David Barone Obstructive Sleep Apnea Obstructive sleep apnea (OSA) is defined as the cessation of airflow despite continuously respiratory effort. It occurs when the tongue and soft palate collapse onto the back of the throat, blocking the upper airway and causing air flow into the lungs to be interrupted. The temporary stoppage of air flow leads to gradual reduction in … [Read more...] about Use of Watch-PAT™ in the Management of Sleep Apnea Using Oral Appliance Therapy – David Barone