Prevalance of sleep-disorded breathing and efficacy of twin block appliance treatment in saudi children with class ii malocclusion and obstructive sleep apnoea

Obstructive sleep apnoea (OSA) is a disorder of breathing during sleep characterized by prolonged partial upper airway obstruction and/or intermittent complete obstruction that disrupts normal ventilation during sleep and normal sleep patterns. It is an increasing major public health concern worl...

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