Mandibular advancement device for sleep apnea and snoring

Mandibular Advancement Device:
How It Works and How to Get One

What a MAD is, who it suits, what it costs, and the steps to get one

Your partner covers their ears. You wake up tired after eight full hours in bed. Somewhere in your throat, tissue is relaxing and crowding your airway every single night.

A mandibular advancement device is one of the most common prescribed treatments for that problem, and getting one is more straightforward than you might think. Here is what it is, how it works, what it costs, and the exact steps to get one.

Close-up of a custom dental oral appliance

What Is a Mandibular Advancement Device?

A mandibular advancement device, often shortened to MAD, is a custom dental appliance you wear while you sleep. It is also called a mandibular advancement splint, or more generally an oral appliance for sleep apnea. The name tells you what it does: it gently holds your lower jaw, which dentists call the mandible, slightly forward.

That small shift keeps your airway steadier through the night. Oral appliances like this are a commonly recommended treatment for people with mild to moderate obstructive sleep apnea, and for adults with severe apnea who cannot tolerate airway pressure therapy.

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How a MAD Works: The Anatomy in Plain Words

A mandibular advancement device moves the lower jaw forward to help create more space at the back of the throat.

Medical illustration showing a narrowed airway without a mandibular advancement device

Without a MAD

Relaxed tissue can move backward and narrow the airway during sleep.

Airway narrows
Medical illustration showing the jaw forward and a more open airway with a MAD

With a MAD

The jaw moves forward, helping enlarge the space where air flows.

Jaw forward, airway open

While you sleep, the muscles that hold your airway open relax. The base of your tongue and your soft palate can drift backward, narrowing the space where air flows. When air squeezes past that narrowed space, the surrounding tissue vibrates, and you hear it as snoring. When the airway closes completely or almost completely, breathing stops. That is obstructive sleep apnea.

A mandibular advancement device moves the mandible, the tongue, and the soft palate forward together. This enlarges the airway space at the back of the throat and reduces the risk of the airway collapsing during sleep. Less vibration means quieter nights. A steadier airway means fewer breathing pauses.

See how your MAD is made and fitted

Who Is a Candidate for a Mandibular Advancement Device?

Sleep physicians prescribe oral appliances in several common situations. Your sleep study and clinical assessment help determine whether one is appropriate.

01

Mild to Moderate Sleep Apnea

A custom oral appliance may be recommended for adults with mild to moderate obstructive sleep apnea.

02

CPAP Is Difficult to Tolerate

If you cannot tolerate CPAP or prefer another therapy, discuss options with your sleep physician. Explore CPAP alternatives.

03

Regular Snoring

If you snore regularly without known apnea, get assessed to identify the cause and appropriate treatment. Read about snoring mouth guards.

Warning Signs That Point Toward Apnea

  • Loud snoring
  • Gasping or choking during sleep
  • Daytime sleepiness
  • Morning headaches
  • Dry mouth
  • Irritability and trouble concentrating
An important distinction: Severe obstructive sleep apnea usually starts with CPAP, and a sleep physician decides what fits your test results. A custom device is often considered for mild to moderate disease, or for people whose airway pressure therapy is difficult to tolerate. Recognize these signs? Take a home sleep test assessment.
Home sleep testing equipment for physician-directed sleep apnea assessment
One night in your own bed

Why a Sleep Test Must Come First

You cannot order a MAD the way you order headphones. Oral appliance therapy is a prescription treatment. Oral appliances are prescribed by a sleep specialist, and a licensed dentist then provides the device. The diagnosis comes first, and diagnosis comes from a sleep study.

With Dentulu, that study happens in your own bed:

1

A licensed physician orders your test.

2

An FDA-cleared home sleep test is shipped to your door. You wear it for one night.

3

You return it with the prepaid label included in the box.

4

A sleep physician reviews your results within 3 to 5 business days.

Home sleep test cash price starts at $249. If you already completed a sleep study in the past 12 months, it may be usable instead of a new test. Share it during your consultation and the care team will confirm.

How Your Custom MAD Is Made and Adjusted

Proper fit, gradual adjustment, and follow-up help your care team balance comfort with treatment effectiveness.

Digital dental impressions used to create a custom oral appliance

Made From Your Digital Impressions

Once a physician prescribes therapy, a dentist takes digital impressions of your teeth. Your device is then made to those exact contours. Current guidance favors a custom, titratable appliance over non-custom oral devices, because fit and adjustability drive results.

Dental professional adjusting a custom mandibular advancement device

Adjusted Over Time

Jaw advancement typically starts modestly and builds. Dentulu custom devices advance the lower jaw by roughly 3 to 8 mm, and your dentist fine-tunes that position across follow-up visits. This adjustment, called titration, is normal and expected. It helps find a position where your airway stays open and your jaw stays comfortable.

