Welcome to
Orthodontic Harmony

Expert, Efficient, Effective, Empathetic, Esthetic

Dr. Tracy

Meet Dr. Tracy

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Who We Treat

Where to Find Us

Discover Our Ortho Difference

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Flexible Patient-Centered Smiles

Customized treatments that fit your lifestyle and needs.

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A High Standard of
Expertise

Care from a Board Certified Orthodontist with years of experience.

Advanced 3D Digital Technology

Precise diagnostics and treatment with the latest tools.

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Orthodontic Care for All Ages

From kids to adults —
personalized care at every stage.

Affordable Smiles
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Affordable Smiles

We offer flexible payment plans to meet your smile needs!

Who We Treat

For Kids

For Teens

For Adults

Tracy Li Cheung DDS MS

Meet Dr. Tracy Li Cheung

A forward-thinking orthodontic expert who believes in clear communication, attention to detail and progressive solutions.

A Manhattan native, Dr. Tracy is the only Board Certified Orthodontist in Briarcliff Manor, NY and the surrounding Westchester area. At Orthodontic Harmony, Dr. Tracy provides progressive orthodontic solutions to children, teens and adults with a commitment to the highest standard of care through rigorous training and advanced digital orthodontics. Your first consultation with us will include a tailored treatment plan to your individual needs to set you on your path to achieving your best smile.

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American Association of Orthodontics (AAO)
Diplomate of American Board of Orthodontics (ABO)
Peer Reviewed Author in Orthodontics

Our Orthodontic Treatments

Digital Braces

Clear Aligners

MSE/MARPE

Early Treatment

Orthognathic Surgery

Digital Orthodontics is Here

Digital Orthodontics is Here

Our practice integrates the latest in 3D digital orthodontics such as the iTero 3D Scanner, 3D printing and digital imaging through panoramic x-rays with minimal radiation. All of this technology is aimed to provide the best smile results with less time and more precision and comfortable care.

What Our Patients Say

Nicole Ceritelli
20:38 18 Jun 25
Orthodontic Harmony has been treating my two children for the last 10 months. Doctor Cheung listened to my concerns about my child’s jaw alignment and tailored a plan of treatment that was specific to him and me! She did not jump into a treatment plan. Rather, she listened to our concerns as a family and made a plan that was best for us all! I have nothing but good things to say about both her and her staff.
Rebecca Sotherden
14:00 12 Jun 25
We had a wonderful experience with Dr. Tracy's orthodontic practice. From start to finish, everything was handled with professionalism and care. Appointments were always prompt and easy to schedule,and the office was spotless and welcoming. The staff was incredibly friendly and made us feel comfortable at every visit. Communication was clear and easy, and Dr. Tracy did an amazing job transforming my daughter's smile. The results are beyond what we hoped for. We're so grateful for the care and attention that was provided. Highly recommend!
Stephenie Molina
01:39 22 Apr 25
Wow! Where can I begin? I’ll start by sharing that I had a cross bite, flared teeth caused by a previous orthodontic treatment done elsewhere and of course my teeth were misaligned. Upon my first consultation Dr, Tracy knew exactly what I needed to start. My top teeth were crowded and I needed a palette expander to create more room in my top teeth. After that I had braces to correct my misaligned teeth. Both Dr. Tracy and Ayxa were very patient with me, interested in my concerns and thorough with every step that was performed. Their level of knowledge and professionalism exceeded my expectations. My braces came off today and I cannot express enough my gratitude towards this great team whom literally has helped me regain my confidence. My smile looks amazing :) and I don’t have to feel insecure about my teeth ever again! Thank you Dr. Tracy and Ayxa for all of your hard work and dedication because it is clearly evident and I will be forever grateful!
Michelle Kenny
18:41 21 Apr 25
My daughter had a wonderful experience here with Dr. Tracy Li Cheung. We highly recommend this practice as Dr. Cheung and Ayxa were always friendly, knowledgeable, and thorough in explaining what to expect and how to care for the palate expander and braces. My daughter just had her braces removed and her teeth look great! She is happy with the results and loves her smile!!
Mariana Mastracchio
22:45 12 Mar 25
I highly recommend Dr. Tracy. She came highly recommended to me by friends, and we have had a wonderful experience working with her.
From the moment we walked in, the office staff was friendly, and Dr. Tracy took the time to explain everything clearly.
She is patient, professional, and has made my son's orthodontic treatment smooth and stress-free. We’ve already seen amazing results and feel so confident in her care.
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