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.
According to research done by Dr Campbell’s predecessor in 2005, a palatal expander used as early intervention in children results in a 77.6% increase in cross-sectional area. If problems are detected early on with 3D imaging, the appliance can prevent sleep disruption in children.
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.
Place the key in the hole until it is firmly in place.
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.
Press back and down toward the tongue to remove the key. The next hole for insertion of the key should now be visible.