Island Orthodontics explains the factors that influence your orthodontic timeline.
Your daughter walks in from Robertsdale High School with one question, and it is not about cost. She wants to know how long it will take.
An hour later at our Gulf Shores office, a dad asks the same thing in different words. His son plays spring ball, the family already knows they want treatment, and he wants to know which option gets his son finished sooner.
Here is what we tell every family who asks. The appliance is rarely what decides your timeline. Your bite decides most of it, and you decide the rest.
How Long Do Braces Usually Take?
Most patients at Island Orthodontics finish braces in about 24 to 30 months. The American Dental Association (ADA) describes a general range of one to three years for orthodontic treatment, followed by retainer wear.
That range is wide for a good reason. One rotated tooth and a full bite correction are both treated with braces, and they are nowhere near the same job.
Braces are fixed to the teeth, which means they apply force every hour of every day whether anyone thinks about them or not. That built-in consistency is why we still reach for traditional and ceramic braces for the most demanding cases, including those involving jaw growth or extractions.
Patients in braces see us about every four to seven weeks so we can change wires and check progress.
How Long Does Invisalign Usually Take?
Most Invisalign patients at our practice finish in about 12 to 18 months, moving to a new set of aligners about every one to two weeks. Office visits fall roughly every eight to twelve weeks.
That shorter published range doesn't mean clear trays move teeth faster. It reflects the kind of case that most often ends up in aligners.
Crowding, spacing, and mild relapse after earlier orthodontic treatment are the classic aligner cases, and those finish quickly with either appliance. Deep bites, significant rotations, and cases requiring extractions are more often planned in braces, and those take longer no matter what is on the teeth.
We also offer Island Smile Aligners for cases that suit them, where treatment time varies by case in the same way.
So Which One Actually Takes Longer?
Neither, when they are treating the same problem.
Researchers have asked this question directly. A 2024 systematic review of ten studies, six of them randomized controlled trials, compared how long clear aligner treatment and fixed braces took in patients with mild to moderate crowding. It found no significant difference in treatment duration between the two.
10 studies, no measurable difference
A 2024 systematic review in Clinical Oral Investigations pooled ten studies comparing treatment duration for clear aligners and fixed appliances in crowding cases. The authors reported no significant difference between the two groups.
What it means for you: when the same problem is treated with either appliance, the finish date is roughly the same. Choose based on comfort, appearance, and habits rather than on a promise of speed.
What Genuinely Differs, and What Does Not
| Braces | Invisalign | |
|---|---|---|
| Typical range at our practice | About 24 to 30 months | About 12 to 18 months |
| Why the range differs | Often used for complex bites, growth cases, and extraction cases | Often used for crowding, spacing, and mild relapse |
| Hours of force per day | 24, automatically | 22 or more, only if worn |
| Appliance changes | Wire changes at each visit | New trays every one to two weeks |
| Office visit rhythm | Every four to seven weeks | Every eight to twelve weeks |
| Most common cause of delay | Broken brackets left unrepaired | Trays left out of the mouth |
| Duration in comparable cases | No significant difference | No significant difference |
Read the last row first. Everything above it explains why the two published ranges look different even though the appliances perform alike on the same case.
What Actually Sets Your Timeline
Three things account for most of the variation we see, and only one of them is the appliance.
Distance. How far your teeth have to travel, and whether your jaws need to move, sets the floor for how long treatment can take.
Biology. Bone remodels around moving teeth at a pace that differs from person to person, and no appliance overrides that pace.
Consistency. Force applied every single day finishes sooner than the same force applied most days, which is where patients have real influence.
A case that needs eight millimeters of movement will not finish in the same window as one that needs two, regardless of which appliance is doing the work. That is why we scan and plan before quoting anyone a timeline.
The One Part of the Timeline You Control
Aligners move teeth only while they are in your mouth. The AAO recommends wearing each aligner at least 22 hours a day, in the correct sequence, changing to the next set about once a week.
Do the arithmetic on that. Wearing trays 20 hours instead of 22 gives back two hours a day, which adds up to roughly a month of lost tooth movement over a year of treatment.
It rarely stops there. When a tray is out too often, teeth fall behind the plan, the next tray doesn't seat properly, and the case needs repeated stages or a new scan for refinement trays. Refinement is where aligner timelines quietly stretch past the estimate.
Braces remove that variable, which is a real advantage for a busy teenager who forgets things. It is also why we ask honest questions about routines before recommending an appliance.
- Trays go back in immediately after eating and brushing, not after the next task on your list.
- Keep the case with you. Aligners wrapped in a napkin get thrown away, and a replacement tray costs days.
- Change trays at bedtime so the tightest hours pass while you sleep.
- Keep your previous set until the new one seats fully. If a tray will not seat, call us before the week ends rather than pushing ahead.
When Braces Are the Faster Choice
Aligners work very well for some tooth movements, but other movements are harder for them to control.
