Welcome to Mastorakos Orthodontic Associates!

Welcome to Mastorakos Orthodontic Associates, conveniently located in St. Louis, Missouri. Dr. William L. Mastorakos is proud to offer high quality orthodontic care for the entire family in a state-of-the-art, warm and friendly environment.

We offer a wide range of orthodontic treatment options to meet the needs and desires of each individual patient, including traditional appliances, metal and ceramic braces, and Invisalign®. Invisalign is designed to gradually improve your smile using a series of clear, customized aligners. In addition, we offer professional teeth whitening using the Zoom! System. Using the indirect bonding technique, Dr. Bill can place brackets with greater precision, which makes treatment more efficient.

At Mastorakos Orthodontic Associates, our team of skilled and trained professionals is dedicated to providing compassionate, personalized care. Using our precise mix of cutting-edge technology and time-proven methods, we will work to give you a smile you can be proud of!

Schedule your appointment with us at Mastorakos Orthodontic Associates today!

Please visit us on Google to view patient reviews and give us feedback about our service.


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ZOOM! Whitening


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Invisalign Information


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Patient Rewards


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