Obstructive Sleep Apnea
When Breathing Stops — And What Dentistry Can Do About It
Obstructive sleep apnea is one of the most common and most serious sleep disorders. It's also one where dentistry plays a surprisingly powerful role in treatment.
Tired of your CPAP — or not using it at all?
Does your sleep partner snore, gasp, or stop breathing at night?
You're not alone. CPAP is the gold standard — but studies show up to half of patients stop using it within a year. There are other options worth knowing about.
What Is Obstructive Sleep Apnea?
Obstructive sleep apnea (OSA) occurs when the muscles of the throat relax during sleep and the soft tissues — the tongue, soft palate, and throat walls — collapse inward, partially or completely blocking the airway.
When the airway is blocked, breathing stops. The brain detects the drop in oxygen and triggers a brief arousal — just enough to tighten the throat muscles and restore airflow. This can happen dozens or even hundreds of times per night, each time pulling the sleeper out of deep, restorative sleep.
Most people with OSA have no memory of these events. They don't feel like they're waking up — they just feel exhausted, foggy, and unwell, without understanding why.
Understanding Severity
OSA is classified by the Apnea-Hypopnea Index (AHI) — the average number of breathing interruptions per hour of sleep.
5–14 events per hour
Symptoms may be subtle — light snoring, mild fatigue, occasional morning headaches. Often goes undiagnosed for years.
15–29 events per hour
Louder snoring, more pronounced daytime sleepiness, difficulty concentrating. Cardiovascular risk begins to rise significantly.
30+ events per hour
Frequent gasping or choking episodes, significant oxygen drops, profound fatigue. Associated with serious long-term health consequences.
Recognizing the Signs
OSA symptoms range from the obvious to the easily overlooked. Common signs include:
Loud, chronic snoring
Often the first sign noticed — by a partner, not the sleeper
Gasping or choking during sleep
The body's response to a blocked airway
Excessive daytime sleepiness
Falling asleep during quiet activities, driving, or conversations
Morning headaches
Caused by overnight drops in oxygen levels
Waking with a dry mouth or sore throat
From breathing through the mouth all night
Difficulty concentrating
Brain fog, memory lapses, reduced mental sharpness
Mood changes
Irritability, depression, or anxiety linked to chronic sleep deprivation
Frequent nighttime urination
A lesser-known but common OSA symptom
Who Is at Risk?
OSA can affect anyone, but certain factors increase risk significantly. Excess weight — particularly around the neck — is the most well-known risk factor, as it narrows the airway. But anatomy matters just as much.
A small or recessed jaw, a narrow palate, a large tongue, or enlarged tonsils can all reduce the space available for airflow — regardless of body weight. This is why OSA affects children, lean adults, and people who don't fit the "typical" profile.
Other risk factors include age (risk increases after 40), male sex (though women's risk rises significantly after menopause), family history, nasal congestion, and alcohol or sedative use before bed.
Why OSA Matters Beyond Tiredness
Left untreated, OSA does more than disrupt sleep. The repeated oxygen drops and sleep fragmentation place significant stress on the body over time.
Heart disease
OSA is strongly linked to high blood pressure, irregular heart rhythms, and increased risk of heart attack and stroke.
Type 2 diabetes
Sleep fragmentation and oxygen drops impair insulin sensitivity and glucose regulation.
Cognitive decline
Chronic oxygen deprivation during sleep is associated with memory problems and increased dementia risk.
Weight gain
OSA disrupts the hormones that regulate hunger and metabolism, making weight management harder.
Depression and anxiety
The relationship between OSA and mood disorders is bidirectional — each worsens the other.
Accidents and injury
Daytime sleepiness from OSA significantly increases the risk of motor vehicle and workplace accidents.
The Medical Standard
CPAP: The Gold Standard
Continuous Positive Airway Pressure (CPAP) therapy is the most well-studied and widely prescribed treatment for OSA. It works by delivering a steady stream of pressurized air through a mask, keeping the airway open throughout the night.
For patients who use it consistently, CPAP is effective — it controls apnea events, improves oxygen levels, and reduces cardiovascular risk. It is the benchmark against which all other OSA treatments are measured.
The challenge is compliance. Studies consistently show that 40–50% of CPAP patients stop using the device within the first year. Mask discomfort, claustrophobia, noise, and the inconvenience of travel are among the most common reasons. A treatment that isn't used isn't treating anything.
Control It — or Consider Correcting It
There are two fundamentally different approaches to OSA treatment. Understanding the difference can help you make the right choice for your life.
Control the Airway
CPAP and oral appliances work by managing the airway during sleep — keeping it open night after night. They are effective while in use and are the right choice for many patients, especially those with severe OSA or significant cardiovascular risk.
- CPAP / BiPAP therapy
- Oral appliance therapy (mandibular advancement)
- Positional therapy
Consider Correcting the Anatomy
For patients whose OSA is driven by jaw structure, palate width, or tongue space, certain dental and surgical interventions can create lasting anatomical change — improving breathing not just at night, but all day long.
- Palatal expansion (MARPE)
- Mandibular advancement surgery
- Myofunctional therapy to retrain tongue posture
Airway-Focused Dentistry
How Dentistry Fits Into OSA Care
Dentistry has become an essential part of the OSA treatment landscape — and for good reason. The mouth, jaw, and airway are intimately connected. A dentist trained in airway health can identify anatomical contributors to OSA, collaborate with sleep physicians on diagnosis, and provide evidence-based treatments that many patients find more comfortable and sustainable than CPAP.
Oral appliance therapy (OAT) is an FDA-cleared treatment for mild to moderate OSA and for patients with severe OSA who cannot tolerate CPAP. A custom-fitted oral appliance gently advances the lower jaw during sleep, keeping the airway open and preventing collapse.
For patients whose OSA is driven by narrow jaw anatomy, palatal expansion can create lasting structural change — widening the upper arch, creating more room for the tongue, and improving nasal airflow. Myofunctional therapy can strengthen the muscles of the tongue and throat, reducing their tendency to collapse during sleep.
Airway-focused dentistry doesn't replace your sleep physician — it works alongside them. We collaborate with medical providers to ensure every patient receives a comprehensive, coordinated plan.
Ready to Explore Your Options?
Whether you've been recently diagnosed, can't tolerate your CPAP, or are wondering if there's a more lasting solution — we'd love to be part of your care team.