Dr Leon Treger

Dr. Leon Treger is a general dentist with 30+ years experience.  He brings a knowledge of holistic health care into the practice of his general practice. He believes that a  holistic approach to the everyday practice of dentistry can and does improve the effectiveness of various dental procedures. He includes cranial therapy, nutrition, herbal and homeopathic remedies in his treatment considerations.

Dr sheldon cooper


Dr Sheldon Cooper is a seasoned and highly experienced dentist, serving the North York Community for nearly 40 years! He graduated from University of Toronto in 1979, and has been honing his skills ever since then. Dr. Cooper focuses on continuing education in dentistry as well as educating his patients to achieve and maintain great oral health. Dr. Cooper enjoys swimming, reading, walking his dog, and more recently yoga.

Dr Kevin Treger

Dr Kevin is a graduate of Boston University School of Dental Medicine, and has completed several courses in Oral Implantology, including recently a Master of Implantology from Germany. He also works with Ontario Dental Association on native land, serving First Nations people. Dr. Kevin's major passions are to promote well being and oral health to the public, as well as supporting First Nations throughout his career. Dr. Kevin enjoys playing basketball and practicing yoga, and is passionate about health and wellness. 


Silke is a Certified Level 1 Dental Assistant since 1981. Silke is a member of the O.D.A.A., with an extensive background in dental practice  management, specializing in office administration.  She regularly attends the Ontario Dental Association’s conferences , affiliate meetings and continuing education courses always striving for success.  She has a vast knowledge in all aspects of dentistry, and all issues related to insurance plans. She has been our office manager since 1998 and always makes you feel welcome!  She loves spending time with family and friends and also loves to travel.



Michelle is our freshest face at Quantum Health Dental. She is trained in Medical Office administration, and graduated in 2018. Michelle will greet you with a smile and a kind word, and is happy to assist our patients over the phone and in person. Michelle enjoys spending time with her daughter - doing puzzles and arts & crafts. Michelle is a dedicated Toronto Raptors fan, and her favourite music genres are hip-hop and reggae. 


Anna has been with our office since 2002. First as Level 11 dental assistant then she completed the dental hygiene program with Honors as a Registered Dental Hygienist  in 2008 and is the proud recipient of the Golden Scaler Award. Anna prides herself with being a caring and empathetic hygienist whose cheerful nature and gentle touch is a great comfort to her patients. With a background in teaching Anna is enthusiastic about educating her patients, especially kids about good oral hygiene.



Dana has been an energetic addition to the Quantum Health Dental team. Dana has completed Dental Hygiene certification 2000. Prior, Dana worked nearly 30 years in the dental field, having worked in general, periodontal, and pediatric dental offices. Dana focuses on providing her patients with the best possible care, whom appreciate her gentle hands and thoroughness. Dana enjoys spending time with her husband and two sons, and leading outdoor activities. Dana is fluent in both English and Hebrew.



Leila graduated from Durham College in 2011 and has been a successful dental hygienist since then. She is proud of being meticulous in her approach at work and in personal life. She offers transparent and educational viewpoints to her clients, which often result in collaborative treatment solutions. She champions family values and is a proud mother of three beautiful girls. She draws her inspiration from summer outdoor activities. 


Kirsi began her career as a preventative dental assistant in 1989. She continued her education and graduated with Honours as a Registered Dental Hygienist in 2007. She continues to educate herself regularly by attending conferences and continuing educational courses. It is vital to her that dental hygiene visits be fun, comfortable and educational. "I believe that a beautiful smile not only affects patients’ health, but self-confidence and overall well-being.”-Kirsi



Marilyn completed a Bachelor of Science with a major in biology from Cagayan State University in the Philippiines. She later graduated as a level II dental assistant from Anderson College since 2020. Marilyn says “Working in a dental clinic is exciting! Theres nothing better than making a positive difference in someone’s day. A simple ‘thank you’ from the patients and my doctors means a lot to me! And I am grateful to be part of the Quantum team”



Pearlita is a level II dental assistant since 2020, and graduated from Anderson College. Pearlita advocates prevention of oral disease and improved oral health. She is happy that dentists educate patients about these important issues. Pearlita enjoys cooking, playing volleyball, and being involved in community service!