Root canal treatment, also known as endodontic treatment, is a procedure performed by an endodontist or general dentist to treat an infected or damaged tooth. During the procedure, the dentist removes the infected or inflamed pulp and cleans the inside of the tooth. Then, the tooth is filled and sealed to prevent further infection or damage.

Root canal treatment is typically necessary when the dental pulp becomes infected or inflamed due to deep decay, tooth fracture, or trauma. If left untreated, the infection can spread and cause serious complications such as abscess or bone loss. Root canal treatment can save the tooth by removing the infected pulp and can prevent the need for extraction.

Overall, root canal treatment is a common and effective way to save a damaged or infected tooth and restore its function.