-OGS (n=186) and 2J-OGS groups (n=564), demographic and skeletodental characteristics were statistically analyzed.
Results: 2J-OGS was more frequently performed than 1J-OGS (75.2% vs. 24.8%), despite regional differences (capital area, 86.6% vs. provinces, 30.7%, P<0.001). Males outnumbered females and their mean operation age was older than females in both groups (male vs. female, 54.7% vs. 45.3%; 23.6 vs. 22.9 years). In the dental patterns, the most frequent maxillary ALD was crowding in the 1JOGS group (52.7%, P<0.001) and spacing in the 2J-OGS group (40.4%, P<0.001). However, the distribution of skeletal patterns was not different between the two groups (all P>0.05). The most prevalent skeletal patterns in both groups were the hyper-divergent pattern (50.0% and 54.4%) and left-side chin point deviation (both 49.5%). Maxillary spacing (odds ratio [OR], 3.645; P<0.001) increased the probability of 2J-OGS, while maxillary crowding (OR, 0.672; P<0.05) and the normodivergent pattern (OR, 0.615; P<0.05) decreased the probability of 2J-OGS.
Conclusion: In both 1J-OGS and 2J-OGS groups, males outnumbered females and their mean operation age was older than females. The most frequent ALD was crowding in the 1J-OGS group, and spacing in the 2J-OGS group, while skeletal characteristics were not different between the 1JOGS and 2J-OGS group.

Keywords: Class III orthognathic surgery, Class III diagnosis, Class III treatment,

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Korean J Orthod

Published online August 10, 2021

Copyright © The Korean Association of Orthodontists.

Comparison of One-jaw and Two-jaw Orthognathic Surgery in Patients with Skeletal Class III Malocclusion using Data from 10 Multi-centers in Korea : Part I. Demographic and Skeletodental Characteristics

Seung-Weon Lim a ; Minsoo Kim b; Mihee Hong c; Kyung-Hwa Kang d; Minji Kim e; Su-Jung Kim f; Yoon-Ji Kim g; Young Ho Kim h; Sung-Hoon Lim i; Sang Jin Sung j; Seung-Hak Baek k; Jin-Hyoung Cho l

a Clinical Assistant Professor, Division of Orthodontics, Department of Dentistry, Hanyang University Hospital, Seoul, Republic of Korea (wonny5@hanmail.net, +82-2-2290-8671; orcid number: 0000-0002-6250-1754)
b Professor; Department of Statistics, College of Natural Sciences, Chonnam National University, Gwangju, Republic of Korea
c Assistant Professor, Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
d Professor, Department of Orthodontics, School of Dentistry, Wonkwang University, Iksan-si, Republic of Korea
e Associate Professor, Department of Orthodontics, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
f Professor, Department of Orthodontics, Kyung Hee University School of Dentistry, Seoul, Republic of Korea.
g Assistant Professor, Department of Orthodontics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
h Professor, Department of Orthodontics, Institute of Oral Health Science, Ajou University School of Medicine, Suwon-si, Gyeonggi-do, Republic of Korea
i Professor, Department of Orthodontics, College of Dentistry, Chosun University, Gwangju, KOREA,
j Professor, Department of Orthodontics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
k Professor, Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, Republic of Korea
l Professor and Chair, Department of Orthodontics, Chonnam National UniversitySchool of Dentistry, Gwangju, Republic of Korea (+82-62-530-5818, jhcho@jnu.ac.kr, Orcid number: 0000-0002-0342-6379)

Correspondence to:Dr. Jin-Hyoung Cho, Professor and Chair, Dept. of Orthodontics, Chonnam National University School of Dentistry, 33 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea, Phone number: +82-62-530-5818, fax: +82-62-530-5659, e-mail: jhcho@jnu.ac.kr, Orcid number: 0000-0002-0342-6379

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective: To investigate the demographic and skeletodental characteristics of one-jaw (1J-OGS) and two-jaw orthognathic surgery (2J-OGS) in patients with skeletal Class III malocclusion.
Materials and methods: 750 skeletal Class III patients, who underwent OGS at 10 university hospitals in Korea between 2015 and 2019, were collected. After they were divided into the 1J-OGS (n=186) and 2J-OGS groups (n=564), demographic and skeletodental characteristics were statistically analyzed.
Results: 2J-OGS was more frequently performed than 1J-OGS (75.2% vs. 24.8%), despite regional differences (capital area, 86.6% vs. provinces, 30.7%, P<0.001). Males outnumbered females and their mean operation age was older than females in both groups (male vs. female, 54.7% vs. 45.3%; 23.6 vs. 22.9 years). In the dental patterns, the most frequent maxillary ALD was crowding in the 1JOGS group (52.7%, P<0.001) and spacing in the 2J-OGS group (40.4%, P<0.001). However, the distribution of skeletal patterns was not different between the two groups (all P>0.05). The most prevalent skeletal patterns in both groups were the hyper-divergent pattern (50.0% and 54.4%) and left-side chin point deviation (both 49.5%). Maxillary spacing (odds ratio [OR], 3.645; P<0.001) increased the probability of 2J-OGS, while maxillary crowding (OR, 0.672; P<0.05) and the normodivergent pattern (OR, 0.615; P<0.05) decreased the probability of 2J-OGS.
Conclusion: In both 1J-OGS and 2J-OGS groups, males outnumbered females and their mean operation age was older than females. The most frequent ALD was crowding in the 1J-OGS group, and spacing in the 2J-OGS group, while skeletal characteristics were not different between the 1JOGS and 2J-OGS group.

Keywords: Class III orthognathic surgery, Class III diagnosis, Class III treatment,