Dental professional reviewing oral appliance fit at a follow-up visit

Side Effects to Expect

Most side effects are minor: dry mouth, extra saliva, gum discomfort, jaw soreness, and small changes in how your teeth meet. Your dentist monitors these at regular checkups, because ongoing oversight is part of proper therapy. A follow-up sleep test then confirms the device is controlling your apnea.

What Will a Mandibular Advancement Device Cost Me?

Your cost depends on your diagnosis, your insurance benefits and the appliance your dentist prescribes - so Dentulu gives you a personalised estimate, not a list price.

INSURANCE & MEDICARE

Often a covered benefit

When prescribed for diagnosed obstructive sleep apnea, oral appliance therapy is a covered medical benefit under many plans, including Medicare. Coverage depends on your plan and eligibility – we verify it for you.

HSA / FSA

Check Your Benefits

HSA and FSA funds can be used for both the home sleep test and your custom appliance.

Dentulu verifies your benefits and gives you a cost estimate before you commit. Try the dental cost estimator or review how dental insurance verification works.

When Snoring Needs Urgent In-Person Care

Oral appliance therapy is planned care. Some situations cannot wait for a plan. Seek urgent in-person medical care if your bed partner observes long breathing pauses that frighten them, you wake gasping and cannot catch your breath, you have chest pain, or your lips or face look bluish.

Untreated obstructive sleep apnea is associated with serious health outcomes, including high blood pressure, coronary artery disease, and stroke.

If Symptoms Are Severe or Worsening

If symptoms are severe or worsening tonight, call 911 or contact emergency services now. A device can wait. Your breathing cannot.

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Recognizing urgent breathing symptoms associated with sleep apnea

How to Get a Mandibular Advancement Device Through Dentulu

Follow these five steps to find out whether a custom MAD is right for you.

1
Book a Virtual Consultation

Describe your snoring, sleep history, and symptoms during a virtual consultation to get started with the evaluation process.

2
Take the Home Sleep Test

Complete a home sleep test ordered by a physician. The test is taken in your own home over one night.

3
Get Your Diagnosis

A sleep physician reviews your test results, confirms your diagnosis, and determines whether oral appliance therapy may be appropriate for you.

4
Get Fitted for Your Custom MAD

If a custom device is right for you, a dentist takes digital impressions of your teeth so your mandibular advancement device can be made to fit.

5
Adjust and Confirm

Receive your device, attend follow-up visits for adjustments, and complete a follow-up sleep check to assess your treatment results.

Start by Understanding Your Airway

Still deciding between therapies? Compare CPAP and oral appliance therapy, or read the snoring mouth guard guide if you are not sure apnea is the issue. A physician-ordered home sleep test can help answer what your airway does at night.

Book a Virtual Consultation

Frequently Asked Questions

MAD stands for mandibular advancement device. It is a custom appliance worn during sleep that holds the lower jaw slightly forward so the airway stays open. A sleep physician prescribes it, and a licensed dentist fits it to your teeth.

A mandibular advancement device is the custom, prescribed version of a snoring mouth guard. It is made from impressions of your teeth, adjusted over time, and backed by follow-up sleep testing. Store-bought snore guards are different: many have not been studied as treatments for obstructive sleep apnea.

No. Oral appliance therapy is a prescription treatment. A sleep study must first confirm whether you have apnea, and a sleep physician decides whether an oral appliance is appropriate for you. A licensed dentist then provides the device. That sequence protects you from treating the wrong problem with the wrong tool.

Cost depends on your diagnosis, your plan and the appliance prescribed, so we give you a personalised estimate rather than a list price. Many medical plans, including Medicare, cover oral appliance therapy for diagnosed obstructive sleep apnea, HSA and FSA funds can be applied, and monthly payment plans are available for anything not covered. Dentulu verifies your benefits and sends you a written estimate before you commit.

Most people adjust within days to weeks. Common early effects include dry mouth, extra saliva, mild jaw soreness, and gum tenderness where the device rests. Your dentist adjusts the device across follow-up visits, and these effects are usually minor.

For severe obstructive sleep apnea, CPAP usually remains the first-line treatment, and a sleep physician makes that call. For mild to moderate apnea, and for adults who cannot tolerate CPAP or prefer another therapy, oral appliance therapy is a recommended option. If your machine is gathering dust, say so during your consultation.

If your sleep study was completed in the past 12 months, it may be usable instead of a new test. Share it during your virtual consultation and the care team will confirm whether it is sufficient. If not, a home sleep test ordered by a physician gets you answers in one night.