An Authentic Approach to Orthodontics.
A Great Smile, Simplified.


Truly, A Better Experience

The Northwest Orthodontics Difference

We believe people should feel great about who they are - Period. For us at Northwest Orthodontics, that means giving you a smile you can proudly show off. We don’t just straighten teeth; we make smiles!

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Exceptional, Authentic Orthodontic Care

We all love our jobs and have a blast working on our patients (Seriously, just take a look around our website, and I think you’ll find this to be true).

Meet Our Team

Find Out Why Patients Love Northwest Orthodontics

Getting a great smile doesn’t have to be stressful. We take pride in providing patients with terrific experiences and great smiles. See what some of our patients have to say about us. 

See Our Smiles

Working Hard To Make Treatment Easy

Orthodontic treatment shouldn't be confusing. Our team is here to answer all your questions, concerns, and tips to make treatment effortless.

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We Make Orthodontic Treatment Accessible

At Northwest Orthodontics, we’ve figured out a way to make orthodontic financing simple, affordable, and customized for you and your family.

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Get To Know Dr. Gray 

Dr. Gray is a gigantic, lovable, bald nerd who wishes he was a Jedi. Sometimes the Northwest Orthodontics team catches him making lightsaber noises while using his dental instruments.

Dr. Gray grew up in central Arkansas and left to get his dental degree at the University of Tennessee. After completing his orthodontic residency in Iowa, he returned to Arkansas to start his own practice. 

He loves playing video games with his kids, designing software, reading computer tech news - basically everything a teenaged version of himself hoped for when he grew up. He has five children, a Betta fish, a bearded dragon, and a border terrier and absolutely love calling Northwest Arkansas “home.”

Meet Dr. Gray

Get To Know Dr. O'Sullivan 

Dr. O’Sullivan, like Dr. Gray, is also very tall and loves video games. However, Dr. O has a full head of hair, which he likes to remind Dr. Gray about almost daily.

Dr. O’Sullivan grew up in Tulsa, Oklahoma. He attended Notre Dame for his undergraduate degree (Go Irish!) but returned home to Oklahoma, attending OSU for his DDS and orthodontic residency. After that, he was ready to start a new adventure in Arkansas.

When he’s not at work making smiles more beautiful, he’s spending time with his wife, Senushi, their beautiful daughter, Sienna, and their dog, Laika. He also enjoys cycling and hiking.

Meet Dr. O'Sullivan
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Get To Know Dr. Trieu

Dr. Rebecca Trieu (pronounced "true") joins us as a board-certified orthodontist. She has a passion for helping her patients build self-esteem by creating their perfect smiles. Dr. Trieu completed four years of dental school at Texas A&M Baylor College of Dentistry, then finished her orthodontic residency in Oklahoma City. She then started her own practice in North Texas.

She and her husband, David, visited Northwest Arkansas and fell in love with the area. We're super excited to have her join us!

Meet Dr. Trieu
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Braces & Invisalign in Northwest Arkansas & River Valley

Northwest Orthodontics has three great locations in Fayetteville, Centerton, & Fort Smith. But, we happily provide orthodontic treatment to patients throughout the River Valley & Northwest Arkansas areas.

Our patients come from Alma, Bentonville, Centerton, Farmington, Fayetteville, Fort Smith, Gravette, Lowell, Rogers, Searcy, Van Buren, and the surrounding areas. We even have some patients come to see us from southwest Missouri! 

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Our Virtual Consults Are Free, Convenient, and Honest

We want to do what is best for you and aren’t interested in pressuring people into a decision. Virtual Consult allows us to provide you free consultations from anywhere.

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Northwest Orthodontics is located in Centerton, Fort Smith, & Fayetteville, AR but happily serves Bentonville, Farmington, Springdale, Rogers, Johnson Prairie Grove, West Fork, Tontitown, The River Valley, and Northwest Arkansas. The contents of are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Copying without permission is strictly forbidden.

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