Expander: Expanding the arch that your teeth sit in is one way braces help to straighten them. If there is not enough room to expand to the amount you need, other appliances such as palatal expanders may be needed in conjunction with your braces. I would recommend a consult with a dentist or orthodontist to best determine what will help your bite.
Answered 8/24/2013
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A doctor has provided 1 answer
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