Dependable Family Dentistry In Oshawa You Can Rely On

We've Been Providing Local Dentistry For Families Since Since 1958

Serving Oshawa & Durham Region

Trusted Family Dentistry, The Way It Should Be.

Your family's complete dental health is important to us.

By placing a special focus on comprehensive oral health, we work with families to create positive management and prevention strategies that work for all involved.

We provide all of the dentistry services your family will need and we can take care of anything related to your family’s well-being as they arise.

You’ll find our office environment to be friendly and supportive and you’ll benefit from keeping a consistent dental history with us.

By working with families directly, we can help to ensure complete oral health and problem-free all but ensure you

We also provide top-notch dental services for adults and teenagers – like Mini Dental Implants and Braces & Clear Aligners – and our dentistry for kids is known throughout Oshawa & Durham Region.

Reliable Family Dentistry That's Here When You Need It.

Knowing that your family dentist is consistent and here when you need something is important to you and to us as well. Our clients are like family to us and knowing who you are and what you need really is what we’re all about.

Best Family Dentistry In Oshawa, Durham Region
Best Family Dentistry In Oshawa, Durham Region

Families LOVE Coming to RDC Dental!

Some Of The Benefits Of Becoming Our Cients Include:

Our Family Dentistry Services



We moved out here from Toronto and it was just too far to go back to our old family dentist. I searched around for a while and decided to choose RDC. I liked that they were a family business and the fact they’ve been open for so long helped me trust them. Now my family gets the best dental care and we just love Dr. Riordan!

Durham Region Family Dentists Client Testimonial

Nicole L.

Why Choose RDC Dental For Your Family Dentistry?

Proactive Family Dental Services In Oshawa & Durham Region

Proactive Family Dental Health Care

Knowing you means we’ll be able to act before the dental problems begin.

Family Dentistry Health History

We're Aware Of Your Family's Health

Having access to your health and history will help us create a treatment plan.

Family Tooth and Gum Dental History

We'll Know All Of Your Your Teeth & Gums

Knowing what’s normal for your family will help us catch any changes that occur.

Dentists For Kids, Teenagers & Families In Oshawa, Durham Region

We're Great With Kids And Teenagers

We work with tons of families and know how to interact with your kids, trust us!

Direct Dental Billing For Families

Billing For Treatments Is Much Simpler

Once we have you in our system, we’ll take care of everything in the background.

Family Dental Appointments & Scheduling

We'll Schedule All Of You Together

We’ll make your life simpler by scheduling all of your appointments on the same day.

Family Dental Health Monitoring

We'll Monitor All Of Your Health Issues

If there’s anything worth keeping an eye on, we’ll be able to do just that.

Family Dentists In Oshawa & Durham Region

We'll Build A Great Relationship

Really knowing and trusting the people who provide your treatments is what it’s about.

We've Been Serving Oshawa & Durham Region Since 1958

As one of the oldest dental clinics in Oshawa (and Durham Region), we have been serving families for decades.

Family owned and operated, my father originally opened “Riordan Dental Care” 1958 and we have been successfully serving families like your own ever since.

My sister and I eventually joined the practice – and our dad – and worked with him for years until he retired. We’ve always enjoyed working with local families and being an important part of their dental health.

These days, a lot of our patients are the children of people my dad used to care for and we look forward to continuing all of our relationships well into the future.


I’ve been coming here since Dr. Riordan’s father ran everything and now I bring my own kids! We always get the best treatment and love all of the staff, too. They schedule us all together, which makes like so much easier and my son actually looks forward to playing the video games.

Oshawa Family Dentist Client Testimonial

– Sandra B.

Family Dentistry • Oshawa, ON • Durham Region • Kids, Teens & Adults

Frequently Asked Questions

Finding an established and trustworthy dentist in your area is probably the most important consideration.

Look at their online reviews, call them to arrange an introductory visit and see if they offer all of the services you think your family might need.

Also check their qualifications, education and professional memberships and affiliations.

We’re always accepting new patients and especially families!

We definitely can.

We offer affordable Premium Dental Hygiene Packages that provide what you’ll need to keep your teeth and gums in tip-top shape.

Most do at first, but we deal with a lot of kids (and teenagers, too) and we’ve learned how to gain their trust and keep them occupied while here.

Check out our kids dentistry page to learn more about that.

We do it all the time.

We stagger our hours for this very reason and we’ll definitely work with you to find appointment dates and times that work the best for you and your family.

That’s not a problem.

People change dentists for many reasons and we should be able to simply make a phone call and have everything transferred to us in no time.

We provide many in-house dental services, from general cleanings and fillings to braces, dental implants, emergency visits and more. Whatever you need, we can take care of everything right here.


We have families from all over Durham Region who come to see us from Ajax, Whitby, Bowmanville and more.

We Accept Most Insurance Plans:

Green Shield Dental Insurance Logo
Canada Life Dental Insurance Logo
Manulife Dental Insurance Logo
Blue Cross Dental Insurance Logo
Industrial Alliance Dental Insurance Logo
Johnston Group Dental Insurance Logo
Chambers Of Commerce Dental Insurance Logo
Maximum Benefit Dental Insurance Logo

Don't Have Dental Insurance?

We take our dentistry for kids seriously and not having dental benefits or insurance shouldn’t prevent you from taking care of your child’s dental needs.

We’re happy to create a payment arrangement that works for you and your family.

Reach out to us and let’s discuss it!

RDC Dental Care Dr. Peter Riordan

“We have been offer full-service family dentistry in Oshawa since 1958 and enjoy the time we spend caring for local families. Join us and you’ll see why we’re one of the oldest – and most successful – clinics in the area. 60+ years is a long time and we’re proud of the trust we’ve earned from families.”

Request Your Free Consultation

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Riordan Dental Care Oshawa Ontario

Driving Directions:

Located in Oshawa, Ontario, we are on the east side of Simcoe Street North, just south of Beatrice Street East and north of Sunset Drive.

If you are driving south on Simcoe, continue past Beatrice Street and Liz’s No Frills (you’ll see it on your right side). We are just past that plaza, on the left (east) side.

If you are driving north on Simcoe Street, go past the Long & McQuade Musical Instruments store (on your left) and the Petro Canada gas station (right side).

The next street on your left will be Sunset Drive (where the Shell gas station is) and we are just past that intersection, on the right (east) side.


Free parking is available on the south (right) side of the building.

Public Transit:

You can take the Simcoe Street Northbound or Southbound bus.

Both directions have stops at Sunset Drive, just south of the clinic.

The Simcoe Southbound Bus Stop ID is: 715

The Simcoe Northbound Bus Stop ID is: 686

Please visit the Durham Region Transit website’s schedule page for routes, fares and times.


The clinic is fully accessible.


You can call the clinic during regular business hours or leave a message if we aren’t able to take your call.

Our Service Areas:

Oshawa Neighbourhoods: