Dental Health
Are Clear Aligners Faster Than Braces?
By Dr. Joseph "Yossi" Schwimmer, DDS · September 16, 2025 · 8 min read
Clear aligners often take 6 to 18 months, while braces average around two years. Learn what affects treatment timelines and why results vary by dental needs.
Last Updated: November 08, 2026
Sometimes, and mostly for simple problems. Clear aligner treatment is often quoted at six to 18 months, while braces average about two years, but those numbers describe different patients, not one patient on two paths. When researchers compare similar cases, the gap narrows or disappears, and in complicated cases fixed braces often finish sooner and more precisely. Are clear aligners faster than braces in your case? That depends far more on how far your teeth have to move, and how consistently you wear the trays, than on which appliance you pick.
What the Average Timelines Actually Say
The U.S. Food and Drug Administration, which regulates braces and clear aligners as medical devices, puts traditional braces at an average of about two years and clear aligner treatment at six to 18 months in total, with each aligner worn for one to two weeks.
Those two figures are the ones usually set side by side, and they are why aligners have a reputation for speed. The trouble is that they do not come from the same group of patients. Aligners are most often prescribed for mild to moderate problems, while braces take on everything, including the severe crowding and bite problems that take longest to fix under any system. Part of that shorter aligner average is an easier starting point, not a faster appliance.
The FDA makes one more point worth holding onto: there is no faster way to straighten teeth, and moving teeth too quickly can cause tooth loss and breakdown of the bone that holds them. No appliance moves a tooth faster than the bone around it can rebuild.
Are Clear Aligners Faster Than Braces in Similar Cases?
Simple Cases with No Teeth Removed
A 2025 systematic review in Cureus pooled randomized trials comparing the two appliances, but did not pool treatment duration, and the two trials that did report it disagreed. One found treatment took significantly longer with aligners. The other found no difference in overall treatment time. Aligners came out ahead on several measures of finished bite quality and showed no significant difference on the rest. The evidence base was small, 402 patients across seven trials, and the authors asked for larger studies.
For a straightforward case, either appliance will probably take a similar length of time.
Crowded Cases That Need Teeth Removed
Here the evidence leans the other way. A 2023 systematic review looked specifically at cases where premolars were extracted to create space. It concluded that treatment was shorter with fixed appliances, and that braces achieved better tooth angulation and better contact between the upper and lower teeth. The same review noted that aligner cases can drift from the digital plan, so teeth do not always finish where the software predicted. One study in it recorded aligner treatment at about 2.1 years plus up to seven months of refinement, against roughly two years for braces.
What Actually Changes Your Treatment Time
How Far the Teeth Have to Move
Nudging a few front teeth back into line is a different job from closing extraction spaces, correcting a deep bite, or rotating a tooth. Complexity is the largest single factor in your timeline, which is why no honest estimate exists before an exam and X-rays. Reading about the ways crooked or crowded teeth can be corrected will help you ask better questions at your consultation.
Wear Time, Which Only Applies to Aligners
Braces work whether you think about them or not. Aligners work only while they are in your mouth. Published clinical protocols commonly instruct patients to wear each aligner at least 22 hours a day, taking them out only for meals, hot drinks, and oral hygiene. That is a demanding target. In a study of 2,644 aligner patients, about 26 percent hit it on fewer than half of their aligners, and only about 36 percent counted as fully compliant. Hours a tray spends in its case come back at the end as extra weeks.
Habits That Quietly Add Weeks
The FDA notes that chewy or sticky foods, hard candies, and popcorn can damage braces, and repairs stretch treatment out. Poor cleaning causes its own delays, because decay or bleeding gums have to be treated before tooth movement continues. Cleaning carefully around brackets and wires protects the timeline as much as the teeth.
Speed Is Not the Only Thing Worth Comparing
If the two options finish within a few months of each other, other differences carry more weight. Fixed braces give the dentist more control in complex cases, which is where the research favors them. Aligners come out for meals and brushing, which suits some adults and tempts others into wearing them too little.
