Airway Orthodontics in Bountiful: Can Palate Expanders Help Your Child Breathe Better?

Medically reviewed by Dr. Andrew Welling, DDS, MS, Orthodontist at Bailey-Welling Orthodontics. Dr. Welling has evaluated thousands of orthodontic cases involving jaw development and bite alignment in children across Davis County, many with airway-related concerns.

Somewhere between a mom group thread and a late-night Google spiral, “airway orthodontics” found you. Maybe you’re now wondering if your child’s mouth breathing, their crowded bite, and their restless sleep are all the same problem with the same fix.

Sometimes they are. Sometimes they aren’t. Now you’re doing a deep dive for airway orthodontics in Bountiful!

Here’s how to tell what’s true and what’s not!

Your Child’s Dentist Said Something About Their Arch

Maybe it was at a routine cleaning. The dentist mentioned a narrow upper arch, or noted that your child’s bite looked a little off. Or maybe you’ve noticed on your own that your child sleeps with their mouth open, or snores more than seems normal for a kid their age.

You’ve probably done some searching and landed on the phrase “airway orthodontics.” And you’ve probably also found a wide range of claims — some practices make it sound like a palate expander can improve sleep, grades, and behavior all at once.

Some of what you’ve read is legitimate. Some of it is fear-based marketing.

Dr. Andrew Welling and Dr. Rett Cortez evaluate children whose parents have these same concerns regularly at Bailey-Welling Orthodontics in Bountiful. Their job isn’t to sell you on a treatment. It’s to look at what’s actually happening with your child’s jaw development and give you a straight answer — including when that answer is “orthodontics isn’t what you need here.”

That’s a less exciting pitch than some of what’s out there. For Bountiful and Davis County parents who want real information, it’s the only kind worth giving.

What “Airway Orthodontics” Actually Means

Airway orthodontics refers to orthodontic treatment that considers how jaw structure affects breathing. When the upper jaw (maxilla) develops too narrow, it can reduce the space available in the nasal cavity directly above it. Treatments like palate expansion may help widen the jaw and support nasal breathing — but only when a structural restriction is actually present.

The phrase gets used loosely, so it’s worth pinning down.

Start with basic anatomy: the roof of your mouth is the floor of your nasal cavity. They share a wall. When the upper jaw — the maxilla — develops too narrow, it doesn’t just affect how your teeth line up. It can physically restrict the space available for nasal airflow.

That structural reality is what gives airway orthodontics a legitimate foundation. Multiple studies have documented measurable increases in nasal airway volume following palate expansion in children, particularly when treatment happens during the window when the jaw is still developing. The connection is anatomically sound and well-supported.

Where things go sideways is the jump from “jaw structure can affect breathing” to “an expander will cure your child’s sleep apnea.” Those are very different claims, and the evidence doesn’t support the second one. Sleep-disordered breathing involves soft tissue, tonsil and adenoid size, airway muscle tone, body weight, genetics, and more. It’s almost never a single-cause problem with a single-treatment solution.

Legitimate airway-conscious orthodontics focuses on treating real structural findings. When better nasal breathing follows, that’s a genuine secondary benefit — not a guaranteed primary outcome.

The Structural Connection Between Jaw Development and Breathing

Here’s how this plays out clinically.

When a child has a constricted upper jaw — meaning the arch is noticeably narrower than it should be for their age and growth stage — a few things tend to happen. 

Their teeth crowd. Their bite may develop a crossbite, where the upper back teeth sit inside the lower ones instead of outside. And because the nasal floor hasn’t widened the way it should, nasal airway space is restricted.

When nasal breathing is harder, children compensate by breathing through their mouth. Chronic mouth breathing can then influence facial growth patterns over time — it changes the posture of the tongue, the development of the soft palate, and can create a self-reinforcing cycle.

Catching a narrow arch during the years when jaw bones are still developing — roughly ages 7 through 12, before the mid-palatal suture begins to fuse — is when orthodontic intervention is most effective and most permanent. After that window closes, the same corrections typically require either more complex treatment or surgical assistance.

This is part of why the American Association of Orthodontists recommends an evaluation by age 7. An early exam doesn’t mean your child starts treatment at 7 — it means you know what you’re working with before that window narrows. Learn more about early orthodontic treatment and what to expect at different stages of development.

Bailey-Welling’s 7 & Up Kids Club exists for exactly this reason: to monitor jaw and bite development in Bountiful and Farmington kids during the years when it matters most, so nothing gets missed and nothing gets overtreated. If you have younger children, the ortho for kids page walks through what signs to watch for and when an evaluation makes sense.

Another factor Dr. Welling and Dr. Cortez evaluate is tongue posture. During nasal breathing, the tongue naturally rests against the roof of the mouth — that contact actually helps shape the upper arch as the jaw develops. When a child breathes primarily through their mouth, the tongue tends to sit low instead, removing that natural pressure. 

Over time, low tongue posture can contribute to a narrower arch and changes in facial growth patterns. In some cases, issues like tongue-tie may also be affecting oral posture and are worth flagging to a pediatric dentist or ENT as part of the overall picture.

What Palate Expansion Can Genuinely Do

A palate expander — sometimes called rapid maxillary expansion — widens the upper jaw gradually by applying gentle, controlled pressure to separate the two halves of the palate before they fuse. Because the roof of the mouth and the nasal floor are the same structure, that expansion can meaningfully increase nasal airway space.

