Iowa City: (319) 688-0800Coralville: (319) 626-2142
Top 1% Invisalign Provider — North America

A Straighter Smile, Invisibly.

Dr. Mergen is a VIP Diamond Plus Invisalign orthodontist serving Iowa City & Coralville, IA — trusted by thousands of patients to deliver confident, clear-aligner smiles.

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Candidates for Invisalign

Invisalign clear aligners are a comfortable, virtually invisible way to straighten your smile without brackets or wires. Dr. Mergen's Top 1% Diamond Plus experience means we can treat a wider range of cases than most providers — from simple spacing to complex bite corrections.

  • Crowded, gapped, or crooked teeth
  • Overbite, underbite, or crossbite
  • Mild to moderate bite alignment issues
  • Adults and teens looking for a discreet option
See if you qualify

Treatment tailored to every smile

From your child's first orthodontic visit to a lifelong smile refresh, Mergen Orthodontics offers Invisalign for every stage of life.

Smiling child holding a clear Invisalign aligner
Ages 6–10

Invisalign First

For growing smiles

Early treatment that gently guides jaw growth and creates space for adult teeth — without brackets or wires.

  • Guides jaw development
  • Reduces future treatment
  • Kid-friendly aligners
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Most Popular
Hands demonstrating a clear Invisalign aligner on a dental model
Ages 11–17

Invisalign for Teens

Confidence-friendly aligners

Teen-specific aligners with compliance indicators and eruption tabs. Removable for sports, meals, and photos.

  • Compliance indicators
  • Sport & meal friendly
  • 6 free replacements
Get started
Adult Invisalign patient smiling during a consultation
Ages 18+

Invisalign for Adults

Discreet, low-profile treatment

A grown-up way to straighten your smile. Virtually invisible aligners fit right into your professional life.

  • Virtually invisible
  • Avg. 12–18 months
  • Flexible payment plans
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Trusted by Iowa families

Proven experience. Real reviews. Life-changing outcomes.

20+ Years
Invisalign experience
4.9 / 5
500+ Google reviews
10,000+
Smiles transformed
Top 1%
Diamond Plus provider

Questions
About Invisalign?

Everything you need to know before starting treatment — answered by a Top 1% Invisalign Provider.

Mergen Orthodontics Invisalign patient smiling
Patient Story "I would say it was life changing"Heather C. · Practice Patient
4.9 from 500+ Google reviews
How much does Invisalign cost?
Cost depends on case complexity, treatment length, provider fees, location, and whether refinements or retainers are included. Dental insurance may cover part of the fee, while many practices offer payment plans or financing to make treatment more manageable for patients.
How long does Invisalign take?
Treatment often lasts several months to more than a year, depending on how much movement is needed and how consistently the aligners are worn. Most patients must wear trays 20–22 hours daily and change them on a schedule set by their dentist or orthodontist for best results.
Does Invisalign hurt?
Invisalign can cause mild pressure, tenderness, or temporary soreness, especially when starting a new set of aligners. This usually fades within a few days and is a sign that the trays are moving the teeth. Sharp pain or ongoing irritation should be checked by the provider.
Is Invisalign better than braces?
Invisalign is removable and discreet, while braces are fixed and may handle some complex movements more predictably. The best choice depends on the bite problem, lifestyle, budget, and ability to follow instructions. A professional exam is needed to compare options safely.
Can Invisalign fix my dental problem?
Invisalign may correct crowding, gaps, overbites, underbites, crossbites, and some other alignment issues. Results depend on the severity of the case and whether attachments, elastics, or other tools are needed. Some complex problems may still be better treated with braces.

Still have questions?

Our team is happy to walk you through your options.

Contact our team

Learn more about Invisalign

View all posts
Dr. Mergen smiling with a patient during a consultation
FAQ 7 min read

Invisalign® for Adults FAQ

Many adults assume orthodontic treatment is only for teenagers, but that couldn’t be further from the truth.

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Adult Invisalign patient holding a framed photo of his straightened smile
Treatment 5 min read

Adult Invisalign Treatment

More adults than ever are choosing Invisalign® to achieve healthier, straighter smiles without the appearance of traditional braces.

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Dr. Mergen talking with a teen patient in the treatment chair
Guide 5 min read

Choose the Right Invisalign Orthodontist

Invisalign® has transformed the way people straighten their teeth, offering a discreet and comfortable alternative to traditional braces.

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Book an Invisalign Consultation

Ready to start your journey to a straighter smile? Call the office nearest you or request an appointment online — we'd love to meet you.

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Voted Best Orthodontist Iowa City 2014–2024

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