RESUMEN
History of Dental diseases and treatment is as old as history of mankind. Dentists are continously making efforts for the preservation of teeth and their supporting structures. Endodontics is one of the disciplines of dentistry aiming at it. Endodontics aims at removal of pain and infection by extirpation, proper obturation and maintenance of seal play a vital role in any root canal therapy. It is therefore imperative to understand the various materiais employed in root canal obturation. Studies have also been carried out to check the sealing properties of gutta-percha or silver points used without sealer. All the researchers agree that the use of a sealer is essential for effective canal obturation. Cement has been used as sealers satisfactorily for many years because of its goon handling and sealing properties and spatulated material prevent the seating ability of points at correct level during insertion. To fullfill all the ideal properties, many sealers are available to-day. Review on the properties of currently available sealers is a need to chose for the ideal sealer material for successful endodontic therapy. The researchers and clinicians are still searching for the material which fulfil all the requirements of a good endodontic sealers