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Root Canal retreatment in Downtown Toronto

A failed root canal doesn’t mean you have to live with pain. At King West Dentistry in Downtown Toronto, we offer root canal retreatment to fix the problem and save your tooth. Book your appointment today and get the relief as quickly as possible.

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(647) 559-3226

Why You Might Need Root Canal Retreatment

Root canal retreatment is a dental procedure used to fix a tooth that has already had a root canal but has become painful or infected again. During retreatment, the dentist removes the old filling material, cleans and disinfects the canals, and seals the tooth to stop the infection from coming back.

You may need root canal retreatment if you notice:

  • Persistent pain or discomfort in the treated tooth
  • Swelling or tenderness in the gums
  • Sensitivity to hot or cold
  • A pimple-like bump on the gums
  • Cracks or damage to the original restoration
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Visit Us in the Heart of King West

Our modern clinic is located in the vibrant King West neighbourhood of Toronto, making it easy to fit your dental care into your busy day. IF you live or work nearby, we’re here to welcome you with expert care and a friendly smile.

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Do You Need a Retreatment?

Not Sure If You Need a Retreatment? | King West Dentistry

Not Sure If You Need a Retreatment?

Answer the questions below to find out if a root canal retreatment is right for you at King West Dentistry.

Our Root Canal Retreatment Process

Our Root Canal Retreatment Process

  • Accurate Diagnosis with 3D Digital X-Rays

    We use digital X-rays and 3D imaging to identify the source of the problem and plan the retreatment precisely.

  • Gentle Anesthesia & Sedation Options

    Your comfort matters. We use gentle local anesthesia and offer sedation options to help you relax during the procedure.

  • Careful Access & Cleaning

    We reopen the tooth, remove the old filling materials, and clean out any infection or missed canals from the original treatment.

  • Disinfection

    The canals are disinfected with advanced antibacterial solutions to eliminate any remaining bacteria.

  • Sealing the Canals

    We fill the cleaned canals with fresh material to seal and protect the tooth.

  • Restore the Tooth with a Crown (if needed)

    We restore the tooth with a strong, natural-looking crown or filling to ensure it functions normally.

  • Post-Care & Long-Term Success Monitoring

    After your treatment, we guide you through recovery and schedule follow-ups to make sure your tooth stays healthy for the long term.

FAQ

A: Signs of a failed root canal include ongoing pain, swelling, sensitivity to hot or cold, or a recurring pimple or abscess near the tooth. Sometimes, symptoms may be subtle or absent, so a dental exam with X-rays or 3D imaging is needed to confirm.

Thanks to modern anesthesia and sedation options, root canal retreatment is usually comfortable and pain-free during the procedure. Most patients find it less painful than they expected.



Retreatment generally requires 1 to 2 appointments, depending on how complex the infection and tooth structure are. Your dentist will give you a clear timeline during your consultation.

Extraction is sometimes necessary, but saving your natural tooth with retreatment is usually better. It maintains your bite, prevents shifting teeth, and avoids the cost and time of implants or bridges.

Delaying treatment can allow infection to worsen, leading to more pain, bone loss, or even tooth loss. In some cases, infection can spread, requiring more invasive procedures like surgery.

Let's get in touch!

(647) 559-3226

King West Dentistry is a full-service dental clinic in Downtown Toronto, and we look forward to caring for you and your family’s dental health.

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