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KMID : 0362720110490040219
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Journal of the Korean Dental Association
2011 Volume.49 No. 4 p.219 ~ p.226
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An Aerodynamic study used aerophoneⅡ for snoring patients
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Jung Se-Jin
Kim Hyun-Gi
Shin Hyo-Keun
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Abstract
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Snoring and obstructive sleep apnea (OSA) are common sleep disordered breathing conditions. Habitual snoring is caused by a vibration of soft tissue of upper airway while breath in sleeping, and obstructive sleep apnea is caused by the repeated obstructions of airflow for a sleeping, specially airflow of pharynx. Researchers have shown that snoring is the most important symptom connected with the obstructive sleep apnea syndrome The treatment is directed toward improving the air flow by various surgical and nonsurgical methods. The current surgical procedures used are uvulopalatopharyngoplasty(UPPP), orthognathic surgery, nasal cavity surgery. Among the nonsurgical methods there are nasal continuous positive air pressure(CPAP), pharmacologic therapy, weight loss in obese patient, oral appliance(sleep splint). Sleep splint brings the mandible forward in order to increase upper airway volume and prevents total upper airway collapse during sleep. However, the precise mechanism of action is not yet completely understood, especially aerodynamic factor. The aim of this study evaluated the effect of conservative treatment of snoring and OSAS by sleep splint through measured aerodynamic change by an aerophoneⅡ. We measured a airflow, sound pressure level, duration, mean power from overall airflow by aerophoneⅡ mask. The results indicated that on a positive correlation between a decrease in maximum airflow rate and a decrease in maximum sound pressure level, on a negative correlation between a decrease in maximum airflow rate and a increase in duration.
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KEYWORD
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Snoring, Obstructive sleep apnea, Sleep splint, AerophoneⅡ, Airflow
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