A sleep apnea mouthguard is a custom dental appliance worn during sleep that advances the jaw to keep the airway open — offering effective treatment without a CPAP machine.
Quick Answer
A sleep apnea mouthguard — properly called a mandibular advancement device or oral appliance — is a custom-fitted dental device that repositions the jaw during sleep to maintain airway patency. It is very different from a sports mouthguard and requires professional evaluation, fabrication, and ongoing management.
A sleep apnea mouthguard is a custom dental appliance worn in the mouth during sleep to treat obstructive sleep apnea and chronic snoring. The term "mouthguard" is used colloquially — the clinical term is oral appliance or mandibular advancement device (MAD).
Unlike a sports mouthguard, which sits passively in the mouth to protect teeth from impact, a sleep apnea oral appliance actively repositions the lower jaw in a forward, downward position. This specific jaw position prevents the tongue and posterior soft tissues from collapsing into the airway during sleep.
Sleep Apnea Oral Appliance
Sports Mouthguard
During sleep, the muscles supporting the upper airway relax. In patients with obstructive sleep apnea, this relaxation allows the tongue base and soft palate to fall backward under gravity, partially or fully obstructing the airway. These obstructions cause breathing to pause repeatedly throughout the night.
A sleep apnea oral appliance prevents this collapse by holding the mandible in a slightly forward and downward position. This mandibular advancement creates space in the posterior pharynx by pulling the tongue base and hyoid bone forward — keeping the airway open for unrestricted breathing throughout the sleep cycle.
Candidacy is determined through a combination of sleep study results and dental evaluation. Explore more at our Oral Appliance Therapy Houston page.
Patients frequently ask about comfort, insurance coverage, treatment duration, and whether an oral appliance can truly replace CPAP. These are all important questions. Houston Sleep Associates provides thorough pre-treatment counseling to ensure every patient understands what to expect from oral appliance therapy before committing to treatment.
For detailed answers, see the FAQ section below and explore our related pages on CPAP vs oral appliance and options for CPAP-intolerant patients.
Find Out If a Sleep Apnea Mouthguard Is Right for You
Schedule a consultation with Houston Sleep Associates or take the free sleep apnea assessment today.
Houston Sleep Associates, led by Dr. Holly Boone, provides custom oral appliance therapy for patients throughout Greater Houston and surrounding areas.