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  • The stages of root canal treatment: Step-by-step guide to saving your tooth

The stages of root canal treatment: Step-by-step guide to saving your tooth

Dr David Selouk
Written in association with: Dr David Selouk Specialist in Endodontics in Central London
Published: 28/10/2025 Edited by: Conor Lynch on 13/11/2025

Root canal treatment is a common dental procedure designed to save a tooth that is severely damaged or infected. It often has a reputation for being intimidating, but understanding what happens step by step can make the process far less daunting.

The treatment begins with a thorough examination and X-rays to determine the condition of the tooth and the surrounding tissue. Local anaesthesia is applied to numb the area, ensuring that the procedure is as comfortable as possible. The dentist or endodontist will explain the treatment plan and discuss any questions, helping the patient feel prepared.


The procedure itself starts with the careful removal of the infected or inflamed pulp inside the tooth. Specialised instruments are used to clean and shape the canals, while antibacterial solutions flush out debris and bacteria. Depending on the situation, a temporary filling may be placed to protect the tooth if multiple visits are needed. Once the canals are clean, they are filled with a biocompatible material that seals them and prevents future infection. This step is crucial to ensure the tooth remains healthy and functional.


After sealing the canals, the tooth is restored with a permanent filling or a crown, which strengthens the structure and restores normal function. Proper restoration protects the tooth from further damage and allows it to handle everyday biting and chewing without issues. Most patients experience minimal discomfort during and after the procedure, and good oral hygiene supports long-term success.


A follow-up visit may be scheduled to monitor healing and ensure the tooth remains infection-free. Understanding the stages of root canal treatment helps demystify the process, showing that it is a carefully controlled, step-by-step procedure focused on preserving natural teeth, relieving pain, and maintaining oral health for years to come.

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