This can be a difficult question to explain — but yes, you can deduct any medical expenses on your tax returns. There are a few tricky things to watch out for, like your income amounts and other factors. It would be best to talk to a tax professional about all of this.
Other ways to have your braces be tax-deductible are to start a health savings plan or flex spending account. That way you can have money placed onto your card before taxes have been taken out and use this money to pay for your braces treatment.