Do Your Kids Need Braces? August 19th, 2022 The answer to when kids should get braces depends on a number of factors. First, it is important to consult with an orthodontist or dentist to assess whether your child needs braces. If the orthodontist determines that braces are necessary, they will usually recommend starting treatment around age 7 or 8. This is because this is typically when kids have lost their baby teeth and their adult teeth have started to come in.