Centre 70

218–7015 Macleod Trail SW
Calgary AB, T2H 0L7
(403) 258-3997


635-5111 Northland Drive NW
Calgary, AB, T2L 2J8
(403) 247-3616

*All services are provided by General Dentists

Our Doctors

Meet Dr John Tamminen, HBSc, DDS, CD

Dr John Tamminen is a 1977 graduate of Lakehead University with an Honours in Biology and Chemistry, 1st class standing. He went on to complete his DDS degree at University of Western Ontario in 1981

He spent 13 years (1977-1990) in the Canadian Forces receiving a Clasp of Distinction CD. There, Dr. Tamminen gained experience in all of the dental specialties as he worked in isolated communities where referring to a specialist was difficult. As an Officer as well as a Dentist, he wrote a book on Search and Rescue techniques as part of Leading the Search and Rescue Team in Labrador, taught 50 Smoking Cessation Programs, was a member and then leader of the Mass Disaster Medical Team.

He started private practice in 1990 and opened a second practice in 1996. Dr. Tamminen works at both TLC Dental Care location and has “Operating Room” privileges as a member of the Surgical Department in Alberta Health Care. Dr. Tamminen teaches and mentors other dentists, potential dental students and dental assistants for three schools in Calgary.

Dr. Tamminen enjoys all aspects of Dentistry from Surgery (wisdom teeth to sinus lift bone grafts), dental implants, full orthodontics, full mouth reconstruction in Crown and Bridge, complete and partial dentures. He takes continuing education course in all areas of Dentistry and is able to treat very nervous patients through a desensitization program that does not utilize any drugs for sedation.

“I am particularly valued for my sense of humour and the clinics are always full of laughter.”
His hobbies are photography, scuba diving, travelling, building solar and other green projects, gardening, running and lifting weights. He has received an invitation for the Mars Mission with the Calgary Space Workers Society “but does not know if it is a one way ticket or two ways!”, jokes Dr. John Tamminen.

Dr. John Tamminen is a member of the ADA, CDA, and Surgical Department of Alberta Health Care.

Dr. Mark Vaillancourt

Dr. Mark Vaillancourt graduated from the University of Montreal in 1990 where he received his Doctor of Dental Surgery, D.D.S. He is fluent in English and French. Dr. Vaillancourt enjoys all aspects of dentistry and provides dental services in a gentle and caring manner. Dr. Vaillancourt attends many continuing educational classes to ensure that his patients receive the most comprehensive and advanced dental care possible. He is an active member of the Alberta Dental Association and Canadian Dental Association. Dr. Vaillancourt moved to Alberta in 2004. When he is not practicing dentistry, Dr. Vaillancourt can be found biking and hiking in the mountains. Dr. Mark Vaillancourt practices dentistry at the Northland TLC Dental Care where he welcomes new patients and referrals.