The #1 Invisalign provider in the nation is right here in the DMV.



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Northern Virginia Orthodontics’ goal is more than smile correction – it’s smile perfection. Dr. Zach Casagrande, Dr. Elvi Barcoma, Dr. Danielle Robb & Dr. Jessica Itani have successfully treated the most Invisalign® cases in the entire country, and NVO is ranked as the #1 Invisalign provider in North America.

There are millions of great smiles, and one best way to yours. The team at NVO can treat ANY case with clear aligners, from mild to complex malocclusions, and offers a variety of treatment options to fit every patients’ needs. Transform your smile – safely – at home with Smile Express by NVO™, a doctor-supervised treatment alternative to at-home orthodontic kits. Or get the smile of your dreams while you’re fast asleep with Nightlign by NVO™, a nighttime-only Invisalign treatment. No matter what your situation is, NVO can create a custom treatment plan to fit your lifestyle!

NVO has four convenient offices throughout the DC metro area: NVO’s Ashburn and Reston locations are open to braces and Invisalign patients, while our specialized Invisalign Studio offices in One Loudoun and Tysons Corner can help new and current Invisalign patients find the best way to their very best smiles. Whether you’re looking for an in-person consultation or a virtual appointment, we have the options to fit your needs. Discover the reasons why we’re the smartest choice for your perfect smile.

Reserve your free Invisalign consultation now at the NVO Invisalign Studio.
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Invisalign isn't just for adults! Find out how Invisalign First can transform your little one's smile too.
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Is Invisalign Right for You?
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Treatment Completely Aligned With Your Goals.

Invisalign treatment uses a series of virtually invisible, removable, and comfortable aligners that allow you to smile more during treatment as well as after. Invisalign clear aligners are made with 3D computer imaging technology and has been proven effective in treating a variety of cases including crowding, spacing, crossbite, overbite, and underbite.

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Questions about Invisalign?

Our expert staff of Invisalign specialists are here to help you.

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Over 20,000 Smiles Perfected

“I’m so glad I made the investment to go with aligners rather than metal braces. I’ve heard stories of people having food stuck in their metal braces, and I didn’t want to go through that. It’s so easy – all I have to do is remove my aligners when I eat.”


Dr. Casagrande and his staff are the best in the business. From the moment you walk in, you understand why this practice is highly recommended. The entire process he has in place is seamless and he takes time to carefully explain the procedures so that even the smallest of clients understand. His staff is fun, knowledgeable, and passionate about what they do!

Dale D.

From the minute we walked into Northern Virginia Orthodontics office, we’ve loved them. They are so friendly. It is an amazing, positive atmosphere. And we always leave feeling like we know what was done and why. We can’t recommend them enough!

Courtney C.

Smiles that Speak
for Themselves.

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