J Korean Assoc Maxillofac Plast Reconstr Surg.  2005 May;27(3):267-275.

Mean values of cephalometric analysis from Korean adults with abnormal occlusion in relation to the diagnosis of obstructive sleep apnea syndrome

  • 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University, Yongdong Severance Hospital, Korea. omspark@yumc.yonsei.ac.kr


Obstructive sleep apnea syndrome (OSAS) is characterized by sleep-induced obstruction of the upper airway that results in cessation of airflow. Obstruction can occur at a number of points in the airway, but frequently in the oropharynx. A diagnostic evaluation includes cephalometry, computed tomography, magnetic resonance imaging, acoustic reflection technique, polysomnography and fibroptic endoscopy. Cephalometric measurements of the patients with obstructive sleep apnea have revealed that posterior airway anatomy has strong relations with the symptoms of them. A lateral cephalogram is routinely obtained in the radiologic evaluation of sleep apnea patients. The purpose of this study is to provide a the lateral cephalometric korean norms for the diagnosis and treatment of the patients with obstructive sleep apnea by analyzing the abnormal occlusion of Korean.


Obstructive sleep apnea; Cephalometric analysis; Korean norms
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