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WELCOME to  Family Dentistry of St Peters 

We work together to beautify your smile, maintain your oral health, and help improve your appearance. Our Dentists, Dr. Zust and Dr. Riordan together with our experienced and friendly staff take great pride in keeping your smile beautiful. At Family Dentistry of St. Peters, our promise to you is that the veneers, fillings, crowns, and bridges we create for you and your family will look as good as or better than the teeth nature gave you. To make sure that we keep that promise, the products we recommend and use are the highest quality and incredibly durable. You can trust your smile to us.

 Our  objective is to pamper you while providing the finest comprehensive care.  Our dental team provides services in all phases of dentistry from emergency care to total restorations, yet we do not hesitate to refer our patients when we determine that a specific portion of care can be accomplished more quickly by a specialist. 


Our Team strives to make your experience comfortable, while delivering the very best in preventative and restorative care.  The dentists make use of the latest in technology including E4D same day crowns, Invisalign, Planmeca digital x-rays and 3D imaging, bleaching, Picasso soft tissue laser, Tulsa automated endodontics and more.  Our practice embraces change and looks to the future for even better technologies to help us serve our patients even faster and more comfortably.  Each dentist continually strives to be the very best dentist they can.

Dr Zust throws out a first pitch!

               Click to watch



Dr. Riordan wins prestigious Award

The ADA announces 10 under 10 winners

We Subscribe to the American Dental Association Code of Ethics - click below to watch what that means

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Dr Riordan interviewed by Channel 2  -

Click the video to watch

Read an article that was published in the St. Louis Dental Journal about Dr. Riordan

We use Angie's List to assess whether we're keeping valued patients like you happy. Please visit in order to grade our quality of care and customer service.

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