The biggest cost variable in aligner treatment is not the brand but whether the plan is comprehensive or limited. Limited treatment aligns the front teeth for appearance without correcting how the back teeth meet; it uses fewer stages, takes less time and costs considerably less. Comprehensive treatment addresses the whole bite. A quote that is markedly cheaper than another is frequently describing the former, so the useful question is what the plan does about your bite, not which system is used. The two other items that catch people out are refinements, additional trays made when movements have not fully expressed, and retainers, which are a permanent recurring cost instead of a one-off at the end. Orthodontic benefits, where they exist at all, usually sit under their own lifetime maximum instead of the annual one, often with an age limit that excludes adults entirely, so confirming that benefit specifically, not assuming general dental coverage applies is worth doing before treatment starts.
Published fees for the coded services
| Service | Delta Dental of Washington plan, 2023 | Maryland Medicaid, 2025 |
|---|---|---|
| Comprehensive orthodontic treatment, adolescent dentition (D8080) | Not listed | $1,035 |
| Comprehensive orthodontic treatment, adult dentition (D8090) | Not listed | $900 |
| Periodic orthodontic treatment visit (D8670) | Not listed | $75 |
| Orthodontic retention (D8680) | Not listed | $200 |
| Replacement of a lost or broken retainer, upper (D8703) | $389 | Not listed |
Private offices can charge more, and fees differ by region and case. Sources: the Delta Dental of Washington fee schedule (as of June 8, 2023) and the Maryland Healthy Smiles 2025 fee schedule. For a fee lookup by ZIP code, see FAIR Health Consumer.
What moves the number
What actually drives aligner cost
| Factor | Detail |
|---|---|
| Comprehensive or limited | The single largest variable. Limited front-tooth alignment is far cheaper and does not correct the bite. |
| Number of stages | How far the teeth must move determines how many trays are required. |
| Whether refinements are included | Additional trays after the initial series are common and should be inside the fee instead of added later. |
| Attachments and interproximal reduction | Usually included, but worth confirming. |
| Retainers | Often quoted separately. Replacements over the years are a recurring cost. |
| Who provides treatment | General dentists and orthodontists both offer aligner treatment, with differing fees and differing case complexity thresholds. |
| Records and imaging | Radiographs, photographs and scans at the start, and sometimes repeat scans for refinements. |
Complete cost
Line items in an aligner estimate
Consultation, radiographs, photographs and digital scans
The aligner series, varying with the number of stages
Attachments and any interproximal reduction
Progress review appointments
Refinement series, if not included
Retainers at the end of treatment
Replacement retainers over the following years
Any restorative work planned afterwards, such as bonding or whitening
Benefits
How plans treat orthodontics
- Orthodontic benefits are usually a separate category with a lifetime maximum instead of an annual one
- Age limits are common, and adult orthodontics is frequently excluded entirely
- Benefits are often paid in instalments across treatment, not upfront
- A waiting period before orthodontic benefits become available is common
- Retainers and replacements may be excluded even where active treatment is covered
- Plans generally treat aligners and fixed braces under the same benefit instead of differently
Pricing red flags
What should make you pause
A notably low quote that turns out to be limited front-tooth treatment
Refinements and retainers not clearly included or priced
Treatment offered without an in-person examination and radiographs
A guaranteed treatment duration given before records have been taken
Direct-to-consumer pricing compared directly against supervised treatment as if equivalent
Insurance
Orthodontic coverage is separate, and it has its own limits
Cigna's guide says not every dental plan covers braces or other tooth-straightening, and that plans that do may cap what they pay in a plan year, restrict coverage to certain ages and require a network orthodontist. MetLife's group page mentions clear aligner therapy options with providers such as Invisalign and Bioliner, which tells you aligners can be part of a plan and are not automatically excluded. Whether yours is covered depends on the plan. Look for an orthodontic benefit in the schedule of benefits, note its age limit and lifetime maximum, and ask whether aligners are treated the same as braces.
See the orthodontic coverage page for how age limits and lifetime maximums usually work.
Scope
Comprehensive, limited and one-arch treatment are different prices
| Factor | Detail |
|---|---|
| Comprehensive treatment | Addresses the whole bite. It typically takes longer and involves more refinements and retainers. |
| Limited treatment | Addresses a few teeth, often the front ones. Check what it will not fix. |
| One arch | Some cases involve only the top or bottom arch. Ask whether the bite would be affected. |
| Refinements and retainers | Find out whether extra sets of aligners, replacement trays and retainers are included, and for how long. |
Who supervises
Orthodontist, general dentist or a remote program
An orthodontist has advanced training in tooth movement and bite relationships. General dentists also provide aligner treatment, and some programs run largely by mail or app. Whatever the route, ask who examines you before treatment, who takes and reads the X-rays, who monitors progress, who you can reach if a tooth or a tray hurts, and who handles a problem after treatment ends. Check what the plan of treatment would be if the result is not what was expected.
Adults with gum disease, missing teeth or large fillings may need those treated first. That work is a separate estimate.
Lowering the bill
Ways to reduce cost without lowering the standard
Ask whether a dental school orthodontic program near you takes patients and how its fees are set
Ask whether your plan has an orthodontic benefit, its age limit and its lifetime maximum
Ask what is included: records, attachments, refinements, retainers and missed-appointment terms
Ask about payment schedules, and check what happens if you stop treatment midway
Ask whether treatment can be limited safely, and what that would leave unaddressed
The IRS says braces are treatment for dental disease and can count as a medical expense. Whether aligners for appearance only qualify is a tax question to put to a professional.
