Over-the-counter vs custom snoring mouthpiece: which do you need?

What’s going on

Both kinds of mouthpiece work the same basic way. They hold your lower jaw forward, which brings your tongue forward and opens the airway behind it. How jaw-advancing mouthpieces work covers the details.

The difference is in how they’re made, who checks them, and what they’re for:

• Over-the-counter (store-bought): you buy it yourself and fit it at home, usually by softening it in hot water and biting into it. FDA-cleared ones are cleared only to reduce snoring in adults.
• Custom: a dentist makes it from impressions or a digital scan of your teeth and adjusts it over follow-up visits. For sleep apnea, it starts with a physician’s order.

The AASM and AADSM guideline defines a custom appliance as one made from models of your own mouth. A ready-made device that’s trimmed or relined doesn’t count. It calls boil-and-bite devices non-custom.

How they differ

Fit

A custom appliance is built from an exact copy of your teeth. A boil-and-bite mouthpiece is a ready-made tray with a soft liner that you mold at home. How well it fits depends partly on how carefully you mold it.

Fit affects whether it stays in. In one trial in people with mild sleep apnea, a third had trouble with a boil-and-bite device, mostly because it didn’t stay in overnight. Most of those it failed did well with a custom one, and 82% of everyone preferred the custom device.

Adjustability

Some store-bought mouthpieces adjust. SnoreRx, for example, adjusts in 1 mm steps, the maker says, and its FDA file describes up to 6 mm. Others come in fixed sizes.

For sleep apnea, the guideline suggests a custom appliance that adjusts, and the dentist makes the changes. The ADA says titration, adjusting the jaw position step by step, affects how well the appliance works. A dentist may use a home sleep monitor to help find the best position.

Supervision

With a store-bought mouthpiece, no one checks your teeth, gums or jaw joints first, and no one watches for changes. The FDA lists loose teeth, advanced gum disease, central sleep apnea, severe breathing disorders and age under 18 as reasons not to use these devices. You have to rule those out yourself.

With a custom appliance for sleep apnea, the ADA says the dentist should:

1. Evaluate whether an appliance suits you.
2. Explain the treatment, the options, the possible side effects and how long the appliance should last.
3. Watch for and manage side effects.
4. Check and adjust the appliance as needed, and at least once a year.

The physician then arranges a follow-up sleep test to confirm the appliance is working. The AASM and AADSM guideline suggests the same shared care.

Durability

The ADA says dentists should tell patients how long a custom appliance is expected to last, so ask. For a store-bought mouthpiece, check the maker’s warranty and replacement terms before you buy. The comparison table on our mouthpiece guide lists them as we confirm them.

Evidence

For snoring, the guideline rates oral appliances as having strong evidence Strong. That recommendation is for appliances prescribed by physicians, not store-bought ones in particular. The AASM doesn’t recommend over-the-counter devices.

For sleep apnea, it suggests a custom, adjustable appliance over a non-custom one Some. No store-bought mouthpiece is FDA-cleared to treat sleep apnea.

Who needs a custom appliance

You need a physician’s evaluation first, and a custom appliance if one is recommended, when:

• You’ve been diagnosed with sleep apnea, and your physician suggests an oral appliance instead of, or alongside, CPAP.
• You snore loudly and also gasp or choke in your sleep, someone has seen you stop breathing, or you’re tired after a full night.
• A store-bought mouthpiece didn’t help, or it hurt your teeth or jaw.

A dentist trained in dental sleep medicine makes custom appliances. The guideline and the ADA both say a physician diagnoses sleep apnea and orders the appliance. A dentist doesn’t diagnose it.

A store-bought mouthpiece is a reasonable first try when you’re an adult with simple snoring, healthy natural teeth and no jaw joint trouble.

Skip one entirely if you’re under 18 or have central sleep apnea. The same goes for loose teeth, gum disease, dentures, braces, jaw joint problems, or recent implants or major dental work. The who shouldn’t use a snoring mouthpiece page explains each.

What drives the cost of a custom appliance

We don’t quote prices here. What adds to the cost of the custom route:

• The physician visit and sleep test that come before the appliance.
• The dental exam to check that your teeth, gums and jaw can handle an appliance.
• Impressions or a scan, and lab work to build the appliance to your mouth.
• Follow-up visits to adjust it and watch for side effects, at least once a year.
• A follow-up sleep test to confirm it’s working.

See sleep apnea mouth guard cost for what’s known about prices and coverage.

What a dentist or doctor can do

Start with a physician if sleep apnea is possible. They can decide whether you need a sleep test, and only a physician can diagnose it.

If an oral appliance is right for you, a dentist makes and adjusts it. Cleveland Clinic notes it takes about two to four weeks to get used to one.

Short-term side effects can include drooling, dry mouth and sore teeth or jaw; long-term ones include bite changes. See side effects.

A snoring mouthpiece isn’t a night guard for grinding. For how night guards compare, Toothache.com covers custom vs over-the-counter night guards.