Root canal dental treatment is to treatment method and preserve a poorly harmed or inflammed teeth to be taken off. Rather the name "root canal" comes from the cleaning up the root canals of a tooth. Many years ago, root canal treatments were agonizing. With advance developments in dental and local anaesthetics, most persons have minimal or no discomfort with a root canal. In fact, it's almost certainly more hurtful to live with a corroded tooth.