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.
Adjusting the palatal expander
You can also download these instructions in a printable PDF document.
In a well-lit area, tip the patient’s head back.
Push the key toward the back of the mouth.
Place the key in the hole until it is firmly in place.
Press back and down toward the tongue to remove the key.
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