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12 months? 18 months? 2 years? Here's what actually determines how long your child's orthodontic treatment takes — and how to make it shorter.
One of the first questions parents ask at a consultation is some version of: how long is this going to take? It's a completely reasonable question. You're planning around school, activities, budgets, and a kid who'd rather not have braces any longer than necessary.
The honest answer is that treatment length varies significantly depending on what we're treating — but there are some real patterns worth understanding.
For most kids in Phase 2 treatment (full braces or aligners once most adult teeth are in), the average is 12 to 24 months. A typical case is around 18 months. Simpler cases can be done in under a year. More complex cases with significant bite correction can run closer to two years or slightly beyond.
Phase 1 treatment — the early intervention phase done in younger children, usually with expanders or partial braces — is typically 8 to 10 months and always under a year at Anchor Orthodontics.
The complexity of the case. Crowding that just needs teeth aligned is faster than a case involving significant overbite, underbite, or jaw discrepancy. Cases that require moving teeth in three dimensions take longer than cases that just need rotation and leveling.
Whether Phase 1 was done. This is one of the most underappreciated factors. A child who had Phase 1 early intervention — palate expansion, bite correction — comes into Phase 2 with a jaw that's already the right size and in the right position. Phase 2 for that child is often 12 to 14 months. A child who didn't have Phase 1 and needs more comprehensive correction in Phase 2 might take 20 to 24 months for the same end result.
The bracket system used. At Anchor Orthodontics, we use LightForce custom braces — 3D-printed brackets made to fit the exact contour of each patient's tooth. Because each bracket is precisely designed for that tooth rather than being a generic off-the-shelf shape, tooth movement is more efficient. Cases that might take 22 months with traditional braces often complete in 14 to 16 months with LightForce.
Patient compliance. For clear aligners, wear time is everything. Aligners need to be in the mouth 22 or more hours per day to work on schedule. A teenager who consistently takes aligners out during school, sports, and meals and forgets to put them back in will extend their own treatment time. Fixed braces don't have this variable — they're working 24 hours a day regardless.
Keeping appointments. Every missed adjustment appointment adds weeks to treatment. Adjustments are scheduled strategically — each appointment is timed to when the teeth are ready for the next set of movements. Skipping or delaying them slows everything down.
Yes — with the right combination of factors. The patients who finish fastest tend to be those who had early intervention that set up the foundation properly, are in LightForce custom brackets, keep every appointment, and (if in aligners) wear them consistently. For straightforward cases with that combination, treatment under 12 months is genuinely achievable.
Retainers are not optional after braces — they're part of the treatment. Teeth will shift back toward their original positions if not held in place after braces come off. Most patients wear retainers full-time for the first few months, then nights-only indefinitely. The braces phase has an end date; the retention phase doesn't — it's a permanent habit, just like wearing glasses.
At Anchor Orthodontics, we give every family an honest estimate at the consultation based on what we actually see in the records — photos, digital scans, and X-rays. We don't give optimistic estimates to win cases. If your child's treatment is likely to take 20 months, we'll tell you 20 months, not 14. If there's a genuine path to a shorter timeline with a different approach, we'll explain that too.
