Root canal therapy

Root canal therapy (also known as endodontic therapy) is a treatment sequence for the infected pulp of a tooth which results in the elimination of infection and the protection of the decontaminated tooth from future microbial invasion. This set of procedures is commonly referred to as a "root canal." Root canals and their associated pulp chamber are the physical hollows within a tooth that are naturally inhabited by nerve tissue, blood vessels and other cellular entities.

Procedure

Root canal therapy involves the removal of these structures, the subsequent shaping, cleaning, and decontamination of the hollows with small files and irrigating solutions, and the obturation (filling) of the decontaminated canals. Filling of the cleaned and decontaminated canals is done with an inert filling such as gutta-percha and typically a eugenol-based cement.

Indications

Root canal therapy is necessary when the pulp, the soft tissue inside the root canal, becomes inflamed or infected. The inflammation or infection can have a variety of causes: deep decay repeated dental procedures on the tooth or a crack or chip in the tooth. In addition, an injury to a tooth may cause pulp damage even if the tooth has no visible chips or cracks. If pulp inflammation or infection is left untreated, it can cause pain or lead to an abscess.

Complications

Complications may occur if the root canal therapy is not done properly. These may include a missed canal, inadequate cleaning and filling, and instrument fracture.

See also

• Dental pulp
• Endodontics
• Tooth decay
• Dental abscess

References

Root canal therapy Resources
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