Personalized orthodontic treatment for every stage of life — from your child's first visit to the confident smile you've always wanted. Located in the heart of The Beaches, Toronto.
We use 3D digital scanning, AI-powered treatment planning, and the latest orthodontic materials to deliver faster, more precise results with greater comfort.
Our orthodontist completed an additional 2–3 years of specialized training beyond dental school. You're in the hands of a true specialist — not a general dentist offering orthodontics on the side.
We take time to understand your goals, explain your options clearly, and never rush your treatment. Your comfort and confidence matter as much as your clinical results.
We pride ourselves on accommodating our patients' schedules, making rebooking easy, and running our days smoothly and on time. Transparent pricing and flexible payment plans mean world-class orthodontic care fits into your real life — not the other way around.
Schedule a consultation today to explore your personalized treatment options.
Hear directly from our patients about their transformation journey and why they trust Orthodontics on Queen.
"I was nervous about getting braces as an adult, but Invisalign was a game-changer. The team at Orthodontics on Queen made the whole process so smooth and comfortable. My smile has never been better!"
Sarah Mitchell
Patient • Invisalign
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Happy Patients
Specialty Care



At Orthodontics on Queen, we believe that exceptional orthodontic care should feel as good as it looks. We treat patients of all ages— from kids starting their orthodontic journey, to teens perfecting their smile, to mature adults seeking transformation. We also specialize in re-treatment for those whose teeth have shifted over the years.
Nestled in the heart of The Beaches on Queen Street East, our modern clinic combines cutting-edge technology with a warm, patient-first approach. We offer a variety of cosmetic orthodontic options—from clear aligners to ceramic braces—for those who are most esthetically conscious. From your initial consultation to the day your treatment is complete, we're with you every step of the way.
"After teaching for more than 35 years, I can tell you that Dr. Seetner is one of the most intelligent & clinically skilled orthodontists I have ever taught. More importantly, he is a wonderful human being. I would, unequivocally, entrust my family to his care."
— Dr. Jess Kane

Certified Specialist in Orthodontics
Dr. Seetner commenced his professional training at Queen's University where he earned a Bachelor of Science degree. He then attended the University of Pennsylvania to complete a Doctorate of Dental Medicine, and was inducted into the Matthew Cryer Honours Society for graduating at the top of his class.
Following dental school, he pursued specialty training in Orthodontics and Dentofacial Orthopedics at Tufts University in Boston. During his educational career, Dr. Seetner was involved in numerous research projects and was honoured to present his thesis at several conferences internationally.
Dr. Seetner is a clinical instructor of orthodontics at the University of Toronto, and a visiting lecturer at Tufts University. He continuously pursues his passion for learning, having completed the Aligner Intensive Fellowship and Invisalign Teen Edge programs for advanced training in Invisalign.
Dr. Seetner is committed to providing the highest quality treatment, and strongly believes in patient-centred care. He is thrilled to work at Orthodontics on Queen, and be a part of The Beaches community here in Toronto!
Bachelor of Science
Queen's University
Doctorate of Dental Medicine
University of Pennsylvania
Inducted into the Matthew Cryer Honours Society for graduating at the top of his class
Specialty Training — Orthodontics & Dentofacial Orthopedics
Tufts University, Boston
Ontario Association of Orthodontists
Canadian Association of Orthodontists
American Association of Orthodontists
Alpha Omega Dental Fraternity
Former Clinical Instructor of Orthodontics — University of Toronto
Visiting Lecturer — Tufts University

We're proud to be recognized by POST Magazine and Streets of Toronto as one of the top dental practices in Toronto. This award reflects our commitment to clinical excellence, patient care, and innovation in orthodontics.
When you choose Orthodontics on Queen, you're choosing an award-winning practice dedicated to delivering exceptional results.
Every smile is different. That's why we offer a full range of orthodontic options — so you can choose the path that fits your lifestyle, your timeline, and your goals.

Time-Tested. Precision-Engineered.
Traditional metal braces remain the gold standard for correcting complex alignment issues. Using a system of brackets and wires, braces apply gentle, consistent pressure to gradually guide your teeth into their ideal positions. Today's braces are smaller, more comfortable, and more effective than ever — and yes, you can still pick fun coloured elastics.

Highly Esthetic. Completely Clear.
Clear aligners are a series of custom-made, removable plastic trays that gradually shift your teeth into alignment — without a single bracket or wire. Each set of trays is usually changed every 1–2 weeks before progressing to the next. Because they're clear, highly esthetic, and removable, you can eat, brush, and floss just like normal throughout your treatment.

The World's #1 Clear Aligner System.
Invisalign is the leading brand of clear aligner therapy, trusted by millions of patients worldwide. Using proprietary SmartTrack® material and advanced 3D treatment planning technology, Invisalign aligners are engineered for precise, predictable results. As a certified Invisalign provider, we create a fully customized digital treatment plan so you can see your projected outcome before you even begin.

Give Your Child the Best Start.
The American and Canadian Associations of Orthodontists recommend that children have their first orthodontic evaluation by age 7. Early treatment — also called Phase 1 — focuses on two important goals: guiding jaw growth and creating space for incoming permanent teeth. By taking advantage of your child's natural growth stages, we can set the foundation for a healthier, more balanced smile as they develop.
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Located in the heart of The Beaches on Queen Street East
