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Root canal therapy is the most commonly used effective treatment method for pulpal disease and periapical disease. The principle of root canal therapy is to remove most of the infections in the root canal through mechanical and chemical methods, and to prevent the occurrence of periapical lesions or promote the healing of periapical lesions that have occurred by filling the root canal and closing the crown.

Zhang Jie	(Attending physician)	Department of Dentistry, Peking University Stomatological Hospital
Liang Yuhong	(Deputy Chief Physician)	Department of Dentistry, Peking University Stomatological Hospital

Chinese name: Root canal therapy
Foreign name: root canal therapy

Indication: Dental pulp or periapical disease
Affiliated Department: Dental pulp

Indications for root canal therapy

Root canal therapy is suitable for teeth diagnosed with endodontic or periapical disease. The endodontic tissue needs to be removed and the root canal infection must be removed in order to retain the entire affected tooth or root. However, the affected tooth must have sufficient teeth. Tissue and bone support.

In some cases, some include trauma, dental restorations, periodontal surgery, or other treatment needs, as well as the removal of dental pulp for root canal treatment.

Introduction to Root Canal Therapy

Root canal therapy is a more complex method of endodontic treatment. It uses many instruments and many steps, and requires multiple treatment steps and multiple X-rays to complete the entire process.

Complications of root canal therapy

During the treatment and for a period of time after the treatment, pain and other discomfort symptoms may occur, most of which are normal reactions, and can be revisited at the appointment time. If the pain is severe, accompanied by local swelling and systemic reactions, it should be promptly reviewed and further treated as appropriate.

Root Canal Therapy Is Risky

During root canal treatment, the doctor can only understand the root canal system based on X-rays or apex locators. In the case of complex root canals (bent, narrow, calcified obstruction, broken instruments, lateral penetration) or other special circumstances Root canal treatment becomes more difficult, special equipment and materials are required, and treatment time is increased accordingly.

In the treatment of complex root canals, device breakage may occur. It is not required to forcibly remove the broken device. The device can be left in the root canal for periodic review.

Precautions for root canal treatment

After root canal treatment, the body has a repair process that can be reviewed regularly to understand the healing of the tissue. Patients may experience uncomfortable teeth for quite some time. If the situation does not worsen gradually, you can take an observation method, but you should follow the doctor's order to review it in time.

Root canal therapy

There are a few cases of root canal therapy that are unsuccessful. It is indeed the case that conventional root canal therapy can not be treated or the treatment fails. Some cases can be continued by apical surgery, and some cases are treated by removal.

After root canal treatment and after treatment, the teeth are prone to split, which leads to tooth extraction. If the tooth defect is large, please follow the doctor's advice to perform crown repair in time. ^[1-2]