A study in The Angle Orthodontist found that aligners were least accurate at moving a tooth up or down into place. They also had more difficulty rotating rounded teeth, such as canines and premolars, and moving the roots of the front teeth.
Aligners were much better at moving back teeth farther toward the rear of the mouth.
This does not mean aligners cannot handle difficult cases. They may simply need extra help from attachments, rubber bands, or additional sets of aligners. These tools work, but they can add time to treatment.
When a case requires several movements that are difficult for aligners, braces may be the faster choice. Dr. Leslie Talbert, Dr. E. Erin Bilbo, and Dr. Renee Dyken make that decision based on your scans and records, not personal preference.
What Adds Time to Either Treatment
The delays we see most often have nothing to do with which appliance a patient chose.
A bracket that comes loose and goes unrepaired stops progress on that tooth entirely. Call us, because an emergency visit takes minutes and a delayed one can cost weeks.
Missed appointments matter more than most families expect, because braces need a fresh wire to keep working and aligners need a progress check before the next series is approved.
Elastics are the other quiet one. When a plan calls for rubber bands, and they are worn part-time, the bite correction simply waits.
Growth can also change the plan. In a younger patient, we may deliberately pause active movement to let jaw development catch up, which is a decision made for the result rather than the calendar.
Getting Treatment Around School, Work, and the Beach
Distance is a real cause of delay along the Gulf Coast, and we designed around it.
We treat patients from six offices: Mobile, Thomasville, Robertsdale, Foley, Gulf Shores, and The Wharf in Orange Beach. Families in the Baldwin County Public Schools zone and the Gulf Shores City Schools zone can find an office within a short drive of the school day, and Mobile County Public School System families have the Airport Boulevard office.
That matters to a timeline more than it sounds. A family that has to drive an hour each way reschedules more often, and every rescheduled visit is a wire that did not get changed.
Why Families Choose Island Orthodontics
- Specialty-trained orthodontists guide every treatment plan. Dr. Dyken, Dr. Talbert, and Dr. Bilbo each completed advanced orthodontic residency training and earned a master’s degree in orthodontics. They use that expertise to choose the most effective treatment and give you a timeline based on your unique smile, not a standard estimate.
- Both appliances, no house default. We offer titanium, ceramic, gold-coated, and Wild Smile braces alongside Invisalign and Island Smile Aligners, so our recommendations are based on your unique case, smile goals, lifestyle, and treatment needs.
- Six offices across Mobile and Baldwin counties. Mobile, Thomasville, Robertsdale, Foley, Gulf Shores, and The Wharf at Orange Beach, which keeps appointment visits short and convenient.
- Visit intervals built around real schedules. Roughly four to seven weeks in braces and eight to twelve weeks in aligners, designed to fit your life.
- Emergency care that protects your finish date. Loose brackets and poking wires get handled quickly, because unrepaired appliances are the most preventable source of delay we see.
Frequently Asked Questions
Does Invisalign take longer than braces?
Usually not. When braces and Invisalign correct the same problem, they tend to take about the same amount of time. Case complexity and daily wear time matter far more than the appliance.
How long do braces take on average?
Most braces patients at Island Orthodontics finish in about 24 to 30 months, with adjustment visits every four to seven weeks. The American Dental Association describes a general range of one to three years. Simple alignment can finish sooner, and full bite correction often takes longer.
Can wearing aligners less than 22 hours a day add months to treatment?
Yes. The American Association of Orthodontists recommends at least 22 hours of daily wear. Dropping to 20 hours removes roughly a month of active tooth movement over a year, and trays that no longer fit the current stage usually mean repeating stages or ordering refinements.
Do adults take longer to treat than teenagers?
Sometimes, though not for the reason most people assume. Adult teeth move, but adults have no remaining jaw growth to work with, so bite corrections that growth would assist in a teenager may need a different approach. Prior dental work and gum health can also affect the plan.
Sources
- Alhamwi, A. M., Burhan, A. S., Idris, M. I., and Nawaya, F. R. (2024). Duration of orthodontic treatment with clear aligners versus fixed appliances in crowding cases: a systematic review. Clinical Oral Investigations, 28(5), 249. DOI: 10.1007/s00784-024-05629-y. https://doi.org/10.1007/s00784-024-05629-y
- Rossini, G., Parrini, S., Castroflorio, T., Deregibus, A., and Debernardi, C. L. (2015). Efficacy of clear aligners in controlling orthodontic tooth movement: a systematic review. The Angle Orthodontist, 85(5), 881 to 889. https://pubmed.ncbi.nlm.nih.gov/25412265/
- American Association of Orthodontists. Braces vs. Clear Aligners: Which Treatment is Best for You? https://aaoinfo.org/whats-trending/braces-vs-clear-aligners/
- American Association of Orthodontists. Clear Aligners: Discreet Ways to Straighten Teeth. https://aaoinfo.org/treatments/aligners/
- American Dental Association. Braces. MouthHealthy. https://www.mouthhealthy.org/all-topics-a-z/braces
