
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.

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

Dr. Wisam Abawi
Dr. Wisam (Sam) Abawi obtained his B.D.S. (Bachelor in Dental Surgery) from the University of Baghdad / Faculty of Dentistry in 2000. He practiced Dentistry in his home country (IRAQ) for Six years. In 2006, he moved to Dubai –UAE and stayed there for Seven years practicing general dentistry in a multi-specialty dental office.
Dr. Abawi came to Canada in 2011 as a skilled immigrant for a safe and bright future for his family. In 2013, he settled permanently and within Two years successfully completed the National Dentistry Examining Board of Canada (NDEB) equivalency Dentistry program and obtained his license to practice dentistry in Canada.
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 and dental care for his patients of different ages (Adults & Children).
He is also a member of the Royal College of Dental Surgeons of Ontario (RCDSO), Ontario Dental Association (ODA), and the Canadian Dental Association (CDA).
In his leisure time, spends time with three wonderful kids (girl, boy, girl) and a great wife. At home he enjoys a lot of fun activities with his kids; playing fun games, reading stories, bike rides with his kids, family exploratory adventures of the Trails and woods in the neighborhood, and watching a family movie (movie night) every Friday / Saturday night and of course with a big popcorn bowl.
He also likes bike riding for long distances, gardening, travel, road trips and BBQ.

Dr. Fiona Tam
Dr. Fiona Tam was born and raised in Burlington, Ontario. After she obtained her Bachelor of Science from the University of Toronto in 1999, she moved to England where she graduated with her Bachelor of Dental Surgery in 2004 from the University of Liverpool. She then worked for two years in England as a general dentist until she moved to Halifax, Nova Scotia. There, she studied for a further two years to earn her Doctor of Dental Surgery in 2008.
Since returning to Ontario in 2008, she has been practicing in the GTA and continues to take part in continuing education courses in restorative and implant dentistry. She joined The Firehall Dentist as an associate in 2016. Fiona has great rapport with her patients of all ages. She has a compassionate and gentle manner and finds it fulfilling to make patients feel comfortable and at ease during their visit.
Fiona loves to bake, read and go for walks or bike rides by the lake with her family. She is a mom of three and enjoys taking them to dance and soccer practices.