Endodontics is a branch of dentistry which deals with the etiology, diagnosis, prevention, and treatment of diseases and injuries of the pulp and associated periradicular condition.The past couple of decades have witnessed one of the most rapid and extensive technological evolutions in contemporary endodontics.These technological advances are segregated into 5 categories:sterilization, endodontic imaging, root canal preparation, root canal filling and surgery.These advances improve the art and science of root canal treatment.