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
임승원, 김민수, 홍미희, 강경화, 김민지, 김수정, 김윤지, 김영호, 임성훈, 성상진, 백승학, 조진형,
소속 상세정보
임승원 ( Lim Seung-Weon ) - Hanyang University Hospital Department of Dentistry
김민수 ( Kim Min-Soo ) - Chonnam National University College of Natural Sciences Department of Statistics
홍미희 ( Hong Mi-Hee ) - Kyungpook National University School of Dentistry Department of Orthodontics
강경화 ( Kang Kyung-Hwa ) - Wonkwang University School of Dentistry Department of Orthodontics
김민지 ( Kim Min-Ji ) - Ewha Womans University College of Medicine Department of Orthodontics
김수정 ( Kim Su-Jung ) - Kyung Hee University School of Dentistry Department of Orthodontics
김윤지 ( Kim Yoon-Ji ) - University of Ulsan College of Medicine Asan Medical Center Department of Orthodontics
김영호 ( Kim Young-Ho ) - Ajou University School of Medicine Department of Orthodontics
임성훈 ( Lim Sung-Hoon ) - Chosun University College of Dentistry Department of Orthodontics
성상진 ( Sung Sang-Jin ) - University of Ulsan College of Medicine Asan Medical Center Department of Orthodontics
백승학 ( Baek Seung-Hak ) - Seoul National University School of Dentistry Department of Orthodontics
조진형 ( Cho Jin-Hyoung ) - Chonnam National University School of Dentistry Department of Orthodontics
Abstract
Objective: To investigate demographic and skeletodental characteristics of one-jaw (1J-OGS) and two-jaw orthognathic surgery (2J-OGS) in patients with skeletal Class III malocclusion.
Methods: 750 skeletal Class III patients who underwent OGS at 10 university hospitals in Korea between 2015 and 2019 were investigated; after dividing them 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 vs. provinces, 86.6 vs. 30.7%, p < 0.001). Males outnumbered females, and their mean operation age was older in both groups. Regarding dental patterns, the most frequent maxillary arch length discrepancy (ALD) was crowding in the 1J-OGS group (52.7%, p < 0.001) and spacing in the 2J-OGS group (40.4%, p < 0.001). However, the distribution of skeletal pattern was not significantly different between the two groups (all p > 0.05). The most prevalent skeletal patterns in both groups were hyper-divergent pattern (50.0 and 54.4%, respectively) 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 normo-divergent pattern (OR, 0.615; p < 0.05) decreased the probability of 2J-OGS.
Conclusions: In both groups, males outnumbered females, and their mean operation age was older. The most frequent ALD was crowding in the 1J-OGS group, and spacing in the 2J-OGS group, while skeletal characteristics were not significantly different between the two groups.
키워드
Class III orthognathic surgery; Class III diagnosis; Class III treatment
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