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하악 전돌증 환자의 악교정 수술에서 기도 공간의 부피변화에 관한 3차원적 분석
The Three Dimensional Analysis of Volumetric Airway Change In Orthognathic Surgery of Mandibular Prognathism

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Authors
이지호; 팽준영; 명훈; 황순정; 서병무; 최진영; 이종호; 정필훈; 김명진
Issue Date
2005
Publisher
대한악안면성형재건외과학회
Citation
대한악안면성형재건외과학회지 27(6):552-558,2005
Keywords
Airway spaceVolume changeOrthognathic surgeryHyoid bone
Abstract
Orthognathic surgery changes patient's mandibular position and environment of related anatomic structures. Many clinicians were interested in these changes and studied about this problem. However, most of them were based on two dimensional cephalogram. According to the development of image and computer system, it would be possible that the airway change is analyzed with three dimensional CT. So we tried to measure the volumetric change of airway and analyzed the relationship between the airway structure and volumetric change. Nineteen patients who experienced orthognathic surgery due to mandibular prognathism were analyzed with 3D CT data (preoperative and postoperative 6 months) and 2D lateral cephalometry. Volumetric change was measured and 3 dimensional change of related structure was assessed with simulation program (V-works®, 4.0 Cybermed, Korea). Ten patients showed the decrease of airway volume change and nine showed the increase of airway volume change. Volumetric change was determined by dimensional change of mandible and hyoid bone. The dimensional positions of mandible and hyoid bone were the key factor for determining the airway change after surgery. Airway change is also predictable with the dimensional change of mandible and hyoid bone.
ISSN
1225-4207
Language
Korean
URI
https://hdl.handle.net/10371/74415
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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