Root Canal Treatment: The Process, Step by Step

Author: Dr Behnam Aminnejad. Posted: 27.10.23

Disinfecting the inside of a tooth is a crucial dental procedure commonly referred to as root canal therapy. This treatment is typically necessary when the pulp of a tooth becomes infected or damaged due to decay, injury, or other dental issues. To effectively disinfect the inside of a tooth, several steps and techniques are involved:

1. Diagnosis and Evaluation:

- The first step is to identify the need for root canal therapy. This often involves a thorough examination by a dentist or endodontist (a specialist in treating the inner parts of teeth).

- X-rays may be taken to assess the extent of infection and damage to the tooth's pulp.

2. Anaesthesia:

- Before beginning the procedure, the dentist will administer local anaesthesia to numb the tooth and surrounding area. This ensures the patient feels little to no pain during the treatment.

3. Isolation:

- To maintain a sterile environment and prevent saliva contamination, a rubber dam is placed around the tooth. This also keeps the tooth dry during the procedure.

4. Access Opening:

- The dentist creates a small access opening in the crown (top) of the tooth using specialized instruments. This opening allows access to the pulp chamber and root canals.

5. Removal of Infected Tissue:

- The infected or damaged pulp tissue is carefully removed from the pulp chamber and root canals using small files and irrigation solutions. This step aims to eliminate the source of infection.

6. Cleaning and Shaping:

- The dentist then cleans and shapes the inside of the tooth's root canals to remove any remaining infected tissue and debris. This process involves using specialized instruments and disinfecting solutions.

7. Filling and Sealing:

- After the tooth's interior is thoroughly cleaned and disinfected, it is filled with a biocompatible material, typically gutta-percha, to replace the removed pulp tissue.

- The access opening is sealed with a temporary or permanent filling material to prevent further contamination.

8. Restoration:

- In most cases, a tooth that has undergone root canal therapy will require a dental crown to provide strength and protection. The crown is custom-made to match the shape and color of the natural tooth and is cemented in place.

9. Follow-up:

- Patients are typically scheduled for a follow-up appointment to ensure the tooth is healing properly and free from any signs of infection.

10. Post-Treatment Care:

- Patients should maintain good oral hygiene practices, including regular brushing and flossing, to prevent future dental issues.

- It's essential to attend regular dental check-ups to monitor the health of the treated tooth and surrounding structures.

In Summary

Root canal therapy is an effective way to disinfect and save a tooth that would otherwise need to be extracted due to infection or damage. It allows individuals to retain their natural teeth and maintain proper oral function. If you suspect you may need a root canal, it's important to consult with a dental professional to assess your specific situation and discuss treatment options.

If you would like more advice or would like to make appointment, please telephone the practice during open times: 01248 370054

Read more of Dr Behnam Aminnejad's dental care articles and tips: Back to Blog

Step By Step Root Canal, Dr Behnam Aminnejad



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  • Master's degree in Endodontic (Root canal treatment)
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