Looking for a welcoming, modern orthodontic practice in Mercer Island? Advanced Orthodontics provides personalized orthodontic care for children, teens, and adults using advanced technology and a patient-focused approach. From your first visit, you’ll experience clear communication, thoughtful planning, and a calm, supportive environment designed around long-term results.
Advanced Orthodontics is proudly locally owned and doctor-run, serving the Mercer Island community for more than 50 years. Our practice focuses on individualized care, modern orthodontic solutions, and maintaining the close-knit, community-first values that make Mercer Island unique.
Advanced Orthodontics is located in the heart of the Mercer Island business district at 2817 80th Avenue SE. Our office is a central part of the community, offering a welcoming and modern space for families looking for expert care without having to cross a bridge.
We are perfectly positioned for busy island life, situated just a few blocks south of I-90. Our office is within easy walking distance of Mercer Island High School and Mercer View Community Center, making it simple for students to stop by for appointments before or after school. If you’re running errands locally, we are right near popular spots like Metropolitan Market and the Mercer Island Library.

Dr. Todd Steinhart provides modern orthodontic care rooted in experience, energy, and a holistic approach to treatment. He focuses on early intervention, airway considerations, and comprehensive planning to support healthy smiles and long-term oral wellness.
With more than 20 years of orthodontic experience, Dr. Steinhart is recognized as a leading Invisalign provider and is known for his enthusiasm, personalized care, and strong connections with local families. After practicing in Manhattan and Sammamish, he was excited to bring his expertise home to Mercer Island, where he lives with his family and remains actively involved in the community.
At Advanced Orthodontics, we believe orthodontic care should be accessible and straightforward. Our team works closely with families to explain costs clearly and offer flexible financial solutions that make treatment manageable.
Financing options include:
All financial options are reviewed during your free initial consultation, allowing you to choose the plan that works best for your family.
Advanced Orthodontics offers a full range of orthodontic services designed to support healthy alignment, confident smiles, and long-term stability at every stage of life. Treatment plans are carefully customized to each patient’s needs, goals, and growth patterns.
Modern metal and tooth-colored ceramic braces provide reliable, precise tooth movement for a wide range of orthodontic needs.
Clear aligner treatment straightens teeth using custom removable trays designed for comfort, aesthetics, and predictable results.
Custom orthodontic retainers help maintain alignment after treatment and protect long-term smile results with comfortable wear.
Early orthodontic care monitors growth and guides jaw development to reduce complexity and support healthier future alignment.
Teen orthodontic treatment adapts to growth changes while supporting confidence, comfort, and consistent progress throughout care.
Adult orthodontic solutions provide discreet, effective treatment options designed to improve alignment and bite function comfortably.
See the Smile Transformations
Orthodontic treatment creates meaningful, lasting changes. Our before-and-after gallery highlights how customized orthodontic care improves alignment, bite balance, and overall smile confidence for patients of all ages.
Explore real treatment results showing the impact of braces, clear aligners, and carefully planned orthodontic care over time.
Initiating orthodontic treatment often raises questions about comfort, planning, and long-term outcomes. Below are answers to common questions families ask during consultations.
Each treatment plan is customized using digital imaging, bite analysis, and growth evaluation to match individual needs.
Yes. Appointments are efficiently scheduled, and treatment plans are designed to minimize unnecessary office visits.
Some pressure is normal at the beginning, but modern techniques are designed to keep treatment comfortable.
Custom retainers and long-term guidance are provided to help protect alignment and preserve results.
Treatment length varies based on complexity, but timelines are clearly discussed before treatment begins.