What This Guide Covers
This guide breaks down how long braces treatment typically lasts for different types of orthodontic problems. It covers timelines for mild, moderate, and severe cases so you can set realistic expectations before starting treatment.
Whether you are an adult considering braces for the first time, a teenager about to start treatment, or a parent planning orthodontic care for a child, you will find specific timelines here. The guide also explains what factors can speed up or slow down your treatment, what to expect at each stage, and why retainers matter after the braces come off.
Orthodontics is the dental specialty focused on diagnosing, preventing, and correcting misaligned teeth and jaws. You can learn more about what orthodontists do and how they differ from general dentists on the orthodontics page.
Braces Timelines by Case Type
Treatment length depends primarily on the type and severity of your orthodontic problem. Here is a breakdown of typical timelines by case complexity.
Mild Cases: 6 to 12 Months
Mild orthodontic problems generally require the shortest treatment time. These include minor crowding where teeth overlap slightly, small gaps between teeth, and minor rotations of individual teeth.
In many of these cases, braces may only need to be worn for 6 to 12 months. [1] Some patients with very mild spacing or alignment issues may also be candidates for clear aligners, which can sometimes achieve results in a similar timeframe. Your orthodontist will determine which option suits your specific situation.
Keep in mind that even mild cases still require a retention phase after active treatment. Skipping retainers can allow teeth to shift back, regardless of how minor the original problem was.
Moderate Cases: 12 to 18 Months
Moderate cases make up a large portion of orthodontic treatments. These include noticeable crowding that requires teeth to be moved into better positions, moderate overbites (where the upper front teeth extend too far over the lower teeth), and mild to moderate underbites (where the lower jaw sits in front of the upper jaw).
Treatment for moderate problems typically takes 12 to 18 months. [1] During this time, your orthodontist will adjust your wires and may use elastic bands to help guide your bite into the correct position. The middle months of treatment often feel like the slowest period, but small adjustments are happening at each appointment.
Moderate cases may also involve tooth extraction if there is not enough room in the jaw to align all the teeth. When extraction is needed, treatment time can extend slightly because the braces need to close the gaps left behind.
Severe Cases: 18 to 30 Months or Longer
Severe orthodontic problems require the most time and the most precise tooth movements. These include significant crowding, large overbites or underbites, crossbites (where upper teeth sit inside the lower teeth), and open bites (where the front teeth do not touch when the mouth is closed).
Treatment for severe cases typically takes 18 to 30 months, and some complex situations may require even longer. [1] Jaw discrepancies, in particular, can extend treatment because the orthodontist may need to coordinate care with an oral surgeon for orthognathic surgery (jaw surgery) to correct the underlying skeletal problem.
Patients with severe cases should plan for more frequent adjustments and stricter compliance with rubber bands, headgear, or other appliances. The longer timeline can feel discouraging, but each month of treatment builds on the previous adjustments.
Two-Phase Treatment for Children: Phase 1 and Phase 2
Some children benefit from a two-phase approach to orthodontic treatment. Phase 1, also called early or interceptive treatment, typically begins between ages 7 and 10. It addresses developing problems such as a narrow upper jaw, severe crowding, or a crossbite that could worsen with growth. [1]
Phase 1 usually lasts 6 to 12 months. After Phase 1, the child enters a rest period where the orthodontist monitors growth and the eruption of permanent teeth. This rest period can last one to several years.
Phase 2 begins once most or all permanent teeth have come in, usually during early adolescence. Phase 2 involves full braces and typically lasts 12 to 24 months. Not every child needs two phases. Your orthodontist will recommend this approach only if early intervention can meaningfully reduce treatment complexity later.
Factors That Affect How Long You Wear Braces
Several factors beyond case severity influence your total time in braces. Understanding them helps you take an active role in keeping your treatment on track.
Age and Bone Biology
Younger patients, particularly adolescents between the ages of 10 and 17, typically respond faster to orthodontic treatment. Their jawbones are still growing and have a higher rate of bone remodeling, the natural process of breaking down and rebuilding bone tissue. This means teeth move through the bone more easily. [1]
Adults can absolutely achieve excellent results with braces, but treatment often takes somewhat longer. Adult bone is denser and remodels more slowly. Adults are also more likely to have pre-existing dental work, such as crowns, bridges, or missing teeth, that adds complexity to the treatment plan. Typical adult treatment times range from 18 to 30 months for moderate to severe cases.
Biology varies from person to person at any age. Some people's teeth move quickly, while others move slowly under the same forces. Your orthodontist will monitor your progress and adjust the treatment plan as needed.
Patient Compliance and Habits
How well you follow your orthodontist's instructions has a direct impact on treatment length. Rubber bands, also called elastics, are one of the most common compliance-dependent tools. They apply specific forces to correct bite alignment. Wearing them inconsistently can stall progress and extend treatment by several months. [2]
Broken brackets and damaged wires also cause delays. Eating hard, sticky, or crunchy foods is one of the leading causes of bracket breakage. Every broken bracket requires a repair appointment, and the affected tooth does not move correctly until the bracket is fixed.
Missed or rescheduled appointments slow treatment as well. Most orthodontic adjustments happen every 4 to 8 weeks. Missing an appointment means the teeth sit without the updated forces they need to continue moving in the right direction.
Type of Braces
The type of braces you choose can also influence treatment duration. Traditional metal braces remain the most commonly used system and are effective for all levels of complexity. Ceramic braces (tooth-colored brackets) work similarly to metal braces in terms of timeline, though they may require slightly more careful handling because ceramic brackets can be more fragile.
