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Dr. Sim and his staff are all very kind, knowledgeable people. I had my braces on for 3 years and Dr.Sim allowed this process to be very smooth. Dr. Sim genuinly cares about his patients, he was very encouraging when I needed to have rubber bands put into place. His

instructions and directions and very clear and simple, not overwhelming at all. I got my braces taken off 2 days ago and got my retainer. This process was very easily achieved over 2 days. Dr. Sim and his staff have a very clean and concise work ethic where no troubles were faced. My 2 other siblings will also be going to Dr. Sim for braces since the job was so well done without any issues or problems. Highly recommend and encourage supporting Dr. Sim Orhtodontics.

May 19/2021

Thank you so much to Dr. Sim and his amazing team for my daughter's beautiful new smile! We are so happy we chose this office-the smaller practice, personal treatment and ability to get to know your dental team so well was a pleasure. Brenda and Tori are always there with a smile and Dr. Sim does a great job seeing your child each visit. He's always calm and reassuring and was the perfect orthodontist for Brynn. Her treatment ended as predicted (other than a slight Covid closure related delay!) and I can't say enough about how happy we are with how gorgeous her teeth are. Thank you all so much, we look forward to working with you again for treatment with our other daughter! 



Such a wonderful office! Honest and sincere, with a small, friendly atmosphere, NOT a factory feeling with a dozen chairs. It's so nice to walk in and have Brenda know who you are (even after just a couple of visits) and have Dr. Sim treat your child personally, not a random hygienist. The staff is amazing and Dr. Sim's assistant Tori is always smiling- she's sweet and chatty, making everyone feel comfortable. Rates were definitely better than others from

surrounding Kanata offices. My daughter just had her braces removed after 21 months (small delay due to Covid related closure but otherwise, exactly on time for what was predicted) and her smile is gorgeous. Always a pleasure to visit this office. I would recommend Sim Orthodontics 100% and will return with my other daughter for her orthodontic treatment.

April 1/2021

Best orthodontist I have ever had. OK, it’s the only one I ever had, but the experience felt personal like they knew your mouth and what they needed to do to get it perfect. Everyone was super friendly with every interaction I had with them. If you need an orthodontist, pick this one! 


I had been with Dr. Sim for 2 years with terrific results. The staff have always been kind, accommodating, and professional - especially during the COVID-19 protocols. A great experience and I have even a better smile now! Thank you.

February 10/2021


Very happy with my Invisalign result. The people who work at the office are friendly and knowledgeable. Dr. Sim provides excellent service. Highly recommend! 


Always a pleasure to drop by for my monthly visit as Brenda is so friendly and helpful as well as the rest of the team. They take their time to explain stuff to you, which is a treat in the medical world. Dr. Sim is the man! Always has me in and out of there so quickly and is empathetic with my soreness and gum scratches. Highly recommend it!

*Update a year later* I just got my braces taken off and I can’t keep staring at my teeth and believing that these are all mine!!* 


Dr. Sim and his staff are excellent and extremely professional. My son's experience was very positive from the beginning of his journey with braces, until they were removed last week. Thank you to Dr. Sim and his team for their dedication and professionalism. 


Everyone in the office is so friendly and any questions are always welcome. Especially love Brenda at reception. Thank you to everyone there who helped make my sons experience a pleasant one.

September 16/2020

Dr. Sim and his staff have been caring for my two sons for several years now. My younger son just completed his care. It’s a little sad to think we won’t be going there every few weeks for regular visits! The office is super clean, the staff calm and patient, and the care exceptional. 10/10

August 21/2020

Dr. Sim did everything he could to minimize intervention while still achieving amazing results for my son. He was helpful and available during emergencies and always calm and encouraging.

August 20/2020

Pleasant staff and always on time. Knowledgeable and cost efficient when comparing others. Great results with a great smile.

July 31/2020

Appointments are on time and the staff is wonderful. We had one small issue over a weekend & the swift response was fantastic.

February 13/2020

Very friendly and caring. Highly recommended. Beautiful result.

February 13/2020

Excellent experience with our 2 children. Dr Sim explains in great details the plan of action and listens carefully to your questions or concerns.

December 17/2019

Just completed my treatment at Dr. Sim's. Two of my children had been there before me. We would happily recommend Dr. Sim and his staff. They are friendly, knowledgeable , and efficient.

October 30/2019

My 2 kids and I went there and I would highly recommend anyone looking for a great orthodontist. Excellent results for all of us. Thank you Dr. Sim and all the staffs for our beautiful smiles!

October 29/2019

We just loved our experience with Dr. Sim and his team of professional staff. My 3 kids went there and i would highly recommend anyone looking for great service with a smile.

October 18/2019

A very welcoming and knowledgeable environment with a great team who are efficient but do not make you feel rushed in and out.

August 1/2019

Dr Sim has treated 2 of my children and my daughter was a complicated case but he took on the challenge and both her and my son have beautiful smiles thanks too Dr Sim. His staff are so welcoming and kind. Have recommended them to many.

July 31/2019

Very accommodating and efficient. Excellent results with both kids. Would highly recommend Dr. Sim.

July 31/2019

I have just had my braces removed and the entire process was painless and efficient. Dr. Sim is very experienced with removing and inserting the braces so I was never afraid of getting hurt in the process. The staff is kind and helpful and I have had zero problems with scheduling. Would highly recommend coming here if you need any orthodontic services.

February 21/2019

My daughter just got her braces off after 2.5 years treatment and we are super happy with the results. Dr. Sim and all the office staff have been very knowledgeable and helpful. We would highly recommend their professional and caring service to anyone in need.

January 16/2019

I had a fantastic experience with Dr. Sim and all office staff.

Brenda is always able to accommodate difficult schedules and is so pleasant to work with.

I was always seen right on time and my treatment finished sooner than expected

Extremely happy with the finished results

Would 100% recommend Dr. Sim to anyone needing braces

January 6/2019

Excellent work, on and off very fast! Super nice people.

December 22/2018

Awesome experience. Friendly, knowledgeable staff, always on-time. Would definitely recommendation Dr. David Sim and use him again if the situation arises.

December 6/2018

Dr. Sim was excellent. He always knew the answers to my questions and was thoughtful and kind. Scheduling was always a flexible breeze and if I had to do it all again I'd pick Dr. Sim once more.

December 6/2018

Dr. Sim is an excellent orthodontist and my son Matthew's smile looks magnificent. I would highly recommend him to anyone! Thank you Dr. Sim.

November 23/2018

Both of my kids are Dr. Sim's patients. I am really happy with the results. I would highly recommend this doctor.

November 22/2018


Decided in my late 30's to get ortho treatment, Dr Sim told me that he would fix my bite and give me a great smile, he delivered in both and I would recommend him to everyone.

September 27/2018

Dr. Sim is very knowledgeable, friendly and professional. We would not hesitate to recommend him to anyone.

August 16/2018

We were very happy with Dr Sim and his staff. Met all of our expectations.

August 13/2018

Thank you for all the great experiences and perfect work on my daughter's teeth. Would highly recommend Dr Sim.

April 29/2018

Both our children went through the braces process with Dr. Sim & staff. Very pleased with the results.

April 18/2018

Experienced doctor, I ended up with my teeth perfectly aligned and everything.

April 9/2018


Sim Orthodontics

260 Hearst Way

Kanata, ON 

K2L 3H1

Phone: 613-591-1638



Monday: 7:30 AM – 4:30 PM

Tuesday: 7:30 AM – 4:30 PM
Wednesday: Varies
Thursday: 7:30 AM – 4:30 PM
Friday: Closed

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