Meet Our Team

of experienced Doctors and Professional Staff


Our Staff

We are pleased to announce that, as part of our continual commitment to providing exceptional dental care, we are making some changes at mapleridge dentistry. Under new ownership, we are expanding our services, offering extended hours, same-day emergency appointments and providing the latest techniques in advanced dental treatment. Allow us to introduce the newest members of our team:

Dr. James C.H. Ko


Dr. James Ko earned his Doctor of Dental Surgery Degree, as well as a Master of Science, from the University of Toronto. He has conducted research in Biomaterials and has published a paper focused on the interaction between dental implant surfaces and bone. Dr. Ko provides exceptional patient care by investing time into getting to know his patients, easing their concerns, and providing practical ways for improving their dental health. He takes a comprehensive approach when interacting with patients of all ages. Dr. Ko is fluent in English and Mandarin, and is learning to speak Cantonese. In his personal time, he enjoys spending time with his wife, playing basketball, and exploring new technologies.

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Dr. Amir Guorgui


Dr. Amir Guorgui graduated from the University of Montreal in 2001. He is one of a handful of Canadian dentists who has earned the Mastership designation at the College of Sedation, which recognizes his commitment to providing the highest quality sedation services to his patients. A proud resident of the Vaughan community, Dr. Guorgui enjoys getting to know his patients and educating them about their oral health.

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Dr. Rob Eisen


Dr. Rob Eisen graduated from the University of Western Ontario and began practicing dentistry in 1985. Dr. Eisen has completed several post-graduate programs in cosmetic and implant dentistry,; he has recently served as president of the Toronto Academy of Digital Dentistry. Dr. Eisen enjoys giving back to his community. He and his staff have been involved in creating a dental clinic for disadvantaged Toronto youth.

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Dr. Yara Al Dabbagh, BDS

Dr. Yara Al Dabbagh earned her Bachelor of Dental Surgery degree from the University of Sheffield in the U.K. Following her graduation in 2015, she continued on to obtain a Post Graduate Certificate in Primary Dental Care while undergoing Dental Foundation Training in Kent, U.K. Since returning home to Canada, Dr. Al Dabbagh worked hard to successfully complete the NDEB Equivalency process and obtain her dental license in Ontario. She enjoys meeting patients, listening to their concerns and needs and helping them in their journey towards better oral health and dental well-being.

Dr. Al Dabbagh speaks English, Kurdish and Arabic. In her spare time, she loves to travel, spend time outdoors exploring city parks and playing tennis.

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Stephanie Rojas

Dental Hygienist

Stephanie Rojas has been working in the dental field since 1986. She earned her Dental Hygiene diploma from La Cite Collegiale in 1991. Stephanie is an active member of the College of Dental Hygienists of Ontario and the Canadian Dental Hygiene association. She is fluent in English, French, Greek and Spanish. She has had the opportunities to teach, consult, write, speak and has been involved on the industry side of dentistry in bringing new technologies to market. Her true passion lies chairside on the front lines helping her patients achieve optimal oral health. She has been doing just that in the Maple community for the last 12 years. Stephanie loves her work and it shows!

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Lina Iannetta

Office Manager

Lina is our amazing Office Manager and problem solver! She is usually the first smiling face that people see when they enter Mapleridge Dentistry. She has infinite patience for dealing with complicated insurance issues and accounting! Lina helps patients maximize their benefits and never lets them forget an appointment. Lina and her husband have three children and spend most of their time driving them to and from numerous sporting, church and school events!

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Dental Assistant

Our fantastic dental assistant Yllka is a young mom with an incredible amount of energy! She is the blur that you will see buzzing around the office and keeping Dr. Ko organized!

Yllka is excited about all aspects of dentistry from surgery to administration. She loves to spend time with her family and speaks Albanian and Italian.

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We believe in your SMILE.