Palatal Expanders
Palatal Expanders
A palatal expander is an orthodontic appliance that gently widens the upper jaw. It is most often considered for growing children and teens, when the bones of the palate are still developing and can be guided into a better shape.
Why an expander may be recommended
An upper jaw that is narrow for the lower jaw can affect how the bite comes together. Orthodontists commonly look at expansion when they see:
- Crossbite — some of the upper bite sits inside the lower bite instead of slightly outside it.
- Crowding — there is not enough room in the arch for everything to line up.
- Impacted or blocked-out positions — a narrow arch can leave too little space for some to come in properly.
- Narrow smile shape — the upper arch looks tight or V-shaped from the front.
How an expander works
The appliance fits across the roof of the mouth and is adjusted in small steps over time. This applies gradual pressure that encourages the two halves of the palate to move apart, creating more room. After the desired width is reached, the appliance is usually kept in place for a period while the area settles. Your orthodontist decides the timing and the details for each patient.
Is it right for you or your child?
Expansion is often discussed as part of early or two-phase orthodontic care, but every mouth is different. An orthodontic evaluation is the way to find out whether an expander makes sense. Our team, including Dr. Hoda Salim, can explain the options and answer your questions. Reach out to learn what to expect.
This content is for general information only and isn't dental or medical advice. Talk with your dentist or orthodontist about your own situation. If you have a medical emergency, call 911.
