Meet Your Dental Team

Dr. Alavi & Dr. Cheng along with their caring team of dental professionals are here to provide you with a pleasant dental care

Meet Your Dentists

Your dentistry in downtown Toronto that has been serving up beautiful smiles for over 20 years.

Dr. Mahan Alavi

Principal Dentist

Dr. Mahan Alavi

Dr. Alavi completed his Doctor of Dental Surgery training at the University of Toronto. Following his graduation, he was awarded with one year of hospital dental residency at the Sunnybrook Health Sciences Centre in Toronto where he provided dental services to hospital inpatients and a large group of medically compromised outpatient population. Furthermore, he gained valuable clinical experience in management of patients with special needs and is certified to provide moderate IV sedation. Prior to joining Dentistry on King he led two dental offices in the suburbs of Toronto.

University of Toronto

English, Farsi (Persian)

General & Cosmetic Dentistry

Accepting New Patients

Dr. David Cheng

Founding Dentist

Dr. David Cheng

Dr. Cheng received his Doctor of Dental Surgery degree from Western University. He has been serving Toronto patients since 1987. In his pursuit of knowledge he has completed over 3500 hours of continuing education throughout the years. Dr. Cheng attended leading dental institutes such as the Kois Center, Misch Implant Institute, and the LD Pankey Institute which all have helped him design a dental practice that is truly patient-centered. He speaks English and Cantonese fluently. Dr. Cheng is passionate about dental education and actively writes about this topic on

Western University

English, Cantonese (Chinese)

General & Cosmetic Dentistry

Dental excellence and expertise

A Team of Knowledgable Dentists

The team of dentists at Dentistry on King is comprised of Dr. Mahan Alavi and Dr. David Cheng. Dr. Alavi is versed in the latest dental methodologies and technology. Dr. Cheng has over 30 years of experience and has been consistently improving his skills and knowledge with over 3500 hours of continuing education. Dr. Cheng has studied cosmetic dentistry, implants, regenerative dentistry, orthodontics, TMJ, and occlusion from North America’s leading institutes and dental clinicians.

Our dentists pride themselves on using their skills and credentials to help patients feel comfortable and confident – both in our office and in their smiles. Their gentle approach and in-depth expertise are a combination our patients appreciate. Visits are free from Dental Anxiety and as painless as possible, with top-quality results that leave everyone smiling.

As highly respected members in their field, Dr. Cheng & Dr. Alavi continue to increase their knowledge and in turn enhance our patients’ experiences.

Meet Your Dental Team

Our professional, friendly dental team is here to support you, make you feel comfortable, and ensure every experience you have with us is a positive one.


Treatment Coordinator


Dental Receptionist


Dental Hygienist


Dental Hygienist


Dental Assistant


Dental Assistant

Dental Office Amenities

A Patient-Centered Dental Clinic Equipped with the Latest Technologies and Comfortable Amenities

High Tech Dentist Toronto

High-Tech Dentistry

With advanced equipment such as CEREC we are able to offer same-day crowns

Dentist Amenity Netflix

Comforting Amenities

Relax by watching your favourite Netflix show during your dental appointment 

Dental Office Near Subway

Downtown Location

We are conveniently located at Yonge & King above TTC’s King Subway Station

Why Visit Dentistry on King?


20+ Years of History Serving 20,000+ Patients

We have been serving thousands of patients since 1997 – Read Patient Reviews


Comprehensive Dental Exam and Review

Experience Dentistry on King’s signature comprehensive dental exam


Located in the Heart of Downtown Toronto

Our dental office is located right above King Subway Station at Yonge & King


Advanced Equipment and Techniques

Our dentists are keen on continuing education and aquiring latest dental technologies

Visit a Dentist in Downtown Toronto

Unlock the Secret to a Healthy Smile!
We are happy to answer any questions you have about your dental health.
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