Palatal Expander

palatal expander modelOrthodontic expansion is an opportunity to correct narrow upper jaws and provide long term stability to orthodontic treatment. Not every patient is a candidate for expansion. For those that are, rapid palatal expanders develop more room in the dental arch, alleviate crowding, and correct constricted upper arches. The proper use of this appliance when recommended can even help some patients avoid extractions or jaw surgery! Gentle incremental pressure is applied when the appliance is turned. If an expander is used with your treatment plan, we will review when and how to turn the appliance. After active expansion is complete, the appliance will remain in for a period of time 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.

What Our Patients Are Saying

What Our Patients Are Saying

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