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《Chinese Journal of Prosthodontics》 2001-02
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Comparison of upper airway dimensions with cephalometry in different posture

WEN Wei-Sheng, HU-Min, LIU Chun-Ming, BU-Rong-Fa, WANG-Zhao-Wu, SHJ Xiao-Wei (Department of Stomatology, General Hospital of PLA, Beijing 100853, China)  
Objective: To compare results of upper airway dimensions with cephalometry in different posture. Methods: A detailed cephalometric analysis was performed using lateral X-ray films in sitting position and supine position from 30 male volunteers. Results: In the supine position, the mandibular and hyoid bone was displaced; the posterior airway space (PAS) turned more narrow compared with sitting position. Conclusions: Lateral X-ray film in supine position is highly recommended as a valuable tool in the diagnosis, treatment option and prognoses evaluation of obstructive sleep apnea syndrome(OSAS).
【CateGory Index】: R780.4
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