Korean J Orthod.
2006 Jun;36(3):228-236.
A cephalometric and dental cast study of obstructive sleep apnea patients
- Affiliations
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- 1Department of Orthodontics, Dong-San Medical Center, College of Medicine, Keimyung University, Dongsan-Dong 194, Jung-Gu, Daegu, Korea. hsh99@dsmc.or.kr
- 2Department of Oral and Maxillofacial Surgery, Dong-San Medical Center, College of Medicine, Keimyung University, Korea.
- 3Department of Orthodontics, College of Dentistry, Kyungpook National University, Korea.
Abstract
- To evaluate the cephalometric and dental characteristics of obstructive sleep apnea (OSA) patients, 23 OSA patients and 15 control, non-OSA, patients who visited the Sleep Disorder Clinic Center, Keimyung University were investigated. Patients who suffered from apnea-hypopnea episodes over 10 times per hour were diagnosed as having OSA after polysomnograph testing. Impressions were taken with alginate. Cephalometric radiographs were taken at maximum intercuspation. The dental cast measurements, including transpalatal width, intercanine width, intermolar width and palatal depth did not differ between the control and OAS groups and did not have a positive correlation with the apnea-hypopnea index (AHI). Upper airway width was statistically narrower than the control group. Upper airway width had a low negative correlation with AHI, but, lower airway width had a low positive correlation, and, the higher the AHI score, the longer the mandibular border to hyoid distance.
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