Dental treatment guide
5 min readRoot canal treatment
Root canal treatment treats infection or inflammation inside a tooth. It aims to manage the tooth, but no treatment can promise that a tooth will be retained.
Root canal treatment is used when the pulp inside a tooth is infected or inflamed. A dentist assesses whether the tooth is suitable and discusses alternatives.
This is a treatment overview, not recovery advice. Symptoms after treatment should be discussed with the treating practice.
At a glance
Understand the aim
Inside the tooth
- Treatment cleans and fills the root canal system.
- Suitability depends on the tooth, infection, restorability and patient factors.
- Further restoration such as a crown may be discussed.
Discuss options
Assessment
- Ask what alternatives exist, including extraction where relevant.
- Ask how many visits may be needed and what restoration is planned.
- Ask what symptoms to report during or after treatment.
Report symptoms
Pain or swelling
- Worsening pain, swelling or a bad taste needs prompt advice.
- Pain after root canal treatment can have several causes.
- Facial swelling or fever needs urgent assessment.
Contents
What root canal treatment is
Root canal treatment involves accessing the inside of the tooth, cleaning the root canal system, filling it and restoring the tooth. The exact stages depend on the tooth and clinical findings.
Possible causes or contributing factors
- Infection or inflammation inside a tooth.
- Deep decay, cracks, trauma or leaking restorations.
- A tooth that may otherwise need extraction depending on findings.
What you can do now
- Ask why root canal treatment is being considered.
- Discuss alternatives, restoration plans and costs.
- Follow advice from the treating practice during treatment.
What not to do
- Do not assume treatment means the tooth will be retained.
- Do not ignore swelling or worsening symptoms between visits.
- Do not rely on medicines as a substitute for dental treatment unless a clinician has advised them for a specific reason.
When to contact a dentist
- You have been told a tooth may need root canal treatment.
- Symptoms change while waiting for or between appointments.
- You want to understand alternatives and restoration plans.
When prompt dental advice is needed
- Pain is severe, worsening or affects sleep.
- There is swelling, fever, a bad taste or difficulty opening the mouth.
- A temporary filling or restoration breaks during treatment.
What a dentist or relevant professional may assess or do
- Assess the tooth, X-rays and restorability.
- Clean, shape and fill the root canal system where suitable.
- Plan a restoration and monitor healing where appropriate.
Frequently asked questions
Does root canal treatment mean the tooth will be kept?
No. It may be recommended to treat a tooth, but outcome depends on clinical factors and cannot be promised.
Is this the same as aftercare?
No. This guide explains the treatment. See the recovery guide for symptoms after root canal treatment.
What if I get swelling while waiting?
Contact a dentist promptly. Swelling, fever or worsening pain can need urgent dental assessment.
Need specialist treatment information?
Odenta can help patients understand when specialist dental care information may be relevant before discussing suitability with a dentist.
View specialist dental care informationOfficial sources
These links open external official guidance pages for further help.
Content reviewed by Dr Majid Saeed · 13 July 2026
References used for this guide are listed above.
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