Pulp necrosis and root canal treatment

Root canal therapy is appropriate disinfection by removing necrotic material within the root canal, root canal filling to remove the negative stimulus of the contents of the root canal apical surrounding tissue and prevent the occurrence of periapical lesions or promote periapical lesions heal a method of treatment. Pulp necrosis and chronic pulpitis, pulp and periodontal syndrome and systemic disease not suitable extraction and in need of treatment or suspension of retained teeth are indications of root canal therapy.

There are two ways in the implementation of the root canal therapy. Double or multiple method: first cavity preparation of opening the chamber to flush the canal dental instruments and removal of necrosis, gangrene of the pulp, expand the root canal, and again rinse clean root canal, enclosed disinfection drugs after sucking about 2 to 7 days; If there is no referral The obvious reaction, namely removal of the seal material, root canal filling; if obvious reaction can be re-enclosed disinfection drugs, the next root canal filling. The first method: The system open pulps, rinse, expand the root canal, root canal filling immediately, once completed.

In the treatment of much preservation of teeth, long-term efficacy of root canal therapy is the basis of post crown restoration. Therefore, the residual crown Four major factors that cause pulpitis and root tooth, root canal therapy is the only treatment of choice.

The process of pulp necrosis, root canal therapy, doctors completely remove the infected pulp and infected dentin and toxic decomposition products, root canal treatment-specific instruments by closely filling the root canal, isolated the bacteria into the root canal re-infection, to prevent periapical lesions or promote the healing of periapical disease.