An update on the use of MTA in endodontics

Mineral trioxide aggregate, MTA, is a cement material based on Portland cement with added bismuth oxide to confer radiopacity. It is now widely is used for a variety of applications in endodontic, including root-filling and sealing. It is biocompatible in contact with human hard tissues and promotes both osteogenesis and cementogenesis at the root tip. MTA has good physical properties, and provides a durable seal for endodontically treated teeth. The setting reaction, based on hydration chemistry, is described and the biological properties of MTA are also covered. The review concludes that MTA is a useful and versatile endodontic material which gives good clinical outcomes.