Root canal treatment is also known as root canal. When your teeth is about to be damaged or already damaged by tooth decay, the dentist may suggest you a root canal. What a dentist do while the procedure is to remove the pulp from the canter of a tooth and fill the pulp cavity. It is done in order to prevent the progression of a painful infection in the pulp. There is a chance that, it may spread to other teeth. It can also treat an infection that has developed into an abscessed tooth. Root canal treatment can decrease tooth pain, promote healing and stop infection. The root canal treatment is done through different steps. The first step is to make an opening through the back of a front tooth or the crown of a molar or pre-molar. After removing the infected pulp, the pulp chamber and root canals will also be removed and will reshape and enlarge it in order to prepare it for filling. A kind of material will be inserted into each of the canals and will seal into place with cement. The final step is to place a crown over the tooth in order to restore its natural appearance and shape. If treated properly, a restored teeth can last for the lifetime.