Our Chief Doctors


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Dr. Stephen Dyment

Dr. Stephen Dyment grew up in Ottawa with his parents and two sisters. Both of his parents were raised in Dundas and he has fond memories of milking cows during the summers at his uncle’s dairy farm on Sydenham Road. He attended Mount Allison University prior to enrolling at the University of Toronto, Faculty of Dentistry. He was actively involved in campus life, writing and directing the annual variety show and winning recognition for outstanding contribution to the extracurricular activities of the faculty. Stephen was awarded scholarships for Paedeatrics and Periodontics. He interned at Toronto General Hospital prior to associating in Guelph then opening the Firehall Dentist in Waterdown. He is married to Dr. Heidi Kunze and they have one daughter named Sophie who is the greatest blessing in his life. Stephen enjoys playing the piano, gardening, windsurfing, personal development and is interested in fitness and nutrition. He is an eternal optimist and patients of all ages appreciate his genuine, gentle and caring approach to dentistry.  People comment on his empathy and the way he makes each person feel valued and respected.  His creative eye and natural intuition for esthetics has allowed him to help countless people achieve beautiful, natural and youthful smiles.


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Dr. Heidi Kunze

Dr. Heidi Kunze was born and raised in Scarborough, Ontario by German immigrant parents. She received a double major in Biology and English from Scarborough College before enrolling at the Faculty of Dentistry, University of Toronto. She was actively involved in all aspects of dental school including contributions to the University of Toronto Dental Journal publication. In the final year of dental school, she was the co-editor of this journal. During the summers of dental school, she worked for a group of oral surgeons and learned a great deal from this position. She interned at Sunnybrook Hospital and associated in Burlington before joining her husband, Dr. Stephen Dyment as co-founder of the Firehall Dentist in 1994. Heidi enjoys swimming, cycling, reading, cooking,  and organizing her home and office. Sophie, her daughter, is the eternal sunshine that warms her soul and brightens each of life’s moments. Her infectious laughter is loved by all her patients and she has a keen interest in complex cosmetic cases. Heidi’s patients comment on her positive outlook, meticulous attention to detail and her wonderful sense of humor.  Heidi is also the driving force behind the Firehall Dentist’s commitment to stay at the forefront of sterilization, modern technologies and medical safety protocols.


Our Associate Doctors


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Dr. Wisam Abawi

Dr. Wisam Abawi obtained his B.D.S (Bachelor in Dental Surgery) in 2000. He practiced dentistry for six years in Iraq in Primary Health Care Centres and private dental offices. In 2006, he moved to Dubai and stayed there for 7 years practicing general dentistry in a multi-specialty office.

In 2013, Dr. Abawi moved to Canada and successfully completed the National Dentistry Examining Board of Canada (NDEB) equivalency dentistry program. Dr. Abawi enjoys all fields of dentistry and keeps his knowledge and skills up-to-date with the most recent materials and techniques to provide the best treatment for his patients of all different ages. He has taken additional training courses in root canal therapy, sedation, and implants. He is a member of the Royal College of Dental Surgeons of Ontario (RCDSO), the Ontario Dental Association (ODA), and the Canadian Dental Association (CDA).

In his leisure time, he enjoys spending time with his wife and two children, going on picnics, travelling, and gardening.


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Dr. Fiona Tam

Dr. Fiona Tam was born and raised in Burlington. Her father was a well-established dentist in Burlington, and that was where her interest in dentistry started. After receiving her Bachelor of Science from the University of Toronto, Dr. Fiona attended dental school at the University of Liverpool in England. She practiced for two years in England before returning to Canada to attend Dalhousie University where she earned her Doctor of Dental Surgery.

Dr. Fiona is a mom of three wonderful children and loves to take them to dance and soccer. In her spare time, she likes to read, bake, and go bike riding with her famil.

Dr. Fiona loves interacting with her patients. She has a caring and compassionate nature and patients like her gentle manner.


Mailing Address: Telephone: Email: Web:
 The Firehall Dentist (905) 689-9111  info@thefirehalldentist.com  http://www.firehalldentist.com
 4 Barton Street, Box 460
 Waterdown, Ontario
 Canada L0R 2H0