Looking For A Family Dentistry In St. Thomas?

About Our Dental Practice

One Dental Clinic is conveniently located at Elgin Centre, 417 Wellington St #53. One Dental offers a comprehensive set of oral healthcare services, leverages best-in-class equipment, and utilizes the latest pain-management technology to provide affordable healthcare of the highest quality. To establish itself as the industry leader, One Dental adheres to the highest standards in dental office safety and hygiene, customer service, and recruiting, with a constant focus on ethics and transparency.

One Dental Office is a extremely professional and experienced in different fields of dentistry. We follow strict standards to deliver exceptional service and personalized dental care. At One Dental Office, you get all kinds of dental procedures like Cosmetic Dentistry, Dental Implants, Smile Makeover, and Kid’s Dentistry etc, backed by modern technology and professional dental care experts.

Your Family Dentist in St. Thomas

We look forward to welcoming you to our practice. Contact us to book an appointment. 




9:00 AM – 7:00 PM


9:00 AM – 7:00 PM


9:00 AM – 7:00 PM


9:00 AM – 7:00 PM


9:00 AM – 7:00 PM


9:00 AM – 2:00 PM



Public Transportation

New patient exams & Same day
dental emergency services.

One Dental is a chain of full-service dental offices. Since establishing in 2017 we have seen and treated thousands of patients and grown from 1 to 4 locations in 3 short years. Since we are growing now, we have started accepting new patients at all our locations. As a new patient at our office you can expect a wonderful non intimidating, calm environment coupled with exceptional service from our well trained doctors and staff.

We are currently accepting 30 new patients/month in our South London and Mt Brydges locations and 50 new patients/month at our new North London location.

Cosmetic Dentistry

A few things our current patients love us for:

Direct insurance billing.

Same day emergency services.

Comprehensive and Customised treatment plans.

No nonsense upfront approach.

Very few out of office referrals.

Gentle professional teeth cleaning.

Same day Implants.

We Love To See You Smile

Schedule Your Visit Today!

Meet Our St. Thomas Dental Professionals

At One Dental Clinics, our dentists and dental specialists have training and expertise to offer comprehensive dental services to our valued patients.

Dr. Omar


Dr. Prabin Tiwari received his Bachelor of Dental Surgery at Tribhuvan University in 2008. After being licensed in Ontario, Canada, he began practicing at One Dental. 

Dr. Tiwari is committed to providing quality dental treatment to his patients with his splendid knowledge and artistic procedural skills in dentistry. He loves performing cosmetic and restorative dentistry and is also equally efficient in performing surgical procedures. He is very well liked by our patients including kids and seniors. He prides on making patients relaxed and comfortable in dental chair throughout the procedure. 

He is an active member of the Canadian Dental Association and the Ontario Dental Association. He keeps himself updated in dentistry by attending numerous Continuing education courses, conferences, and online learning. 

His hobbies include traveling, photography, listening to music and playing guitar, he also loves to enjoy his time with his wife and son.




Office Manager


Dental Hygienist


Dental Hygienist


Dental Hygienist


Dental Hygienist

Your Dentists & Specialists

At One Dental Clinics, our dentists and dental specialists have training and expertise to offer comprehensive dental services to our valued patients.


Office Manager

We would like to introduce you to Sarah she is a key component in our Dental operation! As the Office Manager for ONE Dental St. Thomas Sarah’s job is to oversee the office operations. Sarah graduated from Fanshawe College as a CDA in 1991. With the 30-year dental experience from chair side to front desk, she is committed to making every patient and their families experience the best at ONE Dental. When Sarah is not working, she enjoys reading a good book and quality time with her family and their 3 dogs Milo, Milly, and Whiskey.


Dental Assistant

Lisa has been a Certified Dental Assistant since 2000, she gained her diploma at Southwestern Medix. Lisa has been fortunate to work in several aspects of dentistry and in doing so has gained a wide array of knowledge along the way. Working at ONE Dental Lisa enjoys meeting new patients and making their time in the dental chair as comfortable as possible. In Lisa’s spare time she enjoys spending time with her children and Jax heir Saint Bernard.


Dental Hygienist

Rose graduated from Fanshawe College in 1999 and prides herself on building trusting relationships with our patients. She has worked as a Dental Hygienist is St. Thomas for many years making a positive impact on patients by improving their oral health while maintaining a comfortable environment. With her warm and welcoming disposition Rose makes patients feel welcomed from their first visit at ONE Dental. Rose and her husband have 3 wonderful children and their dog Jake that keep her busy when she is not at the office.


Joshua Semk
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Awesome staff very friendly and helpful. Dr.Prabin was great, very professional and did an amazing job! Great experience highly recommend! God bless you all!
Robert Dowd
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I love it that thay are so nice and friendly to my family when we come in. If you need a dentist go see them.
Bhargav Patel
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I visited this clinic 3 times. staff are very friendly, no wait time. Dr. Patel is very thorough in his practice, always give straight info. would love to go there and recommend to other as well if they are looking for good Dentist.

Contact Us

St. Thomas


We Are Accepting Canadian Dental Care Plan (CDCP) & Refugee (Interim Federal Health Program)

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