Clinician should choose a path of treatment that will result in best possible cleaning & shaping of the root canal system, coupled with an obturation technique that will provide a 3-D seal, apically, laterally, and coronally within the confines of the root canal system. We have progressed in endodontic obturation to realize that the sealer is the key to obtaining a true fluid tight seal.The challenge, more specifically, has been to find a sealer that would simultaneously bond to the canal wall as well as to the gutta-percha cone or a similar core material. Endodontic science has realized that...