Root canal treatment

Root canal treatment removes inflamed or infected tissue from inside a tooth, then cleans and seals the canal system. Whether it is suitable depends on an examination and appropriate imaging. This page is general information, not a diagnosis, recommendation or provider quote.

When root canal treatment may be considered

Root canal treatment may be considered when the pulp inside a tooth is irreversibly inflamed or infected. Symptoms can include persistent pain, lingering sensitivity, tenderness, swelling or a darkened tooth, but symptoms alone do not confirm the cause. The dentist needs to identify the affected tooth, assess whether it can be restored and discuss reasonable alternatives.

What treatment may involve

The provider should explain the diagnosis, proposed treatment, alternatives and important risks. Treatment commonly involves local anaesthetic, isolation of the tooth, access to the canal system, cleaning and shaping, disinfection and sealing. The number of appointments depends on the tooth, infection, anatomy, previous treatment and the restoration needed afterwards.

A root-filled tooth still needs an appropriate final restoration. Ask whether a filling, onlay, crown or another restoration is proposed, why it is needed and whether it is included in the estimate. Follow the provider’s case-specific aftercare instructions and use its urgent contact route if symptoms worsen or swelling develops.

The possible role of magnification

A dental operating microscope provides light and magnification. It may help a suitably trained clinician inspect small anatomy or previous treatment during selected stages. It does not replace diagnosis, imaging or clinical skill, and it does not guarantee that a tooth can be saved or that treatment will succeed. Ask whether magnification is available, who would use it and why it is relevant to the assessed tooth.

What the written estimate should confirm

• The identified provider, treating clinician and relevant registration
• The tooth and diagnosis, plus any remaining uncertainty
• Whether the procedure is first treatment or retreatment
• The expected appointments and any provisional travel timing
• Whether imaging, temporary work and the final restoration are included
• The price, currency, payment terms, aftercare and complaints route

Do not book non-refundable travel until the identified provider has given you enough written information to understand the proposed schedule and what could change after examination.