About Dr. Ki
Board-Certified
Orthodontist
in Manhattan
Combining clinical precision with a genuinely warm, patient-first approach — Dr. Ki is dedicated to creating healthy, confident smiles for every patient.
Combining clinical precision with a genuinely warm, patient-first approach — Dr. Ki is dedicated to creating healthy, confident smiles for every patient.
Key Smile Orthodontics
Dr. Kiyoun Kil is your board-certified orthodontist dedicated to creating healthy, confident smiles. He earned his Doctor of Dental Medicine (DMD) from Temple University Kornberg School of Dentistry and completed advanced orthodontic training at New York University.
He has cared for patients of all ages in pediatric practices, multi-specialty dental offices, and hospital settings. Our practice focuses on creating healthy, beautiful smiles through personalized treatment plans and meticulous attention to detail.
With a warm and inviting atmosphere, our clinic is designed to make every patient feel comfortable and at ease — from the very first consultation through the final reveal.
Licensed dentist in NY and Seoul.
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"Orthodontics is about fostering confidence, health, and joy that lasts a lifetime."
Growing up in Iran and Bangladesh gave Dr. Ki a deep appreciation for different cultures, shaping his welcoming and inclusive approach to patient care. He also served in the military — an experience that strengthened his commitment to discipline, responsibility, and service.
Dr. Ki values precision, teamwork, and open communication. Whether guiding a child through early treatment or collaborating on complex adult cases, his focus is always on providing care that is effective, comfortable, and tailored to each patient's needs.
Beyond the clinic, Dr. Ki enjoys connecting with patients and families, believing that every smile tells a story worth celebrating.
New York University College of Dentistry
Temple University Kornberg School of Dentistry
Dankook University College of Dentistry, South Korea
Board-certified in orthodontics and dentofacial orthopedics
American Association of Orthodontists
American Dental Association & Northeastern Society of Orthodontists
Custom appliances, accelerated tooth movement, MARPE (Miniscrew-Assisted Rapid Palatal Expansion)
Accelerated Orthodontic Tooth Movement with Clear-Aligner Therapy — December 2015
When he's not in the clinic, Dr. Ki loves wandering through museums, discovering new music, and hanging out with his sister's pug, Gouda.
Fluent in both English and Korean, Dr. Ki enjoys connecting with patients from all walks of life — bringing the same warmth and curiosity to every interaction, in and out of the office.
Meet Us In Person
We'd love to meet you. Book a free consultation and take the first step toward your best smile.