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Root Canal

This page explains why a root canal may be needed, what root canal symptoms can mean, how dentists assess whether a tooth can be saved, and what happens during and after root canal treatment. It covers tooth pain, damage or infection in the tooth pulp, deep decay, cracked teeth, dental abscesses, treatment timing, alternatives to root canal treatment, possible complications, recovery, and long-term outcomes.

Whether you have persistent tooth pain, sensitivity to hot or cold, pain when biting, swelling, or no symptoms at all, this guide can help you understand what may be happening inside the tooth. It is also designed for people who have been told they may need a root canal, are deciding between root canal treatment and extraction, or are recovering after treatment.

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🦷 Root Canal Treatment: Signs, Symptoms, Treatment, and Recovery

Root canal treatment is used when the soft tissue (pulp) inside a tooth becomes inflamed or infected and can no longer heal on its own. While some teeth cause severe pain, others may have little or no pain at all. This guide explains the warning signs, what happens during treatment, what to expect during recovery, and when you should contact your dentist.

Whether you're worried about tooth pain, have been told you might need a root canal, or are recovering after treatment, this guide will help you understand what to expect and when to seek dental care.

Five images showing one tooth's journey: a clinical photo of a deep cavity, a radiograph of the large infection, a radiograph after root canal treatment, a clinical photo of the finished crown, and a 1-year follow-up radiograph showing the bone has fully healed.
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Tooth Preservation in Action 🔬Clinical diagnosis ➔ Radiographic assessment ➔ Root canal obturation ➔ Crown placement ➔ 1-Year radiographic proof of complete bone healing. This tooth was saved.
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Usually performed under local anaesthetic

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Many treatments are completed in one or two visits

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Root canal treatment helps save many natural teeth

Quick answers

QuestionDo I need a root canal?

Quick answerOnly a dental examination and X-rays can confirm whether a root canal is needed.

QuestionDoes every tooth hurt?

Quick answerNo — some infected teeth cause little or no pain.

QuestionWill treatment hurt?

Quick answerMost procedures are carried out under local anaesthetic.

QuestionCan antibiotics replace treatment?

Quick answerUsually not. Antibiotics cannot remove infection from inside the tooth.

QuestionCan a root canal-treated tooth last?

Quick answerMany treated teeth function well for many years with appropriate care.

Each stage of the journey below links to more detailed guides if you would like to learn more.

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Key Takeaway

Not every toothache needs a root canal, and not every tooth that needs a root canal causes pain.

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