A palatal expander is a dental or orthodontic tool that makes the upper jaw broader, giving permanent teeth a greater area to grow. Palatal expanders are most commonly used in children, which often leads parents to wonder about the best time for treatment.
The answer depends on the development of the jaw. However, most orthodontists recommend early treatment during the initial growth years for better results.
Understanding How a Palatal Expander Works
The upper jaw, known as the maxilla, grows into two halves linked by a growth plate called the midpalatal suture.
In children, this suture is flexible. An orthodontist installs a fixed oral device on the upper molars. This device slowly widens the jaw by turning a little screw in the middle. The moderate pressure causes new bone to grow, which permanently makes the jaw wider.
Rapid palatal expansion (RPE) is what this procedure is called. Younger people have bones that are still growing, which makes expansion work better and more comfortably.
What Is the Ideal Age for a Palatal Expander?
The majority of orthodontists recommend a palatal expander for kids between the ages of 7 and 14. The ideal window falls between the ages of 8 and 12.
Here are a few reasons why that is so:
- The midpalatal suture remains soft and responsive before puberty
- The jaw adapts quickly to expansion
- Treatment reduces the need for more invasive treatment later
- Early intervention can prevent severe crowding or impacted teeth
According to the American Association of Orthodontists, it is suggested that children aged 7 should consult an orthodontist. Early evaluation allows providers to detect jaw width issues before they progress.
Why Timely Treatment Matters
Once children enter their teenage years, the midpalatal suture starts to fuse. This fusion occurs during puberty, after which expansion can become more difficult. Teens and adults may benefit from a surgical intervention instead of a simple appliance.
Early treatment uses natural growth to guide development. But delayed treatment can involve a longer timeline, higher costs, and more complex procedures.
How to Tell if Your Child Needs a Palatal Expander
Not every child needs a palatal expansion. However, a few signs that dentists and orthodontists look for include:
- Upper teeth that are too close together
- Crossbite (the upper teeth sit inside the lower teeth)
- Narrow jaw on top
- Breathing through the mouth
- Teeth that are impacted
- Speech issues related to jaw structure
A crossbite, in particular, responds best to early treatment. If left untreated, it can cause uneven facial growth and affect facial symmetry.
Benefits of Early Palatal Expansion
There are a lot of benefits to palatal expansion, such as:
Make Space for Permanent Teeth
Expansion makes things less crowded, which can mean that you won’t need to have teeth pulled later.
Makes the Bite More Even
Fixing a thin upper jaw makes it easier for the top and bottom teeth to line up.
Helps the Face Grow in a Healthy Way
The upper jaw is an important part in keeping the face in balance. Early expansion can help growth be more even.
Could Help the Airways Work Better
Some studies show that widening the upper jaw can also make the nasal airway broader. This can be a significant help for kids who have problems breathing.
In Summary
The best age for a palatal expander is between 8 and 12, when the upper jaw is still growing and can withstand a little bit of extension well. Orthodontists can find problems with narrow jaws early on, before they get worse.
If your child has a narrow jaw and you are considering an expander, get a professional dental evaluation first with the dentists at Flourish Pediatric Dentistry. Call us at (281) 394-2520 to schedule your appointment.