Palatal Expander

The 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.




Step 1

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

palatal expander step1


Step 2

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

palatal expander step2


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.

palatal expander step3


Step 4

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

palatal expander step4


**Please note** You should always check with your dentist to make sure of the specific instructions you should follow to adjust your palatal expander, as all mouths are different and your dentist may prefer a different technique or time frame for adjustments for you.

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