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(905) 660-5129

398 Steeles Ave W #17-18, Thornhill, ON L4J 6X3, Canada

©2016 by Quantum Health Dental. Proudly created with Wix.com

Dr Leon Treger

Dr. Leon Treger is a general dentist with more than 25 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 Kevin Treger

Dr. Kevin Treger is the newest member of the Quantum Dental Team and is excited to be part of a dental practice. He is a graduate of Boston University School of Dental Medicine.  Previously, he studied biology at The University of Western Ontario. He has an interest in continual research and education regarding treatment of sleep apnea. A major careers  goal of his, is to play a role in promoting oral health and supporting First Nations. 


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.


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.


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


Rita is a Certified Level 2 Dental Assistant since 2009. Rita excels in both administration and clinical skills.  She is a wonderful educator and communicator. She promotes an atmosphere supportive to good dental and general health by demonstrating good oral hygiene, questioning patients to ascertain home care status, instructing patients in techniques of flossing and brushing in accordance with the practice of dentistry.


Natalia is a Certified Level 1 Dental Assistant since 2008. Natalia is a reliable assistant, always ready to help clean and organize. She has worked with Dr. Treger for the last 8 years, making patient's feel comfortable and at ease. Natalia enjoys reading, swimming, and playing piano.


Arezoo is a Certified Level 2 Dental assistant since 2014. Areezo will help you feel comfortable and relaxed while receiving treatment. She loves seing the smiles on patients' faces! In her spare time, Arezoo enjoys swimming, painting, and spending time with family.