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Comparison of different midsagittal plane configurations for evaluating craniofacial asymmetry by expert preference

Authors
 SangIn An  ;  Ji-Yeon Lee  ;  Chooryung J. Chung  ;  Kyung-Ho Kim 
Citation
 AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS, Vol.152(6) : 788-797, 2017 
Journal Title
 AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS 
ISSN
 0889-5406 
Issue Date
2017
MeSH
Adult ; Anatomic Landmarks ; Cephalometry/methods* ; Facial Asymmetry/diagnosis* ; Female ; Humans ; Imaging, Three-Dimensional* ; Male ; Tomography, X-Ray Computed* ; Young Adult
Abstract
INTRODUCTION: In this study, we aimed to compare 8 candidate midsagittal planes (MSPs) constructed from different median landmarks to determine the most appropriate one for evaluating craniofacial asymmetry. METHODS: We included 30 patients (18 men, 12 women; mean age, 25.7 ± 6.03 years) who visited the National Health Insurance Service Ilsan Hospital in Gyeonggi-do, Korea, with a complaint of facial asymmetry. Four MSPs passing through 2 median landmarks perpendicular to the Frankfort horizontal plane and 4 other MSPs passing through 3 median landmarks were constructed. Menton, anterior nasal spine, and anterior nasal spine-to-posterior nasal spine line deviations were evaluated using these 8 MSPs. Eight MSPs from 30 subjects were shown to 6 experts, who selected the planes that they considered the most appropriate. RESULTS: Experts most frequently selected the plane passing through nasion and basion perpendicular to the Frankfort horizontal plane (66 of 180 times; P <0.05). In evaluating craniofacial asymmetry, using MSPs passing through 3 median landmarks in the cranial base can lead to underestimation of the asymmetry of the menton, anterior nasal spine, and anterior nasal spine-to-posterior nasal spine line. CONCLUSIONS: We suggest using MSPs perpendicular to the Frankfort horizontal plane or a plane passing through anterior nasal spine in clinical practice.
Full Text
https://www.sciencedirect.com/science/article/pii/S0889540617306182
DOI
10.1016/j.ajodo.2017.04.024
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Ho(김경호) ORCID logo https://orcid.org/0000-0002-8154-2041
Chung, Chooryung J.(정주령) ORCID logo https://orcid.org/0000-0001-9399-7193
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/161481
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