Root Canal Treatment is needed when bacteria infect the pulp of the tooth and it becomes inflamed. This is caused by bacteria entering through decay, cracks in the teeth and when fillings start to fail. Even trauma to the teeth can result in Root Canal Treatment being needed. In certain circumstances it can also be done as a preventative treatment. Symptoms include sensitivity to hot and cold, tenderness on biting and sometimes swelling although sometimes there are no symptoms at all.
The canals need to be cleaned and the bacteria removed using special files. A root filling is placed to ensure infection does not return. The tooth is then restored. If the root is not cleaned the infection will become worse and you could end up losing the tooth.
Sometimes antibiotics are prescribed to help calm down the infection before treatment. Antibiotics will not resolve the problem. Only Root Canal Treatment will do this.