Does My Child Need a Space Maintainer After Losing a Tooth?

Does My Child Really Need a Space Maintainer?

A question we hear often is: If my child loses a baby tooth early, do they need a space maintainer?

The short answer is: sometimes. But there may be a bigger question worth asking first.

What happens when a baby tooth is lost too early?

Baby teeth help guide the development and positioning of the permanent teeth that will eventually replace them. When a primary tooth is removed prematurely because of an accident, decay, or another reason, the neighboring teeth may begin to shift into the open space.

That shifting can change more than just the appearance of the smile. It can affect:

• How the upper and lower teeth come together
• The way a child chews
• The position of the teeth when the mouth is at rest
• The amount of space available for the permanent tooth that will eventually erupt

In some cases, losing space can make it more difficult for the adult tooth to follow its intended pathway into the arch, increasing the likelihood that it may become crowded or “blocked out.”

Do all prematurely lost baby teeth need a space maintainer?

Not necessarily.

Space maintainers are more commonly used when a back baby tooth is lost early, where maintaining the space can be particularly important for the permanent teeth developing behind it.

The front teeth are a little different because the permanent adult teeth begin to show up here much earlier relative to the back teeth. A space maintainer may not always be necessary, although there are creative ways to preserve or replace that space when appropriate.

So, in isolation, yes, it makes sense to consider preserving the space where a baby tooth was lost.

But this is where we like to zoom out.

What if the bigger issue is the size and development of the jaw?

Imagine you're saving a parking spot for a bicycle, but the vehicle you are ultimately going to need space for is a full-size car.

You can preserve that one parking spot perfectly, but if the entire parking lot is too small, you haven't really addressed the bigger problem.