Endodontics is a branch of a dentistry that studies root canal therapy. Endodontics treatment or canal treatent is a process of “to remove root canals, expansion of root canals, disinfecting and filling” process. Root canal treatment is applied when an irreversible inflammatory reaction has developed in root canals. In these teeth, large cavities usually have found in deep far. Except tooth decay development, as a result of mechenical or thermal trauma which comes to teeth, the similar table may happen or canal treatment may be needed.