A Legacy of Advanced Care
Advanced Care Dentistry has been a cornerstone of dental health in Woodinville for years. Built on a foundation of excellence, Dr. Marxen and Dr. Hwang have cultivated a practice where dental care is combined with cutting-edge technology to give the community all the best dental services under one roof.
Meet Our Doctors

Dr. Thomas O. Marxen, DDS, MSD
Dr. Thomas O. Marxen brings a unique blend of artistic ability and extensive experience to Advanced Care Dentistry. With his background and specialized training (DDS, MSD), Dr. Marxen is dedicated to crafting smiles that are not only healthy but also aesthetically pleasing and natural-looking. He is committed to providing comprehensive care, ensuring each patient receives treatments tailored to their individual needs.

Dr. Sean Hwang, DDS, MS
Dr. Sean Hwang, is an integral part of the Advanced Care Dentistry team, sharing the practice's commitment to excellence and patient-centered care. Dr. Hwang's expertise complements the comprehensive services offered, further strengthening the practice's ability to provide a wide range of advanced dental solutions. His dedication ensures that patients receive the highest level of comfort and quality throughout their dental journey.
Why Choose Advanced Care Dentistry?
From our early days, our goal has been to offer a wide range of specialized treatments, minimizing the need for outside referrals and maximizing convenience for our patients. We’re also proud to be one of the few practices in the area licensed to offer IV conscious sedation, which is a testament to our ongoing commitment to patient comfort.