임상원저 : 골격성 제3급 부정교합자의 양악 수술 후 상기도 공간의 변화에 관한 두부 계측 방사선학적 연구
Clinical Articles : A Radiographic Study of Changes of Upper Respiratory Airway Space After Orthognathic Surgery of Both Jaws in Patients with Skeletal Class Ill Malocclusion
주범기, 김진태, 조명철, 허종기, 김형곤, 박광호,
소속 상세정보
주범기 ( Joo Bum-Ki ) - 연세대학교 치과대학 구강악안면외과학교실
김진태 ( Kim Jin-Tae ) - 연세대학교 치과대학 구강악안면외과학교실
조명철 ( Cho Myung-ChuI ) - 연세대학교 치과대학 구강악안면외과학교실
허종기 ( Huh Jong-Ki ) - 연세대학교 치과대학 구강악안면외과학교실
김형곤 ( Kim Hyung-Gon ) - 연세대학교 치과대학 구강악안면외과학교실
박광호 ( Park Kwang-Ho ) - 연세대학교 치과대학 구강악안면외과학교실
KMID : 0360120070290020148
Abstract
Purpose: The aim of this study is the changes of upper respiratory airway space in patients with mandibular prognathism after 2-jaw orthognathic surgery in patients with skeletal classs III malocclusion.
Method: We measured the lines between selected upper airway landmarks on lateral cephalometric xray films of skeletal class III 64 persons who had not been operated yet, were 6 months after operation. The test subjects were divided into 3 groups according to maxillary movement, as follows; maxillary advancement (MA) group, maxillary posterior impaction (MPI) group, maxillary posterior impaction and superior repositioning (MPI+MSR) group.
Results: In this study, nasopharyngeal airway space in MPI+MSR group was significantly increased after operation (p<0.05). Oropharygeal and hypopharyngeal airway space in MA group and MPI group were significantly decreased after operation (p<0.05). From hyoid bone to anterior mandible point distance in MA group and MPI group were significantly decreased after operation (p<0.05).
Conclusion: Oropharygeal and hypopharyngeal airway space were influenced more by mandibular setback than maxillary movement. Maxillary movement surgery as well as mandibular setback surgery should be taken into consideration in order to minimize symptoms related to obstructive sleep apnea syndrome after operation.
키워드
Orthognathic surgery;Upper respiratory airway space;Cephalometric study
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