Root canal treatment, which is usually completed in two sessions, eliminates the pain that the patient is uncomfortable with. This process, which starts with numbing the tooth and surrounding tissues, is completed within 45 minutes on average. Root canal treatment, which refers to the removal of the infected core or damaged area of the tooth and re-filling after disinfecting the tooth, deeply affects the comfort of life. The pulp layer, which can be considered as a soft core, extends to the root tip of the teeth. There are connective tissue, blood vessels and nerves in the pulp. Bacteria multiply in the pulp, which can crack after any impact or when a deep decay occurs. If the discomfort is left untreated, the bacteria can cause a significant infection in the area or cause a tooth abscess. The death of the pulp can result in tooth loss or bone loss. Therefore, if you have pain in your tooth, you should consult your dentist as soon as possible. Root canal treatment to save the tooth is characterised by darkened gums, deep caries, reflected toothache, swelling of the gums, cracked teeth, pimple-like sores on the gums, pain when chewing or biting, and persistent sensitivity, especially to hot and cold.