Welcome to Walde Firth Orthodontic Specialists!

Smile! It’s the most contagious way to brighten someone’s day!

Looking for an orthodontist near Washington, MO?

When new patients visit Walde Firth Orthodontic Specialists, we like to make sure they feel respected and comfortable from the very moment they open the door. This friendly, personalized service has made our practice one of the most trusted in all of Missouri.

Dr. Kevin WaldeDr. John Firth, Dr. Kevin Kaiser, Dr. Justin Firth and our team attend to the orthodontic needs of a wide variety of people from our four offices in Washington and Sullivan, Missouri. We look forward to working with you to help you achieve great smiles for your family and yourself.

Are you considering Invisalign® or other clear braces options?

Our practice invests in state-of-the-art technology to provide excellent care for patients of all ages. We use digital imaging equipment for x-rays, which provides unparalleled clarity and accuracy of treatment. We offer traditional metal braces as well as clear ceramic braces. We are also proud providers of Invisalign® clear aligners.

Call us today at our Washington or Sullivan office to schedule your free consultation with Dr. Walde or Dr. Firth. For additional appointment times, please call the office.  Our team is happy to answer any questions you may have about our practice and services.

Are you excited for a new smile that will change your life? Contact us today!


First Visit


Coming in for your first visit? Find out what to expect, what our initial consultation consists of, and what to bring with you when you visit our office. Learn More about First Visit

Kids Club


Kids are special at Walde Miller Orthodontic Specialists! Find out more about our cool, exclusive and FUN Kids Club! Learn More about Kids Club