Dentistry On Queen East (Dr. John J. Mantzoris)
Patients often talk about friendly, helpful staff.
Details checked 13 September 2026. No clinic pays to be listed.
Can help with
- Check-up and cleaning
- Takes the dental care plan
Links go to the clinic’s own page about each one.
Good to know before you call
- Closes before 6 p.m. and isn’t open weekends
What patients say most
- Friendly, helpful staff · 3 reviews
What do you need?
Pick one to see what they offer, what patients say and what to ask.
Check-up and cleaning
Listed on Google as a dental clinic.
Not many reviews mention this yet.
- Are you taking new patients, and when is the first opening for a new-patient exam and cleaning?
- What will the exam, X-rays and cleaning cost, and what will my insurance or the dental care plan cover?
Dental care plan (CDCP)
Their website says they take the plan: “Canadian Dental Care Plan (CDCP) Accepted Here”
Not many reviews mention this yet.
- Do you bill the Canadian Dental Care Plan directly for this treatment?
- Will anything cost more than the plan pays? Ask for the amount before treatment.
Cost and paying
- What’s the total, including the exam and X-rays?
- How much will my insurance or the dental care plan cover?
- Does anything cost more than the provincial fee guide?
From their website. See what people across Canada paid
Who you’ll see
The team listed on their website.
Read bio
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…
Read bio
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.
What patients say
Counted from their Google reviews. Something shows here once at least 3 patients mention it. Bigger clinics get more reviews, so compare with care. Read the reviews on Google ↗
Equipment, comfort & access
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Hours
From Google. Holiday hours may differ.