Abstract
Hypertrophy of adenoids and tonsils is considered to be the most important cause of OSAS (obstructive sleep apnea syndrome) during childhood. We performed several cephalometric measurements and two dimensional analysis using PIAS-II (Personal Image Analysis Systcm-II) in maxillo-facial roentgenograms of OSAS children. Thirty three children (2-6 y. o.) were included in this study. They were divided into three groups according to the severity of sleep apnea. Those with severe OSAS tended to have larger adenoids and a narrower epipharyngeal air space than those with mild OSAS children. Children with severe OSAS had a long face and poorly prognatism of the maxilla and mandible.These findings suggest that OSAS is probably due to both adenoidal hypertrophy and abnormal facial bone development.
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