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폐쇄성 수면 무호흡 환자에 있어서 구내장치 반응성에 대한 두부 방사선학적 연구

Other Titles
 A cephalometric study in patients with obstructive sleep apnea after use of oral appliance 
Authors
 경승현  ;  박영철 
Citation
 Korean Journal of Orthodontics (대한치과교정학회지), Vol.30(3) : 287-296, 2000 
Journal Title
 Korean Journal of Orthodontics (대한치과교정학회지) 
ISSN
 2234-7518 
Issue Date
2000
Keywords
Obstructive sleep apnea ; Intraoral appliance snoring ; Cephalogram ; Polysomnograph
Abstract
It is well known that oral appliance could improve respiratory difficulty in patients with obstructive sleep apnea (OSA). To evaluate the effect of oral appliance, polysomnography and cephalometry were performed in OSA patients before and after oral appliance was used. Twenty four OSA patients were included in this study. Respiratory difficulty index (RDI) was obtained from polysomnography and the movement of soft palate, tongue, posterior pharygeal wall, hyoid bone, and mandible and the variables of the facial pattern were measured on the cephalogram. The changes of cephalometric parameters were compared to the RDI changes and the correlation was tested. After oral appliance was used, RDI decreased from 46.8 to 13.3. There was significant relationship between RDI improvement and the anterior movement of the mandible and superior movement of the hyoid bone. In 8 patients whose RDI was most improved, RDI improvement rate was correlated with the anterior movement of the on tongue and anterior-posterior (AP) diameter of the airway at the levels between the lower portion of the soft palate and epiglottis. These results could conclude that anterior movement of the tongue and superior movement of the hyoid bone would be favorable cephalometric parameters for the improvement of OSA.
Files in This Item:
T200001738.pdf Download
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Park, Young Chel(박영철)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/172353
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