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(289) 210-2382Appointments

Root Canal Therapy in Mississauga

When tooth pain or infection strikes, preserving your natural tooth is often the best solution. At Mississauga Smiles Dentistry, we offer expert root canal treatment in Mississauga to relieve discomfort, stop infection, and restore function all with advanced tools and a gentle approach. Whether you're experiencing deep decay, swelling, or prolonged sensitivity, our goal is to save your tooth and prevent further complications, so you can return to eating, speaking, and smiling with ease.

What Is Root Canal Treatment?

A root canal is a procedure used to remove infected or damaged tissue from inside a tooth’s root canal system. After cleaning and disinfecting the area, we fill and seal the canal to prevent reinfection, followed by a restoration like a crown to strengthen the tooth.

At Mississauga Smiles Dentistry, we provide several types of root canal treatments based on the location and condition of the affected tooth:

  • Anterior (front teeth) root canals, often simpler and quicker due to fewer canals
  • Premolar and molar root canals, involving more complex anatomy and multiple canals
  • Emergency root canal treatment for patients in pain or with active infection requiring immediate care


Root canal therapy is often the alternative to extraction allowing you to keep your natural tooth and avoid replacement solutions like implants or bridges.

Technology That Supports Our Root Canal Procedures

We use precise diagnostic tools and modern techniques to make root canal therapy more efficient, comfortable, and successful.

Our technology includes:

  • Digital X-rays, providing clear images of the tooth’s roots and surrounding bone with low radiation exposure
  • Apex locator devices, used to determine the exact length of the root canal and ensure complete cleaning
  • Rotary endodontic tools, which are flexible, motorized instruments that shape the canal more efficiently than manual files, reducing treatment time and improving outcomes


These tools allow for high accuracy, less chair time, and a smoother experience overall.

Who Needs a Root Canal?

Root canals are often necessary when a tooth’s nerve or pulp becomes infected or inflamed due to decay, trauma, or previous dental work. Symptoms can vary, sometimes pain is intense, and other times the infection is only seen on X-rays.

You may be an ideal candidate for root canal therapy if you have:

  • Deep decay or large cavities that have reached the pulp
  • Swelling or abscess near the tooth or gum
  • Persistent sensitivity to heat or cold
  • Pain when biting or chewing
  • A desire to save your natural tooth rather than having it extracted


Root canals are one of the most common and reliable dental procedures, with high success rates when performed early and properly restored with a dental crown afterward.

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Root Canal Cost in Mississauga

Root canal treatment is an investment in preserving your natural teeth and avoiding more invasive options down the road. At Mississauga Smiles Dentistry, we provide clear, competitive pricing and support with insurance claims.

  • The cost for molar root canals ranges from $800 to $1,200, depending on complexity
  • Most dental insurance plans cover root canal treatment as a basic or major service
  • We’ll provide a complete estimate after your initial exam and help you understand your coverage


For added value, we offer a discount when combining root canal treatment with a crown placement, which is often required to protect and reinforce the treated tooth.

What to Expect During Root Canal Therapy

A root canal is often completed in one to two visits, depending on the complexity of the case and whether infection is present.

Here’s what the process looks like at Mississauga Smiles Dentistry:

1. Diagnosis and Planning
We examine the affected tooth using digital X-rays and assess symptoms. If a root canal is recommended, we explain the process and answer your questions.

2. Numbing and Isolation
The area is numbed with local anesthesia to ensure complete comfort. A protective barrier is used to keep the tooth dry and clean during the procedure.

3. Cleaning the Canal
Using rotary tools and apex locators, we remove the damaged pulp, clean the canal thoroughly, and shape it to receive the filling.

4. Sealing the Tooth
The canal is filled with a biocompatible material and sealed to prevent reinfection.

5. Final Restoration
A temporary or permanent restoration is placed. In most cases, a dental crown is recommended shortly after to protect the tooth and restore full strength.

Long-Term Success and Care

Root canals have a very high success rate when followed by proper care and monitoring. At Mississauga Smiles Dentistry, we support your recovery and long-term oral health with:

  • Follow-up checkups to monitor healing and restoration
  • Dental crowns to reinforce and protect treated teeth
  • Custom night guards for patients with grinding habits that may compromise tooth structure
  • Preventive dental hygiene visits to reduce the risk of future decay


With good oral hygiene and regular dental care, a tooth that has undergone root canal therapy can last just as long as your natural teeth.

