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EGLINTON 416-481-9131 DANFORTH 416-461-0831 EMERGENCY 416-716-0476

Dentists at Dr. Matthew Orzech & Associates have years of experience and training. They provide dental care for family dentistry, restorative dentistry and cosmetic dentistry. Services include dental implants and in-office whitening along with the latest in technology such as fillings and freezing without the use of needles, 3-D digital impressions, digital x-rays and more to keep you smiling.


Dr. Sanjay Khoosal was born in Sioux Lookout Ontario, he attended Western University and completed his studies in the University of Toronto, Faculty of Dentistry. His mission is to provide comprehensive dental services to all patients in an environment that is save, reassuringly pleasant and comfortable.

Dr. Sanjay Khoosal is a proud member of the Ontario Dental Association as well a member of the Royal College of Dental Surgeons of Ontario and continuously seeks out training and professional development opportunities that allow him to remain aware and knowledgeable about latest technology and keeping up with new developments. What he enjoys most about dentistry is meeting and interacting with patients and providing an essential service.

When he is not working, Dr. Khoosal enjoys traveling and listening to music.


Dr. Marvin Katz was born and raised in Toronto. He received his Bachelor of Science degree from the University of Toronto in 1973, and in 1977 his Doctorate of Dental Surgery from U of T followed. A life-long learner, Dr. Katz insures he stays current with dental technology and practices by seeking out and participating in continuing education opportunities. Dr. Katz is a member of the Toronto Crown and Bridge Study Club and Alpha Omega Fraternity.

He lives in Thornhill with his wife, and cherishes the time they spend with their three children. An avid sports fan, Dr. Katz says, “I make no apologies for being a die-hard Toronto Maple Leafs fan – go Leafs go!”


Dr. Martin Kellerstein is an experienced and well versed dental practitioner. He received his DDS in 1971 from the University of Toronto. He has serviced the dental needs of the Danforth community for the past 42 years prior to joining Dr. Matthew Orzech and Associations.

Dr. Kellerstein’s wealth of experience in the dental field is evident by his prior affiliations as President of East Toronto Dental Society, the Board of Governors for the ODA, the Academy of Dentistry Toronto and his service as a Clinical Instructor at the University of Toronto in the Restorative Dentistry Program. He is passionate about his profession and strives to continually lend his expertise to patients in a caring and supportive manner.

He is available at Danforth Office.


Dr. Matthew Orzech owns and operates a full-time dental practice with his professional team.

He performs all aspects of general dentistry including: endodontics, implant placement and restoration as well as extractions (both complex and simple) minor periodontal surgery as well as routine maintenance for his patients.

Dr. Matthew Orzech earned his Honours Bachelor of Science degree at the University of Toronto followed by a DDS degree graduating Dental School at Northwestern University in Chicago. He furthered his experience through a one year General Practice Residency at the Erie Country Medical Center in Buffalo, New York. Dr. Orzech is currently a Supervising Clinician at George Brown College Restorative Dental Hygiene Program. He was the principal Dentist for the Humber College “Wellness Clinic”. He volunteered his dental services at the Scarborough Urban Health Outreach Clinic.

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