American Sleep Dentistry's Mezzo Omni Oral Appliance version 2 is an oral appliance designed to treat sleep apnea. This appliances is two dental splints connected mezzolaterally by an adjustable permanent attachment. The attachmentallows the patient to adjust the mandibular articulation either forward (protension) or backward (retension). The Mezzo Omni features a lower profile designed to be worn more comfortably that prior oral attachments.