Book a Root Canal Consultation in Mississauga

If you're experiencing tooth pain, swelling, or prolonged sensitivity, don’t wait. Early intervention can save your tooth and prevent more serious problems. At Mississauga Smiles Dentistry, we provide root canal therapy in Mississauga with advanced tools and a compassionate approach that puts your comfort first.

Book your consultation today to learn whether root canal treatment is the right solution for your dental health. We’re here to help you keep your smile strong, healthy, and pain-free.

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The Mississauga Smiles Dentistry team
Mississauga Smiles Dentistry
4.7 ★★★★★

Based on 452 reviews

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I couldn’t be happier with my Invisalign journey with Dr. Mohamed at Mississauga Smiles Dentistry! From my very first consultation to my final results, the entire experience has been exceptional. Dr. Mohamed is incredibly patient, knowledgeable, and takes the time to explain every step of the treatment process. He genuinely listens to your concerns, pays close attention to what you want to achieve, and works with you until you’re completely satisfied with the results. I always felt heard, never rushed, and confident that I was in excellent hands. The transformation of my smile exceeded my expectations, and I’m so grateful for the care and attention to detail throughout my treatment. You can tell that Dr. Mohamed truly cares about his patients and takes pride in delivering the best possible outcome. The staff at Mississauga Smiles Dentistry also deserve recognition. They are warm, welcoming, professional, and consistently kind, making every visit a pleasant experience. From booking appointments to checking in, the customer service is absolutely top tier. I honestly don’t think this clinic has enough reviews for the quality of care they provide. If you’re considering Invisalign or any dental treatment, I highly recommend Dr. Mohamed and the entire team at Mississauga Smiles Dentistry. The service, professionalism, and results are outstanding, and I would choose them again without hesitation. Thank you for giving me a smile that I’m truly confident to show off!

Russell Sanchez3 months ago

I recently finished my Invisalign treatment at this clinic, and I can honestly say it was the best experience I’ve had in almost two years. Dr. Mohamad Khorshid and the whole staff were incredibly friendly, professional, and welcoming. The results blew me away — I’m beyond happy with how everything turned out. Even though I travelled from Niagara Falls to Mississauga, they accommodated my situation and supported me every step of the way. Huge thanks to the Office Manager Karen and Admin team Ruba, Bozena, and the entire team for taking such great care of me. Highly recommended for anyone in the GTA. I can now smile with confidence for the rest of my life 🙂

Bairma Pande4 months ago

I had my crown installed today by Dr. Mindy and her assistant, Zoe, and I couldn’t have asked for a better experience! The procedure lasted a little over two hours, but Zoe made me feel comfortable from the very beginning. She walked me through the entire process, offered me a movie with headphones and a remote, and made sure I knew exactly what to expect—including letting me know ahead of time that I’d have a chance to use the washroom during the appointment, which was such a thoughtful touch for a longer procedure. Dr. Mindy was wonderful throughout the treatment and took the time to clearly explain the aftercare and answer all of my questions. Zoe also went over the post-procedure instructions and dietary recommendations to make sure I felt confident going home. As someone with sensitive gums who’s not a fan of freezing injections, I really appreciated how calm, caring, and reassuring they both were. What could have been an intimidating appointment turned into such a relaxed and enjoyable experience. It honestly felt like I came over for a nice chat, watched a movie… and happened to leave with a brand-new crown! Thank you, Dr. Mindy and Zoe, for your professionalism, kindness, and amazing care. You’ve definitely made me your newest “tooth-crowned queen!” 👑🦷 — Bairma

Renzo Angeletti4 months ago

Excellent experience from Start to Finish, from front desk/reception to the dental work all good. Shout out to some staff and dental assistants, Suzan, Sheryl, Karen, Kayla, Macy , Thanks. Dr. Mohammed has excellent bedside manner, very knowledgeable and with the latest technology. Fast, friendly and professional . I did 16 crowns and 2 dentures . Also thanks to the Denturist Mehran who did and adjusted my 2 dentures. Highly recommended. Patient Renzo Angeletti

Fahad Haddad5 months ago

I had a very good experience at this clinic. Dr. Mohammed has created a welcoming and professional place. Dr. Ramez Salti did my tooth implant and bone graft, and I was very happy with the care I received. Thank you to the front desk staff for being friendly and helpful, and to Suzan for her support and great organization. My wife, son, daughter, and I all trust this clinic and highly recommend it.

