Brushing your teeth at night especially before sleeping & after eating is more important comparing with morning. Because saliva decreases during sleep by 8/1 & mouth self-cleaning decreases, therefore Leftovers & mouth dryness causes of tooth decay. Read more
Airway obstruction can cause breathing disorders, and craniofacial deformation and malocclusion. Upper airway obstruction can be subtle in children, but it can have long term consequences including failure to thrive, behavioral disturbances, developmental delay, sleep disorders , dry mouth and increasing caries .