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Meet Our Team

Please meet our friendly staff at Niagara Falls Dental Clinic.

Dr. Greg Olivieri 

BSc | DDS | Dentist | Cosmetic, Implant & Family Dentistry

Dr. Greg Olivieri graduated with distinction from the University of Toronto in 2003 and served in the Canadian Forces as a dental officer.  In 2011, Dr. Olivieri was delighted by the opportunity to take over ownership of the Niagara Falls Dental Clinic and to continue with its proud history of serving the Niagara community.  Dr. Olivieri's experience and training allowed him to expand the services at Niagara Falls Dental Clinic to include cosmetic smile makeovers and implant dentistry.

Always striving for excellence in dentistry, Dr. Olivieri regularly attends continuing education courses to expand his skills and stay at the forefront of modern dentistry.   His practice is focused on the art and science cosmetic and implant dentistry.  He is a member of many organizations, including the American Academy of Cosmetic Dentistry, the International Congress of Oral Implantologists, the Ontario Dental Association, and the Academy of General Dentistry.

Dr. Amro Bashi

BDS | General Dentist

Dr. Bashi’s commitment to dentistry both as a discipline, and a professional career, has been developed and demonstrated through his undergraduate education as well as his clinical experience. Dr. Bashi graduated with a Bachelor of Dental Surgery from Jordan University of Science and Technology and successfully completed the Canadian Dental License Board exams shortly afterwards.

He is in good standing with the Royal College of Dental Surgeons of Ontario and a member of the Ontario Dental Association. He is committed to keeping patients happy and satisfied with their treatment.

Dr. Bashi believes strongly in continuing education and has participated in various courses covering a wide range of dental disciplines including endodontics, implantology, and crown and bridge prosthodontics. In his free time, Dr. Bashi enjoys cooking, and attending concerts and musicals.

Dr. Mark Saric

BSc | DDS | General Dentist

Dr. Mark Saric received his Bachelor’s Degree in Chemistry from Canisius College and completed his dental training from the University at Buffalo School of Dental Medicine. He is in good standing with the Royal College of Dental Surgeons of Ontario and is a member of both the Ontario Dental Association and Academy of General Dentistry.


Dr. Saric is always advancing his dental knowledge by participating in various continuing education courses that span a wide range of dental disciplines, such as crown and bridge prosthodontics, implantology, cosmetics and pediatric dentistry.


When he is not at the office, Dr. Saric enjoys going to the gym, golfing, dining out and spending time with his wife and 2 adorable children.

Dr. John Thompson

DDS | General Dentist - Retired


We are equally happy and saddened to announce that Dr. Thompson has officially retired! Although our staff and his clients miss him dearly, we are happy to know he is enjoying life at a slower pace and soaking up all the precious moments with his growing family and wonderful wife, Heather. Thank you, Dr. Thompson, for your years of incredible service in Niagara!

Christine Lau

DD | Denturist Specialist

Born and raised in Toronto, Christine believes that a healthy and beautiful smile can make a world of difference for many people. It is a privilege to be able to positively impact peoples' oral health and confidence. Her goal is to provide quality denture care and services.

She is an active member of the Denturist Association of Ontario & Canada and many other professional associations and continues to embrace and educate herself with the latest technologies in denturism to make it possible to provide the newest and highest quality of all services to her patients.

In her spare time she loves to travel, immerse herself in new cultures and cuisines and is always busy researching her next adventure.

Dr. Daniel Fortino 

BHSc | DDS | MS(perio) | FRCD(c) | Dip ABP (Periodontist) | Gum & Implant Surgery

Dr. Fortino grew up in the Hamilton, Ontario and completed his undergraduate education at McMaster University in 2010, earning a Bachelor of Health Sciences Degree. He completed his Doctor of Dental Surgery degree at the University of Western Ontario. He went on to obtain his Specialty Degree in Periodontics and a Masters in Science from the Centre for Advanced Dental Education in St Louis, Missouri. After his specialty, he pursued a fellowship in Advanced Surgical and Restorative Oral Implantology at the School of Dental Medicine at the State University of New York at Buffalo. He joined the Department of Periodontics and Implant Center at the School of Dental Medicine at the State University of New York at Buffalo as a part-time faculty member and is currently on staff in the Graduate Periodontics Department. He loves the sport of hockey and he is the proud brother of Gold and Silver Medalist Laura Fortino who is playing for the Team Canada Women’s Hockey National Team!

Dr. Alon Borenstein


Dr. Alon Borenstein completed his Doctor of Dental Medicine (D.M.D) degree in 2012 at the Hebrew University in Jerusalem, receiving the Kaufman Award for Outstanding DMD Thesis. After practicing general dentistry for 2 years, he joined the University of Toronto and completed a Masters Specialty Degree (MSc) in Periodontics in 2018. He is a clinical and academic instructor in UofT since 2018. Dr. Borenstein published and co-authored articles on the Pathophysiology and Treatment of Periodontal Disease in high impact professional journals and presented in the Research Forum of the American Association of Periodontics. He is a fellow of the Royal College of Dentists in Canada (FRCDC), and an active member of the Canadian Academy of Periodontology, the Ontario Society of Periodontists, the American Association of Periodontics, the Canadian Dental Association, the Ontario Dental Association, the Alpha Omega International Dental Fraternity and the Hamilton Academy of Dentistry.

Dr. Borenstein is committed to excellent, personalized comprehensive care. He believes in patient-centered treatment, utilizing the most up to date surgical techniques to deliver effective, individual and thorough periodontal treatment that meets and exceeds the expectations of both patient and dentist. He is experienced in managing patients’ anxiety before, during and after treatment, and, as needed, trained and certified for the administration of conscious IV sedation to ensure a stress-free appointment.

Dr. Ying W. Sia

DMD | Dip.ABOM | FDSRCS(Ed) | FRCD(C) | Oral Medicine Specialist

Ying W. Sia is an oral medicine specialist who completed her dentistry degree at the University of Montreal. After five years of private practice as general dentist, she decided to pursue her graduate training in oral medicine at the University of Pennsylvania. She has developed her research interests in oral mucosal disease and orofacial pain. She received the Lester Burkett award from the American Academy of Oral Medicine for her clinical science investigation on burning mouth syndrome. She also has diverse teaching experience as faculty lecturer at McGill University, and as instructor at University of Montreal and the University of Toronto. She also maintains private practice focusing on oral medicine. She is a Diplomate of American Board of Oral Medicine, Fellow of Royal College of Surgeons of Edinburgh and Fellow of Royal College of Dentists of Canada.



Registered Dental Hygienist

Kristi Lee

Kristy Lee

Registered Dental Hygienist



Registered Dental Hygienist



Registered Dental Hygienist



Dental Assistant



Dental Assistant



Dental Assistant

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Office Manager



Office Administrator

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Office Administrator

For more information about our clinic, please don’t hesitate to contact us today.


Unit 3, 4728 Dorchester Road

Niagara Falls, ON L2E 7H9

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Monday 09:00 AM - 08:00 PM

Tuesday 09:00 AM - 05:00 PM

Wednesday 09:00 AM - 08:00 PM

Thursday 08:00 AM - 06:00 PM

Friday 09:00 AM - 04:00 AM

Saturday - Sunday Emergencies Only

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