George Wedell, DSS, DS

Palatal Expander

palatal-expanderThe 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.

How the palatal expander is adjusted

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

palatal-expander-step1 Step 1: In a well-lit area, your orthodontist will tip your head back so he can see the mechanism of the palatal expander.
palatal-expander-step2 Step 2: He will insert the key in the hole until it is firmly in place.
palatal-expander-step3 Step 3: Your orthodontist will then push the key toward the back of the mouth. He’ll be looking for the fender to rotate and for a the new hole will appear. He will stop rotating when the key meets the back of the expander.
palatal-expander-step4 Step 4: Your orthodontist will then press back and down toward the tongue to remove the key. The next hole for insertion of the key will now be visible.
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