A custom oral appliance — quiet, comfortable, effective.

For many adults with sleep apnea or snoring, a custom-fitted oral appliance — also called a mandibular advancement device, or MAD — is the simplest, quietest, most patient-friendly treatment available. Often covered by medical insurance. No mask, no hose, no machine.

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Custom mandibular advancement device (MAD) — Panthera D-SAD

Panthera D-SAD™ shown

What it is

A custom appliance that holds the airway open.

A mandibular advancement device (MAD) is a custom-fitted oral appliance worn during sleep. On this page, “oral appliance” and “MAD” mean the same thing and are used interchangeably. It looks similar to a sports mouth guard or a clear retainer, with two parts — one for the upper teeth, one for the lower — connected so that the lower jaw is held slightly forward. That gentle forward position keeps the tongue and soft tissues of the throat from collapsing into the airway during sleep.

Custom-fitted, not over-the-counter

Pharmacy “boil-and-bite” appliances are not the same. A medical-grade MAD is custom-made to your bite from precise impressions, with adjustable advancement and durable materials designed for years of nightly use.

Quiet and travel-friendly

No mask, no hose, no power. The appliance fits in a small case and can go anywhere. Most patients find them dramatically easier to live with than CPAP — especially for travel.

FDA-cleared for sleep apnea

Custom MAD devices are FDA-cleared for the treatment of mild and moderate obstructive sleep apnea, and for severe OSA in patients who cannot tolerate CPAP. Recognized in clinical guidelines as a first-line option.

Who it’s for

Is an oral appliance right for you?

Oral appliance therapy works best for specific patient profiles. Dr. Haller will help you determine if a MAD is the right starting point, the right alternative, or whether a more comprehensive approach makes sense.

Common candidates

Diagnosed mild or moderate obstructive sleep apnea
Loud snoring without diagnosed apnea (after evaluation)
CPAP users who travel often and want a quiet alternative
Patients who’ve tried CPAP and abandoned it
Patients who want immediate relief while exploring longer-term options

Often not the best fit

Severe central sleep apnea (not obstructive)
Significant TMJ dysfunction that worsens with jaw advancement
Insufficient remaining teeth to anchor the appliance
Active, untreated periodontal disease
Patients who would benefit more from addressing the structural cause — see airway expansion

A sleep study comes first

For diagnosed sleep apnea, a sleep study is required before a MAD can be fabricated — both for clinical reasons and for insurance reimbursement. If you haven’t had a sleep study, Dr. Haller can refer you to a sleep physician. Home sleep tests are often appropriate.

A bigger picture

An appliance manages the airway. Expansion changes it.

A MAD device holds the jaw forward each night to prevent airway collapse — it’s management, not anatomy change. Adult airway expansion takes a different approach: it gradually widens the dental arches and nasal passages, creating a permanently larger and more resilient airway.

A different option

Curious how a MAD compares to permanent airway expansion?

See the full side-by-side comparison — what each does, how long treatment takes, what happens after, and which patients benefit most from each approach.

See the comparison →

Frequently asked questions

Common questions about oral appliances.

Is a MAD as effective as CPAP?

For mild and moderate sleep apnea, oral appliances are clinically effective and recognized as a first-line treatment in current guidelines. For severe OSA, CPAP remains more effective on average, but a MAD is often the right choice for patients who cannot tolerate CPAP — partial treatment is better than no treatment.

Will it hurt or feel uncomfortable?

Most patients have a brief adjustment period of one to two weeks — some jaw soreness, extra saliva, or minor tooth sensitivity is normal. These resolve quickly. Once adapted, most patients report sleeping more comfortably than they have in years.

How long does a MAD last?

A well-made custom MAD typically lasts three to five years with regular cleaning and proper storage. Replacement is usually covered by medical insurance on a similar schedule.

Will it move my teeth?

Long-term MAD use can cause minor changes in tooth position over years — usually a slight forward tipping of the lower teeth or a small bite shift. Regular follow-ups, careful fitting, and morning repositioner exercises minimize this. We monitor for changes at every check-up.