Questions people ask
Common questions
01Why is one aligner quote so much cheaper than another?
+
Most often because it is a limited plan addressing only the appearance of the front teeth instead of comprehensive treatment correcting the bite. Fewer stages, less chair time, lower fee. That is a legitimate treatment in the right case, but it is not the same product. Other differences include whether refinements and retainers are included and whether a specialist is providing treatment. Ask what the plan does about your back teeth.
02Are retainers included in the price?
+
Often not, and they are not optional: teeth drift back without them, permanently. Ask whether retainers are included, how many, and what replacements cost, because you will need them indefinitely and losing one usually means teeth move within weeks. Treating retainers as a recurring cost, not a final purchase gives you a more accurate picture of what orthodontic treatment actually costs over time.
03What are refinements and will I be charged for them?
+
Refinements are additional trays made after the initial series when some movements have not fully expressed. This is common instead of exceptional, and not a sign that anything went wrong. Reputable providers include a defined number in the fee. Ask how many are covered and what happens beyond that, because being charged for refinements you were not expecting is a frequent source of dissatisfaction.
04Will insurance help with aligners?
+
Possibly, if your plan includes orthodontic benefits, but these are usually a separate category with a lifetime maximum, often with age limits that exclude adults, and frequently with a waiting period. Payment is commonly made in instalments over treatment. Plans generally do not distinguish between aligners and fixed braces. Check your orthodontic benefit specifically instead of assuming your general dental coverage applies.
05Are direct-to-consumer aligners a genuine saving?
+
The price difference is real, but so is the difference in what you receive: no in-person examination, no radiographs, no assessment of bone support or gum health, and no supervision if a tooth stops tracking. Moving teeth with untreated periodontal disease can cause rapid and irreversible bone loss. The saving should be weighed against what is not being assessed, not treated as a like-for-like discount.
06Does the cost differ between an orthodontist and a general dentist providing aligners?
+
It can, and fees vary by provider and by the complexity threshold each considers appropriate for aligner treatment. A general dentist's fee is not automatically lower for a comparable case; compare complete written quotes instead of assuming either type of provider is cheaper.
07Are attachments and interproximal reduction billed separately from the aligner fee?
+
Usually they are included in the overall treatment fee instead of billed as separate line items, but this varies by provider: confirm explicitly what the quoted fee actually covers before assuming attachments and any needed reduction are included.
08How much does it cost if I lose or damage an aligner tray?
+
This varies by provider: some replace a lost tray at no charge as part of the treatment fee, others charge for a replacement. Ask specifically what the policy is before treatment starts, since losing a tray is a common enough occurrence to plan for.
09Does needing a longer treatment time than originally quoted cost more?
+
Some providers include refinements within the original fee regardless of how many are needed, while others charge for extended treatment beyond a certain point. Confirm this explicitly, since insufficient wear time is a common reason treatment extends, and it's worth knowing the cost implication before it happens.
10Do digital scans cost extra compared to traditional impressions for aligner treatment?
+
Most providers now include digital scanning as standard within the treatment fee, not charging separately, but confirm this is the case with your specific provider instead of assuming.
11Is a consultation for aligners typically free or charged?
+
This varies by practice: many offer a free or low-cost initial consultation specifically for aligner treatment as a way to assess candidacy, though a full diagnostic workup with records may carry its own fee. Ask what the initial visit includes and costs before booking.
12Does treatment for a teenager cost differently than for an adult?
+
The fee is generally based on the complexity and duration of the movements needed instead of age itself, though age can be a factor when it comes to compliance expectations and whether growth-related timing considerations apply, particularly for younger patients.
13Does insurance cover Invisalign or clear aligners?
+
Sometimes. Cigna says not all dental plans cover braces or other orthodontic care, and that plans have age limits and annual limits. MetLife's group page mentions clear aligner options with providers such as Invisalign. Check your plan's orthodontic benefit, its age limit and its lifetime maximum, and ask if aligners count the same as braces.
14Are aligners cheaper than braces?
+
Not reliably. Cost depends on how complex the case is, how long treatment takes, which refinements are included and who provides it. Ask for an itemized estimate for each option for your own teeth, including retainers and what happens if extra trays are needed. See the aligners versus braces comparison.
15Can a dental school straighten teeth?
+
Some dental schools have orthodontic programs that treat patients at reduced fees, and many do not. The National Institute of Dental and Craniofacial Research points people to dental schools for lower-cost care. Call the program, ask what it offers and how long it takes, and ask who supervises treatment.
Related glossary terms
Sources
- Oral Health TopicsAmerican Dental AssociationAccessed 2026-08-17
- Medicare Dental CoverageCenters for Medicare & Medicaid ServicesAccessed 2026-08-17
- Types of Dental InsuranceCigna HealthcareAccessed 2026-09-24
- Group Dental InsuranceMetLifeAccessed 2026-09-24
- Publication 502, Medical and Dental ExpensesInternal Revenue ServiceAccessed 2026-08-17
- Finding Dental CareNational Institute of Dental and Craniofacial ResearchAccessed 2026-09-23