Meet Our Dentists

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Our philosophy


It is our duty and obligation to maintain the highest standards of our profession and to render treatment accordingly in a safe and clinical healthy environment.

It is our sincere belief that our patients have the right to be thoroughly examined and diagnosed to determine the nature and cause of their discomfort and concern.

We are committed to our patients’ well being and will deliver exceptional dental care to ensure your needs are met. Our family-friendly practice provides a relaxing and comfortable atmosphere for you and your loved ones. Our friendly knowledgeable team has decades of dental experience and will go above and beyond to exceed your expectations to ensure that your dental experience is an amazing one.

Meet Our Dentists


Dr. Bassel Gebrael (Periodontist)

Dr. Gebrael is a certified periodontal specialist. He received his dental degree from the University of Western Ontario in 1998 and his specialty diploma in Periodontics from Nova Southeastern University in 2002.

Dr. Gebrael is a member of the Ontario Society of Periodontists, the American Academy of Periodontology, the Academy of Osseointegration, and the Ontario Dental Association.

Dr. Gebrael`s area of expertise includes regenerative periodontal surgery to restore periodontal (gum) health, cosmetic gum surgery for smile enhancement, and dental implant treatment to replace missing teeth.


Dr. Elie Wolfson (Certified Specialist in Endodontics)

Dr. Elie Wolfson graduated from his endodontic program at Temple University in Philadelphia in 1973. He is a Board certified specialist in both the US and Canada. He has been an examiner of endodontic specialists for over 30 years for the Royal College of Dentists of Canada and has served as President, Councillor and Chief Examiner over this time.

His practice is focused on patient management and the use of technology to relieve pain and anxiety. He exclusively uses the Wand for comfortable local anaesthesia, and adjunct modalities such as intravenous conscious sedation and general anaesthesia for anxious patients.

He is involved in all forms of root canal treatment, including surgery, bone grafting and implants to replace fractured roots. He is a member of the Canadian Academy of Endodontics, the American Association of Endodontists, the Ontario Society of Endodontists, and the Canadian Dental Association.


Dr. Gadalla

Dr. Nermine Gadalla graduated from the Faculty of Dentistry in Egypt at Cairo University in 2000.

She then came to Canada in 2012 where she became a licensed Dentist, with the Royal Collage of Dental Surgeons of Ontario and is also a member of the Ontario Dental Association.

Dr. Nermine has over 20 years of experience working with children and adults to promote healthy dental habits.

Dr Nermine Gadalla is a knowledgeable all-around practitioner with a rich background both in her career and social life. Having studied both abroad and here in Canada, the exposure she got gave her experience of working in a multicultural diverse environment that she is very grateful about to date.

Outside of dentistry Dr Nermine is a loving wife and a mother of two children. She enjoys traveling and swimming.


Dr. Mustafa Abouzgia (Oral Surgeon)

Dr. Mustafa Abouzgia trained in oral and maxillofacial surgery at the University of Toronto and completed his residency at The Toronto Hospital, obtaining a Dip. OMFS. He continued fellowship training in Toronto, and was awarded a fellowship certificate by the Royal College of Dentists of Canada. While working on a research project in the University of Toronto’s Department of Mechanical Engineering, Dr. Abouzgia also earned an M.Sc. degree.

Dr. Abouzgia’s work has been published in a number of professional periodicals, including the Journal of Oral and Maxillofacial Surgery, the International Journal of Oral and Maxillofacial Surgery, and the International Journal of Oral and Maxillofacial Implants. He has also delivered presentations at a variety of scientific conferences.

Outside of the dental office, Dr. Abouzgia enjoys travelling and is an avid gardener.We welcome you to meet one of the best dentists in Orangeville.


Dr. M. Gaid (In-house Anaesthesiologist)

Dr. Gaid graduated from Medical School at the University of Alexandria in 1975. He furthered his education to specialize in Anesthetics and graduated with Anesthesia MBChB from the University of Toronto in 1975.

Dr. Gaid is constantly upgrading his skills and taking courses to stay informed of the latest technologies. He furthered his training in Anesthesia at the University of Toronto in 1988 (FRCP©).

Outside of dentistry, Dr. Gaid enjoys traveling and is a sports enthusiast.


Dr. Sam

Dr. Samantha Wierer Graduated from the University of Toronto Faculty of Dentistry and obtained her DDS degree in 2019. She is a member of the ODA as well as the Wellington-Waterloo Dental society.

Dr. Wierer enjoys all aspects of dentistry and seeing patients of all ages. She was drawn to a career in dentistry as it allows her to create long lasting relationships with her patients. In particular, she enjoys working with children and prides herself in creating a calming and relaxing experience for our youngest patients. She is also certified to provide nitrous oxide sedation (also known as laughing gas) to help those who are more nervous about going to the dentist.

Dr. Wierer is a prairie girl, being raised on 2,000 acre wheat and canola farm in southwestern Manitoba. She now calls Orangeville home and enjoys being part of such a close-knit community similar to where she grew up. Outside of dentistry, you may find her going for a hike at Island lake with her fiancé and dog, or you may catch her on the ice with the Orangeville Tigers womens hockey league. When she does go back home to visit she enjoys getting a chance to help her parents on the farm and in particular enjoys helping during harvest on the combine. She looks forward to welcoming new patients and meeting our long-time patients!


Dr. Zena Yacub

Dr. Zena Yacub graduated from faculty of dentistry at Umeå University in Sweden 2015.  She moved to Canada and obtained her Canadian license 2018.  She is also keen on staying up-to-date with all aspects of dentistry through continuing professional education courses and programs.

Dr. Zena is a member of royal collage of dental surgeons of Ontario, Ontario dental association, Halton Peel region dental association, headwater dental society and Canadian Iraqi dental society.

Dr. Zena lives in Mono/ Orangeville, she prefers the small town pace and atmosphere to build close relationships with her patients.

Outside of dentistry, Zena is a wife and mother who enjoys spending quality time with her family; husband Karam and her daughter Christina. She also enjoys reading, exercising, listening to music, cooking and traveling.