Skip to main content

Adult braces: one in five orthodontic patients is over 21

If you assumed the window closed after your teens, it didn't. Here's what's different about treating adults, and what to weigh before starting.

阅读中文版 →
An adult smiling while placing a clear aligner tray over their teeth

The American Association of Orthodontists puts it plainly: one in five orthodontic patients is over the age of 21. Adult treatment is not a niche. It is a fifth of the field.

If you have been assuming you missed your chance, you didn’t. But adult treatment is genuinely different from treating a teenager, and it is worth knowing how before you decide.

Why adults come in

The reasons we hear most:

  • A bad bite where the teeth do not fit together properly
  • Crowding or spacing that makes teeth harder to keep clean, and gums harder to keep healthy
  • Jaw pain or pressure that traces back to crooked teeth
  • Treatment started as a teenager and never finished
  • Simply wanting to stop hiding it in photographs

That last one is a perfectly good reason and you do not need to dress it up as a health concern.

What’s different after the jaw stops growing

This is the real distinction, and everything else follows from it.

In children and teens the jawbones are still developing, which gives an orthodontist something to guide. In adults those bones have finished. We can move teeth through bone at any age — that does not stop — but we cannot influence how the jaws themselves sit relative to each other.

Where the jaws are genuinely misaligned rather than just the teeth, that can mean orthognathic surgery alongside braces. It is not common, and we will tell you early if your case points that way.

Three other things come up more often in adults:

Gum and bone health. Adults are more likely to have some gum recession or bone loss from gingivitis or periodontal disease. That needs to be stable before we start moving teeth — sometimes it means working with your dentist or a periodontist first. Worth saying: straighter teeth are easier to clean, so treatment often helps gum health afterward.

Worn or missing teeth. Teeth wear over decades, and missing teeth let neighbors drift and tilt. Both affect the plan, and sometimes mean coordinating with restorative work.

Incomplete earlier treatment. Very common. A lot of adults wore braces at fourteen, stopped wearing the retainer at sixteen, and are now finishing what they started. Nobody will make you feel bad about it.

Your options

All three are available to adults, and the visibility trade-off is usually what decides it:

Clear aligners — removable, hard to notice, and popular with adults for exactly that reason. They demand discipline: 20 to 22 hours a day, and the discipline is entirely yours. We are a certified Invisalign provider.

Ceramic braces — fixed, tooth-coloured, far less visible than metal. They need more attention to cleaning and are generally used on the upper front teeth.

Metal braces — still the most predictable control over tooth movement, and generally the most economical.

Our types of braces page compares all three properly.

How long

Between about one and three years, depending on how much has to move, which method you choose, and how consistently you wear what you are given. Many adult cases land nearer the middle of that range.

The honest framing: it is a long time in prospect and a short time in retrospect.

On being an adult in an orthodontic office

We treat children, teens and adults, and we know the needs are not the same. Adults have work, meetings and schedules, and want the reasoning explained rather than handed down. That is how we work anyway — we explain, we do not sell.

More on treatment across the ages on our for all ages page.


Wondering whether it is worth it at your age? Call us on (212) 966-9628 or request an appointment, and we will give you a straight answer about your own teeth.

Ready to start your smile?

Give us a call — we'll find a date and time that works for you, usually in the same conversation.

738 58th Street, #1 FL, Brooklyn, NY 11220 · Mon – Sun · 9:30am – 5:00pm