Maryam Sh8 months ago

Dr Khorshid and his team are brilliant! I had many treatments done including cleaning, two root canal, crown placing and lots of cavities! And I got Invisalign!! I already had braces when I was 11 but my lower jaw got crowded again. before Dr Khorshif I consulted with 3 other dentists but never felt comfortable and heard! I had a full hour free consultation with Dr Khorshid and all my concerns were heard and answered! The team very caring and professional! I definitely recommend this place!

Latavious8 months ago

At Mississauga Smiles, I felt genuinely welcomed from the moment I walked in. The entire team is exceptionally patient, professional, and clearly skilled at what they do. Dr. Muhammad transformed my smile with remarkable care and precision, and I find myself appreciating the results more with each passing day. The process felt seamless, and I was confident throughout that I was in capable hands. While their services are not inexpensive, the quality of care and attention to detail more than justify the cost. Whether paying out of pocket or through insurance, it’s important to be prepared—but the level of service provided is truly top tier. I would confidently recommend Mississauga Smiles to anyone seeking excellent dental care PS: GE

Ryan B9 months ago

Dr. Mohammad and team accommodated a last minute appointment for a chipped tooth. I really appreciate him and his team!

antonio bitos10 months ago

I have visited Mississauga Smiles Dentistry three times this year, and each experience has been wonderful. From the warm greetings of the receptionists who are very friendly and always greet you with a genuine smile to the welcoming ambience of the facility, everything makes you feel comfortable right away. For the past two years, Meena has been my go-to hygienist, and she is incredibly amazing and helpful. She is friendly, makes you feel comfortable at all times, and is very meticulous when it comes to cleaning my teeth and checking my gum condition. She also provides helpful advice that I truly appreciate. I would definitely recommend Mississauga Smiles Dentistry to everyone!

Shams Al-Azzawi11 months ago

Dr. Mohammad Khorshid is an excellent dentist and clearly cares a lot about his patients from my personal experience. I had the honour to have Invisalign treatment and composite bonding on my front teeth done with him, so now I can smile confidently after such a long time of feeling ashamed of my smile. He does such a wonderful job and I would highly recommend him as he listens carefully to his patients’ needs and concerns. I could say a lot about Dr. Mohammad but I need to mention how all of the staff were extremely friendly with me. Each and every one of them have given me a very positive experience attending the Mississauga Smiles Dentistry dental office.

I had such a great experience with Dr. Mohamad and the entire team at Mississauga Smile Dentistry! From the moment I walked in, everyone was welcoming and professional. Dr. Mohamad is patient, gentle, and takes the time to explain everything clearly — you can tell he genuinely cares about his patients. The clinic is clean, modern, and the staff make you feel completely at ease. I’m so happy with my results and finally look forward to my dental visits now. Highly recommend!

Bryan Suharlya year ago

I was nervous going in since I hadn’t been to the dentist in a while, but from the moment I walked in, I felt cared for. Everything was clean and welcoming — even the chair pillows were so soft, which showed me how much they care about the little details. The staff were friendly and never rushed me. From intake to the exam, they listened carefully to all my concerns and explained each step clearly. My hygienist checked in often, reminded me I could raise my hand if I felt uncomfortable, and made me feel at home, like I was talking to a friend. The dentist also took the time to answer my questions and was kind and gentle throughout. I didn’t expect them to have so much technology — TVs in every room, advanced tools, even ways to communicate seamlessly between staff. It gave me a lot of confidence that I was in good hands. Most importantly, it felt like finding a dental home. I’m not someone who likes switching dentists, but after one bad experience at my last office, this was such a relief. I haven’t had procedures done here yet, only an exam, but I already feel positive and confident that they’ll take great care of me. I also appreciate that they accept government insurance — that really makes a difference for accessibility. Highly recommend!