Does my child need an expander?

Earlier this year, an article in The Atlantic asked why so many children are wearing palate expanders. A dad describes turning his nine-year-old daughter's expander every night, and says nearly one in four of the kids in her class have one, too. The editor of an orthodontic journal summed it up this way: "Everybody's being told they have a narrow jaw, and everyone's being given an expander."

If that left you wondering whether your child really needs one, you're asking exactly the right question. And you're not the only parent asking it.

A narrow jaw is something a provider can see. It isn't the whole story. The more helpful question is why the jaw is narrow in the first place.

The tongue plays a big part. When it rests up against the roof of the mouth, it acts like a gentle, built-in shaping tool for the upper jaw. When it rests low in the mouth instead, which we call low tongue posture, the upper jaw loses some of that everyday support. How your child breathes and swallows matters, too, and so does how safe and settled their body feels.

Making more room can help. But a bigger room doesn't change how the tongue and the body use it. If the habits behind a narrow jaw stay the same, those gentle, all-day forces keep working after treatment ends. That's one reason results can shift, and why retainers exist.

Whatever office you're sitting in, these questions can help you understand your options.

• Why is my child's jaw narrow, and what is the tongue doing at rest?
• What is this treatment designed to change: the amount of room, how the body functions, or both?
• How will we know whether my child's body is ready for this step?
• What happens to the result if habits like low tongue posture or mouth breathing stay the same?
• Which parts of this plan can be adjusted or undone, and which can't?
• Is this an urgent fix, a long-term plan, or both?

A good provider, in any field, will welcome those questions.

Think about building a house. Some approaches put up the walls first and call the electrician afterward. We like to wire as we build.

In NeuralFORM, we look at function from the very beginning: how your child breathes, swallows and rests the tongue, and what the nervous system is telling us. Sometimes that leads to a gentle dental device. Sometimes it leads somewhere else first. Sometimes it means working alongside an orthodontist, an ear, nose and throat doctor, or a myofunctional therapist. Either way, the goal is a decision that makes sense for your child, made in the right order, at the right time.

We don't claim to cure anything. We aim to create a better environment for the body to heal itself, and we'll always be honest with you about what we know, what we're still learning, and how much of a child's progress may simply come from growing.

If you'd like to talk through any of this, please call our office at (618) 281-9729.

Dr. Angie Tenholder

President, The Synergy Academy

Science evolves. Awareness follows. Opportunity opens.

This page is for general information and isn't medical or dental advice. Article referenced: Engber D. "The Bones of Children's Mouths Are Being Wrenched Apart." The Atlantic, January 2026. NeuralFORM is not affiliated with The Atlantic.