HOW DO DENTISTS DO ROOT CANAL TREATMENT? A root canal treatment is removing the soft center of teeth named pulp. A root canal is a severe treatment associated with pain. The agony shouldn’t persist indefinitely. In truth, a root canal relieves pain associated with a decayed or cracked tooth. After a root canal, it’s common to suffer mild to moderate discomfort for a few days if your teeth get severe damage, but a root canal can save them. …