cosmetic-dentistry
What Is Invisalign?
Last reviewed: May 2026 · Haute MD Editorial Team
Invisalign is a brand of clear aligner orthodontic treatment that uses a series of custom-fabricated, removable, nearly invisible plastic trays to gradually move teeth into their desired positions. Each set of aligners is worn for 1-2 weeks before progressing to the next in the series. Invisalign has become the most popular alternative to traditional braces for adults and teenagers, treating mild to moderate alignment issues with the aesthetic advantage of near-invisibility and the practical advantage of removability.
How Invisalign works
3D digital impressions or intraoral scans are taken. Treatment software creates a precise digital simulation of tooth movements from current to final position. A series of aligners (typically 20-40 sets for comprehensive treatment) is fabricated. Aligners are worn 20-22 hours per day, removed only for eating and oral hygiene.
Invisalign treatment levels
Invisalign Full: comprehensive treatment for moderate to complex cases. Invisalign Lite: limited treatment for mild crowding or spacing, fewer aligners. Invisalign Express: very minor corrections in 7-14 aligners. Invisalign Teen: designed for teenagers with special features for growing dentitions.
What Invisalign treats
Crowding, spacing, overbite, underbite, crossbite, open bite, and teeth straightening. Invisalign with attachments (small tooth-colored bumps that anchor the aligner for complex movements) has significantly expanded treatable cases.
Frequently Asked Questions
How long does Invisalign take?
Comprehensive Invisalign treatment takes 12-18 months on average. Minor corrections with Invisalign Lite or Express take 3-6 months. Treatment duration depends on the complexity of tooth movements needed.
How often do I need appointments during Invisalign treatment?
Progress appointments are typically every 6-8 weeks — significantly fewer than the every-4-6-week schedule of traditional braces. This makes Invisalign convenient for busy professionals.
Does Invisalign hurt?
New aligner sets cause temporary pressure and mild discomfort for 1-3 days, reflecting active tooth movement. This is much less uncomfortable than braces tightening appointments.
What happens if I don't wear my aligners enough?
Insufficient wear time (fewer than 20-22 hours per day) slows treatment progress and may cause aligners to become ill-fitting. Compliance is essential — this is the primary limitation of Invisalign vs. fixed braces.
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Dr. Joseph Goodman, DDS
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Cosmetic Dentistry · Beverly Hills, CA
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Dr. Sep Pouresa
Cosmetic Dentist
Cosmetic Dentistry · Beverly Hills, CA
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Dr. Victoria Veytsman
Cosmetic Dentist
Cosmetic Dentistry · Los Angeles, CA
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