Our Team

Dr. John Mantzoris
Dr. John MantzorisDentist
Dr. John Mantzoris was a graduate of the University of Toronto in 1988. He spent four years at Northwestern University Dental School in Chicago and graduated from the program in 1992.

He has been practicing dentistry at his downtown clinic since 1993.

His successful downtown practice services aesthetic and general dentistry clients of all ages from across the GTA.

Dr. Mantzoris’ office combines the latest in patient procedures and technologies in an efficient, yet personable environment.

“I greatly respect my patients and the value of their time and feel proud that even as we’ve grown over the years that we have been able to maintain this philosophy as the heart of our practice.”

Dr. Mantzoris is a member of the Ontario Dental Association.

He is currently a clinical instructor at University of Toronto School of Dentistry.

Dr. Emily Baker
Dr. Emily BakerDentist
Dr. Emily Baker completed her dental school training at McGill University in Montreal, where she received her Doctor of Dental Medicine degree. She pursued further training at the University of Connecticut, completing an Advanced Education in General Dentistry (AEGD) residency program before moving back to her home town of Toronto.

Dr. Baker is interested in the broad scope of general dentistry, providing everything from preventative management to basic dentistry and more complex treatments. She loves working with children and ensuring that their first dental experiences end with a smile.

As a general family dentist, Dr. Baker aims to make her patients feel comfortable and create a connection with each person.

“I think that the best dental care comes from building a lasting relationship of mutual trust and openness.”

Dr. Baker is practicing at both Queen East and Richmond Street locations.

New patients are always welcome.

Dr. Tina Kokosis
Dr. Tina KokosisPeriodontist
Dr. Tina Kokosis began her dentistry training at the University of Western Ontario in London, where she graduated with a Doctor of Dental Surgery. She received a Master of Science in Periodontics after spending three years at Columbia University in New York City, and training with some of Manhattan’s most accomplished Periodontists. She also worked with many underprivileged individuals restoring oral comfort and function with effective treatment of their gum disease and the placement of dental implants.

In addition to her private practice, Dr. Kokosis is a part-time clinical instructor at the Faculty of Dentistry at the University of Toronto.

She is also a Fellow of the Royal College of Dentists of Canada, and a registered Periodontist with the Royal College of Dental Surgeons of Ontario.

A native Torontonian, she is currently the only periodontist fluent in the Greek language practicing in the city.

“My goal as a Periodontist is to serve you with the utmost care and respect. I enjoy my practice, and look forward to serving your periodontal needs.”

Dr. Tina Kokosis is also a member of the American Academy of Periodontology.

LillaDental Hygienist
DarleneAdministrator and Certified Dental Assistant
JillianDental Assistant