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Call Us Today!
(210) 695-1738
Call Us Today!
(210) 695-1738

How Palatal Expanders Work

How Palatal Expanders Work

palatal expander modelThe palatal expander "expands" (or widens) your upper jaw by putting gentle pressure on your upper molars each time an adjustment is made. The animation below will instruct you about when and how to adjust your expander. When you achieve the desired expansion, you will wear the appliance for several months to solidify the expansion and to prevent regression.

Adjusting the palatal expander

You can also download these instructions in a printable PDF document.

Step 1

Step 1

In a well-lit area, tip the patient's head back.

Step 2

Step 2

Place the key in the hole until it is firmly in place.

Step 3

Step 3

Push the key toward the back of the mouth. You will notice the fender will rotate and the new hole will appear. The rotation stops when the key meets the back of the expander.

Step 4

Step 4

Press back and down toward the tongue to remove the key. The next hole for insertion of the key should now be visible.


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In addition, we take pride in the fact that we exceed the guidelines for infection control established by both the CDC and OSHA. Please contact us today to schedule a free consultation. Put your SMILE in our hands.

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Call us today for a free consultation for braces!

Medina Orthodontics
11868 Bandera Rd.
Helotes, TX 78023

Phone: (210) 695-1738
Toll Free: (866) 786-8879
Fax: (210) 695-1736


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