Choosing a Clear Aligner Brand: 3 Factors That Affect Treatment Duration

- Even the same brand can take twice as long depending on the amount of tooth movement.
- The severity of malocclusion has a greater impact on the duration than the brand.
- Based on a budget of 2 million won, whether partial orthodontics is possible is the turning point for selection.
- Mild Malocclusion: 6-12 months
- Moderate or Severe: 18-24 months
- Cost Difference: Up to 3 million KRW
Brand Isn't What Determines Treatment Duration
After consultation, I received quotes with treatment durations ranging from 6 to 24 months. This article organizes the criteria for choosing clear aligners based on dental condition, budget, and duration.
More than brand differences, the severity of malocclusion doubles the treatment time. Mild cases (2-4mm of tooth movement) have a median duration of 6-12 months, while moderate to severe cases (over 5mm) require 18-24 months.
Clear Aligner Duration Data by Condition
For mild malocclusion (gaps between front teeth, minor rotations), the average duration with Invisalign Go is reported as 7 months, and with domestic brands, it's 6-10 months. The standard replacement cycle for aligners is 7-10 days.
For moderate to severe cases (crowded teeth, underbite), the average duration with Invisalign Comprehensive is 20 months.
If you don't adhere to the aligner wear time (20+ hours a day), treatment can extend by over 6 months.
Caution Clear aligners have lower predictability for tooth movement compared to wires in cases requiring extraction. Many opinions recommend combining with wires if space closure is needed after extraction.
OX Quiz
Clear aligners from more expensive brands have shorter treatment times.
Check the answer
X Treatment duration is proportional to the amount of tooth movement (severity of malocclusion), not the brand. Even within the same brand, mild cases take 6-12 months, while moderate cases take 18-24 months, a difference of over double.
At a Budget of 2 Million KRW, Where Choices Diverge

Partial orthodontics (up to 6 front teeth) range from 1.5 to 2.5 million KRW, while full orthodontics typically cost 4 to 7 million KRW.
With a budget of 2 million KRW, determining the possibility of partial orthodontics takes precedence over brand selection.
Invisalign has high brand recognition, but its costs are concentrated at the higher end.
Domestic brands (ClearCorrect, Eversmile) are 20-30% cheaper for the same cases, but there are reports of individual variations in aligner precision.
| Category | Target | Average Duration | Cost Range |
|---|---|---|---|
| Partial Orthodontics | Minor front tooth movement | 6-10 months | 1.5-2.5 million KRW |
| Full Orthodontics (Mild) | 2-4mm tooth movement | 12-18 months | 4-5.5 million KRW |
| Full Orthodontics (Moderate) | Over 5mm tooth movement | 18-24 months | 5-7 million KRW |
Costs may vary depending on dental condition, clinic, and number of aligners.
Key Takeaway: Finding the Right Clear Aligners for You
First, check your required tooth movement rather than the brand. For mild malocclusion, many reports indicate no significant difference in outcomes with domestic brands.
If you don't adhere to wear time, any brand's treatment period will increase by over 50%. If wearing aligners for 20 hours a day is difficult, fixed braces might be a better option.
- Adherence to wear time determines the duration
- Consider combining with wires for extraction cases
Clear Aligner Selection Guide by Situation
Slight gaps between front teeth, budget under 2 million KRW
Partial orthodontics with a domestic brand
Severely crowded teeth, prioritizing treatment precision over duration
Invisalign Comprehensive
Common Misconceptions
Misconception The brand of clear aligners dictates the outcome.
Truth A 2021 meta-analysis found no statistically significant difference in outcomes between brands for mild malocclusion. While Invisalign is reported to have higher predictability for moderate to severe cases, adherence to wear time is a more significant factor.
Must Check Before Clear Aligners
- !!In cases requiring extraction, closing the space with clear aligners alone may be difficult!! — Confirm with your dentist about combining with wires during your initial consultation.
- If you cannot adhere to the wear time (20+ hours a day), your treatment duration may increase by over 6 months, or you may not achieve your desired results.
- If you have gum disease (periodontitis), bone loss can accelerate during tooth movement, so periodontal treatment should be prioritized before orthodontic treatment.
Frequently Asked Questions
When do side effects of clear aligners appear?
Gum recession (exposure of tooth roots) is observed starting 6-12 months after treatment begins, with a higher risk of occurrence due to excessive force or poor periodontal condition.
Is there a difference in results between domestic brands and Invisalign?
For mild malocclusion, many reports show no significant difference. For moderate to severe cases, clinical data favoring Invisalign's predictability is more prevalent.
What happens if I only wear the aligners for 15 hours a day during treatment?
A 25% deficit from the recommended wear time (20 hours) can slow down tooth movement, leading to delays of over 6 months from the plan or requiring re-fabrication of aligners.
Lumi's Word
The amount your teeth need to move is more important than the brand name. Asking 'How many millimeters of movement is needed?' during your consultation will provide a much clearer picture of the duration and cost. Lumi supports you in making the right choice.
This content is for informational purposes only and does not substitute for medical advice. Always consult with a specialist before undergoing any procedure.





