Yes, orthodontic expenses are considered medical expenses and can be tax deductible. However, there are certain requirements that must be met in order to qualify for the deduction. For more information on how to qualify, please speak to your accountant or tax professional.
Some people take advantage of an employer benefit known as an FSA (flexible spending account) to pay for some or all of their orthodontic costs. FSAs, which are funded using pre-tax money, have a yearly limit. Check with your employer to see if you qualify for this benefit.