When Should a Child First See an Orthodontist? The AAO's Guidance

Updated

The American Association of Orthodontists (AAO) recommends that every child have a check-up with an orthodontist by age 7. This is an evaluation, not necessarily the start of treatment — many children who are checked at 7 won't need braces or aligners yet, but the visit establishes a baseline and lets an orthodontist catch problems while they're still easy to manage.

Why age 7 specifically

By around age 7, most children have a mix of baby teeth and newly erupted permanent teeth, and their jaws are still growing. That combination gives an orthodontist useful information that isn't available earlier or later:

  • Back teeth (first molars) have usually erupted, so the orthodontist can see how the bite fits together.
  • Front permanent teeth are coming in, which reveals crowding, spacing, or alignment issues.
  • Jaw growth is still active, so certain skeletal problems — like a crossbite or an underbite — can be intercepted or guided rather than corrected surgically later.

The AAO frames this as a screening window: the goal is to identify problems early, not to treat every child early.

What the AAO says the check-up can reveal

According to the AAO, an early exam can surface issues that are hard to see without training, including:

  • Crowding or extra or missing teeth
  • Problems with jaw growth or bite alignment (for example, crossbites)
  • Habits that affect dental development
  • Teeth that are erupting in the wrong position

The AAO's position is that not all children need immediate treatment after this visit. Some are simply monitored on a schedule, and treatment starts later if and when it's needed.

Early check-up vs. waiting until all baby teeth are gone

Check-up by age 7 (AAO guidance) Waiting until all permanent teeth erupt
What the orthodontist can see Mixed dentition, jaw growth, emerging bite problems Fully erupted teeth; growth largely finished
Options if a problem exists Monitoring, interception, or guidance of jaw growth Treatment only, sometimes more complex
Typical outcome Many children monitored, some treated early Treatment timing decided later

The trade-off is straightforward: an early visit costs one appointment and may result in "watch and wait," while skipping it can mean a growth-related problem is only noticed once it's harder to address.

Adults are not excluded

The AAO notes that one in four orthodontic patients is an adult. The age-7 guideline is about when to screen children, not a limit on who can be treated. Adults can and do receive orthodontic treatment, and the same treatment categories — braces, aligners, and retainers — apply.

How to act on this

  1. If your child is approaching 7, book an orthodontic check-up even if their teeth look straight. The AAO's reasoning is that some problems aren't visible to parents.
  2. If your child is older than 7 and has never been checked, the guidance still supports an evaluation — earlier is better, but a first visit is still worthwhile.
  3. Use the AAO's Find an Orthodontist tool on aaoinfo.org to locate an AAO orthodontist, who the AAO describes as having the training, experience, and treatment options to evaluate your situation.
  4. Expect an assessment, not an automatic treatment plan. Ask what the orthodontist sees, whether monitoring is appropriate, and when a follow-up should happen.

A note on at-home treatment

The AAO explicitly cautions that orthodontic treatment "is not a quick fix" and warns against at-home treatment trends, including the "mewing" trend. Its stated position is that working with an orthodontist to determine a treatment plan produces better results than self-directed approaches.

Bottom line

Per the AAO: schedule a child's first orthodontic check-up by age 7, treat it as a screening that may lead to monitoring rather than immediate treatment, and remember that adults — about a quarter of orthodontic patients — are candidates too.