With advanced technology diagnosing sleep apnea is easier than ever before, and upper airway screening is now radiation-free. Upper Peninsula Sleep Dentistry measures narrowing and collapses of the upper airways using the FDA approved Eccovision Acoustic Pharyngometer and Rhinometer. The Eccovision system uses sound waves to map out the cross sectional area of the pharynx and nasal airway. Through this process, obstructions and narrow passages are easily identified, allowing the team at Upper Peninsula Sleep Dentistry to create custom oral appliances that are properly fit, and effective.