Both share one feature: the last appointment is not the end. Teeth drift back toward where they started, so the FDA notes a retainer may be recommended after braces to hold them while the surrounding bone settles, and the American Dental Association describes retainers as what keeps a finished result stable. Ask at the consultation which type of retainer you end up with and for how long, because that is part of the real timeline.
When to See a Dentist
During treatment, call your dentist rather than waiting for the next scheduled visit if you notice:
- A tooth that feels loose or grows steadily more sore
- Gums that bleed, swell, or start to pull back from the teeth
- Pain that does not settle within a few days of a new aligner or an adjustment
- An aligner that no longer seats fully, or a loose bracket or wire
- A bite that feels different, or teeth that no longer meet as they did
Mail-order aligners bought without an in-person exam deserve real caution. The ADA opposes direct-to-consumer dentistry and states that moving teeth without knowing every aspect of a patient's oral condition can cause bone loss, tooth loss, gum recession, bite problems, jaw pain, and other permanent damage. Its guidance is to get a full assessment, X-rays included, confirming the teeth and gums are healthy enough to be moved first. If you have already begun with an at-home product, see a dentist to take the case forward.
How Alpine Dental Helps
Alpine Dental lists clear braces among the services Alpine Dental offers, and every alignment decision starts with an exam and X-rays rather than a guess at a timeline. Clear braces are not the same thing as clear aligner trays. They are fixed appliances with tooth-colored or clear brackets, so they stay on the teeth and do not depend on wear time. If your case calls for clear aligners or fixed metal braces, your dentist can tell you whether that treatment is available here or is better handled by a specialist, and can refer you. With more than 10,000 patients treated, the team at our Lakewood and Jackson office will give you a straight answer about what your teeth need.
Are clear aligners faster than braces? It is a reasonable place to start, but rarely the question that decides the outcome. What matters more is how complex your case is, how reliably you can wear a removable appliance, and which option gives your dentist the control your teeth need. A few months either way counts for less than finishing with a bite that works and a result that holds.
Alpine serves Lakewood, Jackson, and nearby Ocean County communities. Call (732) 934-1888 or book an appointment online to have your teeth assessed and get a realistic timeline.
Frequently Asked Questions
Can clear aligners correct the same problems as braces?
Not in every case. The FDA notes plainly that clear aligners may not work for every patient. Research comparing the two in cases needing extractions found fixed braces gave better tooth angulation and better contact between upper and lower teeth, which is why complex crowding and bite problems are often treated with braces instead.
How many hours a day do you have to wear clear aligners?
Published protocols commonly call for a minimum of 22 hours a day, with the trays out only for meals, hot drinks, and brushing, though your own dentist sets your schedule. Falling short slows tooth movement, and in one study of 2,644 patients, only about 36 percent met the target consistently.
Do you need a retainer after braces or aligners?
Usually, yes. The FDA notes a retainer may be recommended after braces to stop teeth drifting back while the bone around them settles, and the ADA describes retainers as what keeps treatment results stable. Plan on retention as part of treatment, not an optional extra.
Are mail-order clear aligners a faster option?
They are marketed that way, but the ADA opposes direct-to-consumer dentistry and warns that moving teeth without knowing every aspect of your oral condition risks bone loss, tooth loss, gum recession, bite problems, and jaw pain. Damage of that kind costs far more time than any shortcut saves.
SOURCES:
- https://www.fda.gov/consumers/consumer-updates/braces-have-changed-what-know-about-traditional-braces-and-clear-aligner-options
- https://www.ada.org/about/press-releases/american-dental-association-reaffirms-policy-opposing-direct-to-consumer-dentistry
- https://www.mouthhealthy.org/DIYdentistry
- https://www.mouthhealthy.org/all-topics-a-z/orthodontics
- https://pmc.ncbi.nlm.nih.gov/articles/PMC12634020/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC10148732/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC8303492/