Lingual braces, which are bonded to the back surfaces of the teeth, may have slightly longer treatment times in some cases because they can be more difficult to adjust. Clear aligners, such as Invisalign, can treat many mild to moderate cases in a similar timeframe to traditional braces, but they require wearing the aligners for 20 to 22 hours per day. Lower compliance with aligner wear can significantly extend treatment. [1]
Your orthodontist will recommend the appliance best suited to your specific case. In some complex situations, traditional metal braces may be the most efficient option for achieving the desired result.
What to Expect During Braces Treatment
Braces treatment follows a predictable sequence of stages from start to finish. Knowing what happens at each phase helps you prepare.
Initial Consultation and Records
Your treatment begins with a diagnostic appointment. The orthodontist will take X-rays, photographs, and impressions or digital scans of your teeth. These records allow the orthodontist to study your bite, measure crowding or spacing, and develop a detailed treatment plan. [1]
During this visit, you will receive an estimated treatment timeline and discuss your options for the type of braces. This is a good time to ask questions about expected duration, costs, and what will be required of you during treatment.
Bracket Placement and the First Few Months
Placing braces typically takes one to two hours. The orthodontist bonds each bracket to the surface of a tooth using a special dental adhesive, then threads a wire through all the brackets. You may also receive bands, which are metal rings cemented around back molars for extra anchorage.
The first week after placement is usually the most uncomfortable. Your teeth will feel sore as they begin to move, and the inside of your cheeks and lips may feel irritated by the brackets. Over-the-counter pain relievers and orthodontic wax, a soft wax you press over brackets to reduce friction, can help. [2] Most patients adjust within 7 to 14 days.
During the first few months, the orthodontist focuses on leveling and aligning. This means straightening crooked teeth and evening out the arch shape. You will typically notice visible changes during this early phase.
Mid-Treatment Adjustments
The middle portion of treatment focuses on correcting the bite and closing any remaining gaps. This is when rubber bands are most commonly introduced. Your orthodontist may also use thicker or stiffer wires to apply stronger forces.
Adjustment appointments typically happen every 4 to 8 weeks. At each visit, the orthodontist replaces or adjusts wires, checks bracket positions, and evaluates progress. This phase often feels like the slowest part of treatment because changes are more subtle than the dramatic straightening of the early months.
This is the phase where compliance matters most. Wearing elastics exactly as directed and attending every appointment on time can make the difference between staying on schedule and adding extra months.
Finishing, Removal, and Retention
The final stage of treatment is called finishing or detailing. The orthodontist makes small, precise adjustments to perfect tooth positions, close tiny gaps, and ensure the upper and lower teeth fit together properly when you bite down.
Removing braces typically takes about an hour. The orthodontist uses a special tool to gently pop each bracket off the tooth and then removes any remaining adhesive. Most patients find removal painless, though there may be mild pressure.
Immediately after removal, you will receive retainers. Retainers hold your teeth in their new positions while the bone around them stabilizes. Most orthodontists recommend wearing retainers full-time for the first several months, then transitioning to nighttime wear indefinitely. [1] [2] Teeth have a natural tendency to shift over time, so long-term retainer wear is the only reliable way to protect your results.
Cost Factors for Braces
Braces costs vary widely based on several factors. Costs vary by location, provider, and case complexity.
The type of braces you choose affects the price. Traditional metal braces are typically the least expensive option, with costs generally ranging from $3,000 to $7,000. Ceramic braces often cost slightly more due to the bracket material. Lingual braces and clear aligner systems like Invisalign can range from $4,000 to $8,000 or higher. These are general ranges, and your actual cost may fall outside them depending on your situation. [1]
Treatment duration also influences cost. Longer treatments require more appointments and more materials, which can increase the total fee. Two-phase treatment for children involves two separate treatment periods, each with its own fee, so the combined cost is typically higher than a single phase of treatment.
Many dental insurance plans cover a portion of orthodontic treatment, particularly for patients under 18. Coverage commonly ranges from $1,000 to $2,000, though this varies by plan. Most orthodontic offices offer payment plans that spread the cost over the duration of treatment. Ask your orthodontist's office for a detailed breakdown before you commit.
When to See an Orthodontist
An orthodontist is the right specialist for diagnosing and treating misaligned teeth and jaws. General dentists often identify the need for orthodontic care during routine checkups and then refer patients to an orthodontist for evaluation.
The American Association of Orthodontists recommends that children have their first orthodontic evaluation by age 7. [1] At this age, the orthodontist can identify developing problems with jaw growth and tooth eruption that may benefit from early intervention. Many children will not need treatment at age 7, but an early evaluation creates a baseline for monitoring.
Teens and adults should see an orthodontist if they notice crowding, gaps, difficulty biting or chewing, jaw pain, or teeth that do not come together evenly. Adults with previously treated orthodontic cases who stopped wearing their retainers may also need re-treatment if significant shifting has occurred.
You should also seek a specialist evaluation rather than relying solely on direct-to-consumer aligner services if you have a complex bite issue, missing teeth, or active gum disease. Orthodontists complete two to three years of specialty training beyond dental school, giving them the expertise to manage the full range of tooth and jaw alignment problems. Visit the orthodontics page to learn more about what this specialty involves.
Find an Orthodontist Near You
If you are ready to learn how long braces might take for your specific situation, the best next step is a consultation with a qualified orthodontist. An in-person evaluation with X-rays and a clinical exam is the only reliable way to get an accurate treatment estimate. Use our directory on the orthodontics page to find an orthodontist in your area and schedule a consultation.
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