Litty Varghese, Mithra N Hegde, Aditya Shetty, and Chitharanjan Shetty
The main aim of an ideal retrograde filling material is to seal the pathways of communication between surrounding tissues and the root canal system , hence mineral trioxide aggregate (MTA ) which is a biocompatible and a nontoxic material was developed for dentistry. This material allows normal healing response due to the formation of new cementum and bone. Calcium and phosphorus are the main ions dectected under the electron probe micro analysis of the MTA powder . A review of literatures will be discussed in this article regarding the history, composition, mechanism of action, and various aspects of its clinical considerations.