The EMA® First Step is a 90 day trial appliance for the treatment of snoring and mild obstructive sleep apnea (OSA).

This device is contraindicated for patients with loose teeth, loose dental work, numerous missing teeth, dentures or other oral conditions that would be adversely affected by wearing an intraoral dental device which maintains the mandible in a protrusive jaw position. The EMA® First Step appliance is also contraindicated for patients who have central apnea, severe respiratory disorders, or are under eighteen years of age. Additional contraindications are active orthodontic treatment and/or active TMJ disorder; pain and clicking noise, limited opening or protrusions