What is root canal therapy?

Root canal therapy, also known as endodontic therapy, is a kind of surgery to treat pulp necrosis and root infection, through which teeth can be preserved. Teeth have a special structure. It is surrounded by hard enamel and dentin with a pulp cavity in the middle. When teeth are infected, pulp cavity often becomes a channel for bacterial infection. Oral bacteria pass through the pulp cavity, that is, the root canal, which refers to the root canal, and cross back and forth through the root canal and the bone tissue and periodontal ligament around the root, resulting in the outbreak of infection. Root canal therapy is to remove the infected pulp from the root canal, fill it, and isolate the passage of bacterial infection with disinfectant, so as to protect the teeth and make them continue to use. The process of root canal therapy. Generally speaking, X-rays should be taken first to determine the treatment plan; The second step: local anesthesia should be carried out to make root canal treatment painless, because it is necessary to drill teeth and take out rotten and necrotic tooth tissue; Step 3: open the pulp cavity and take out the necrotic pulp; Step 4: I want to enlarge the root canal with a root canal drill; Step 5, rinse the inside of the root canal with disinfectant, usually sodium hypochlorite solution; Step 6, filling the root canal with special root canal filling materials to ensure that the remaining teeth are in a sterile state for a long time; The last step: I want to fill a tooth defect or install a crown.