In the aftermath of a recall by a major CPAP manufacturer, Phillips Respironics, there is national CPAP shortage.   As a result, oral appliance therapy is being considered as a treatment option more than ever before.   The most common therapy for Obstructive Sleep Apnea (OSA) in the United States is positive airway pressure, either a continuous pressure (CPAP) or one that auto adjusts (autoPAP).   An alternative option is a mandibular advancement devices (oral appliance) which has been gaining popularity over the last 10 years. Traditionally, CPAP has been the first choice of physicians for treatment of patients with OSA because of its effectiveness …