For a child with a genuinely constricted upper arch or posterior crossbite, palate expansion can:

• Create adequate room for permanent teeth without extractions
• Correct a crossbite that’s developing
• Widen the nasal floor, supporting easier nasal breathing
• Encourage nasal breathing by reducing resistance through the nose
• Improve tongue posture by giving it more space to rest properly against the upper palate

Bailey-Welling uses 3D expanders — an advanced approach to palatal expansion that delivers precision in both the direction and amount of movement, with more comfort than older expander designs. When expansion is the right treatment, doing it with current technology makes a real difference in how kids experience it.

These are real outcomes for real patients. The key phrase is “genuinely constricted” — expansion helps when there’s an actual structural problem to correct. It isn’t a general wellness upgrade, and it isn’t something every child with breathing concerns needs.

What Orthodontics Can’t Do

Dr. Welling and Dr. Cortez will not promise that an expander will cure your child’s sleep apnea, stop their snoring, or improve their school performance. That’s where they part ways with the more aggressive corners of airway orthodontics marketing.

The American Association of Orthodontists is direct on this: orthodontists cannot diagnose or cure obstructive sleep apnea. Their published position on sleep-disordered breathing makes clear that while jaw structure is relevant to breathing, there’s no evidence that orthodontic treatment can predict, prevent, or reliably resolve sleep-disordered breathing as a primary outcome.

For most children who snore or show signs of obstructive sleep apnea, the primary cause is enlarged tonsils and adenoids — and that’s an ENT problem. Tonsil and adenoid removal has strong evidence behind it for improving pediatric sleep apnea. An expander without addressing the soft-tissue side of the equation may accomplish very little for sleep quality.

When a parent comes in to our Bountiful office worried about their child’s breathing and Dr. Welling examines them and finds a well-developed arch with normal jaw width — he says so. 

That’s a referral to an ENT, not just selling you an expander you don’t need. The goal is getting you the right answer, not the most billable one.

If any combination of the above sounds familiar, schedule a free consultation. You’ll get a clear answer either way.

What an Honest Evaluation at Our Bountiful Office Looks Like

When you bring your child in for a first visit at our Bountiful office on Pages Lane, the evaluation isn’t designed to find a way to start treatment. Dr. Welling or Dr. Cortez will look at arch width, bite relationship, jaw development, and tooth position — in the context of your child’s age and overall growth stage.

If they find a narrow upper arch or structural crowding that points toward genuine airway involvement, they’ll explain what they see, what treatment would address, and what it realistically might — or might not — change. No inflated promises.

If the jaw looks well-developed and the teeth are tracking normally, they’ll tell you that too, and point you in the right direction from there. If your child is nervous about the visit, Ralphie — the office’s support dog — has a way of making even the most apprehensive kids feel at ease before anything starts. The iTero digital scan, if needed for treatment planning, creates a precise 3D model of your child’s bite without the traditional goopy impressions — so even the diagnostic side of things is more comfortable than it used to be.

When cases have both orthodontic and ENT components, the teams at Bailey-Welling Orthodontics in Bountiful coordinate. Two-phase treatment — early intervention followed by comprehensive treatment later — is sometimes the right answer, and knowing that early gives you the most options. Complex situations get the right people involved.

Frequently Asked Questions

Can a palate expander help my child breathe better?

In cases where a constricted upper jaw is actually restricting nasal airflow, yes — expanding the maxilla widens the nasal floor and can meaningfully improve nasal breathing. But not every child with breathing concerns has a narrow arch, and not every narrow arch is causing breathing problems. An evaluation is the only way to know which situation you’re in.

Is airway orthodontics real or just marketing?

The structural connection between jaw width and breathing is anatomically real and documented. What gets overstated is the claim that orthodontics can cure sleep apnea or snoring. 

The American Association of Orthodontists is clear that orthodontists cannot diagnose or cure sleep apnea. Legitimate airway-conscious orthodontics treats structural problems — improved breathing, when the narrow jaw was the root issue, is a real secondary benefit.

When should my child see an orthodontist in Bountiful about breathing concerns?

The AAO recommends an orthodontic evaluation by age 7. If your child also shows signs of mouth breathing, snoring, or restless sleep, bring that up at the evaluation — it matters to the full picture. Early evaluation doesn’t mean early treatment. It means knowing what you’re working with while options are still open. Bailey-Welling Orthodontics offers free consultations at our Bountiful office with no obligation.

What if my child has enlarged tonsils and a narrow jaw?

They may need both addressed, and the order can matter. In some cases, managing one issue first improves the outcome for the second. Dr. Welling or Dr. Cortez will work with your ENT to coordinate that appropriately rather than treating in isolation.

My child snores but their teeth look fine. Should I still see an orthodontist?

If snoring is your main concern and the arch looks well-developed, an ENT is probably the better first call. That’s exactly what Dr. Welling or Dr. Cortez will tell you if it’s true. If your dentist or pediatrician has flagged a narrow upper arch alongside the snoring, an orthodontic evaluation makes sense.

Does insurance cover airway-related orthodontic treatment?

Coverage is based on the structural finding — a documented crossbite, narrow arch, or crowding — not on the breathing component. If a malocclusion is present, most insurance plans with orthodontic benefits apply the same way they would for any case. The team at our Bountiful office will walk through your specific plan at the consultation so there are no surprises. Learn more about financing options.

What age is best for palate expansion?

Palate expansion is most effective and produces the most permanent results during the years when the mid-palatal suture is still open — generally ages 7 to 12, though this varies by individual development. After that window, the same correction typically requires more complex treatment. Earlier evaluation gives families the most options.

If you’re concerned about your child’s bite, jaw development, or breathing patterns, a free evaluation at our Bountiful or Farmington office gives you real answers — no obligation.