Clinical findings in Japanese children with obstructive sleep apnea syndrome. Focus on dental findings.

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We evaluated clinical findings including those on dentistry and in the oral cavity of children with obstructive sleep apnea syndrome (OSA). This study examined twenty-seven OSA children, who were advised by otolaryngologists to be admitted for closer examination and showed an apnea index (AI) of 5 or more on polysomnographs. Their clinical history was obtained from their mothers, and oral findings were also evaluated. The patient consisted of 15 males (56%) and 12 females (44%). The mean body mass index (BMI) was 16.0 ± 3.0. Of the clinical findings related to sleeping and the duration of sleeping, snoring was the most frequently observed finding (100 %). The mean duration of sleep, calculated from the time they went to bed (9.2±0.8 p.m.) and the time they got up (7.1±0.8 a.m.), was 9.9±1.0 hours. Of the clinical findings obtained during the daytime, hyponasal speech was the most frequently observed finding (74%). In terms of dentistry, oral breathing was the most frequently observed finding (89 %). The mean duration of meals was 31.7 ± 13.8 minutes. Results of oral examination revealed that Hellman's dental age was most frequently IIA. According to the standardized grading classification, grade I was observed in 7 %, II in 63 %, and grade III in 30% of subjects. (J. Oral Sci. 41, 99-103, 1999)
日本大学歯学部の論文