Come Visit Our Orthodontic Office in Arnold

At McDermott Orthodontics, you’ll find an orthodontic practice with the best people and the leading technologies available.

Trusted Orthodontics in Arnold

We proudly serve patients of all ages from Arnold and the surrounding communities, like Saint Louis, Imperial, Kimmswick, Fenton, Liguori, Columbia, High Ridge, Barnhart, West Alton, Hazelwood, Bridgeton, Saint Ann, Saint Charles, Portage Des Sioux, and Earth City.


McDermott Orthodontics
937 Jeffco Blvd.
Arnold, MO 63010


(636) 296-6332

Office Hours

Monday: 8:00 AM – 12:00 PM, 1:00 PM – 4:30 PM
Tuesday: 8:00 AM – 12:00 PM, 1:00 PM – 4:30 PM
Wednesday: Closed
Thursday: Closed
Friday: Closed
Saturday: Closed
Sunday: Closed

Contemporary Comfort

We designed our Arnold orthodontic clinic with your comfort in mind. Relax in our welcoming waiting area, complete with complimentary Wi-Fi and beverages. Our modern facilities are crafted to ensure that your visit is as comfortable and enjoyable as possible.

Impeccable Hygiene

At McDermott Orthodontics, we prioritize your health and safety. Our office uses state-of-the-art digital records for precision and efficiency, employs above-standard sterilization techniques to ensure a safe environment, and features comfortable treatment chairs for a stress-free experience.

Easy Access

Our Arnold location is conveniently located just off the 55 on Jeffco Boulevard, so no matter where you’re coming from, getting here couldn’t be simpler!

Safe & Fun Atmosphere!

I love the staff they are really nice and friendly. My teeth look amazing. It’s a safe and fun atmosphere with great attitude from everyone. You will not regret going here.

- Emily

A Trusted Orthodontist in Arnold

Dr. Richard McDermott is your experienced orthodontist in Arnold, MO. With a profound commitment to orthodontics, Dr. McDermott earned his dental degree from the University of Southern California, where he also completed a rigorous residency in orthodontics. Following his formal education, he received additional training in modern orthodontic practices like 3D cone-beam radiography.

Dr. McDermott’s expertise is recognized in his numerous awards and his research, published in prominent orthodontic journals. His professional affiliations, including his status as an Elite Invisalign Provider, underscore his dedication to providing only the best orthodontic care to his patients.

Beyond his credentials, Dr. McDermott's approach is characterized by a deep personal investment in each patient's health and happiness, ensuring personalized care that extends well beyond the dental chair.

Arnold Braces

Braces remain a powerful option for correcting various dental issues in Arnold. They are particularly effective for complex cases and can achieve faster results compared to other treatments. At McDermott Orthodontics, we use the latest in metal and ceramic braces technology to ensure efficient, comfortable alignment.

Our braces are carefully adjusted to shift the position of your teeth over time, ensuring a perfect fit at every stage of your treatment. Regular visits to Dr. McDermott will keep your treatment on track toward achieving the smile you’ve always wanted.

For those concerned about aesthetics, we offer ceramic braces that blend in with the color of your teeth, making them a popular choice among our adult patients who wish to maintain a professional appearance.

Orthodontics Florissant
Orthodontics Florissant

Arnold Invisalign

Invisalign is a popular choice at McDermott Orthodontics for those seeking a less visible orthodontic treatment. These clear, removable aligners are custom-made using advanced 3D imaging technology to ensure a perfect fit and effective movement of your teeth.

Invisalign’s success relies on your commitment to wear the aligners as directed—typically 20 to 22 hours per day. Dr. McDermott will guide you through the Invisalign process, from initial fitting to final adjustments, ensuring that you achieve the best possible results.

The convenience and discretion of Invisalign make it an ideal solution for professionals, students, and anyone else looking for a less noticeable orthodontic treatment option.

Arnold Braces & Invisalign: Find the Treatment for You

Dr. McDermott excels in crafting personalized treatment plans that consider your unique orthodontic needs, tooth shape, facial aesthetics, and lifestyle. Whether you choose traditional braces or Invisalign, you can be confident that your treatment at McDermott Orthodontics in Arnold will result in a beautifully aligned smile that perfectly suits your individual features.

To explore your options and find out which treatment is best for you, schedule a free consultation with McDermott Orthodontics today. We’re here to answer all your questions and help you on your journey to a confident, radiant smile.

Each treatment plan is backed by our commitment to using state-of-the-art technology and techniques, ensuring you receive the most effective and efficient care available.

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