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An experimental material, mineral trioxide aggregate (MTA) was developed in Loma Linda University. It is a mixture of portland cement and bismuth oxide mainly. MTA has numerous applications in filed of endodontics and restorative dentistry such as perforation repair,root end filling material,pulp capping agent n obturating material, apexification. Several in vitro and in vivo studies have shown that MTA prevents microleakage, is biocompatible, and promotes regeneration of the original tissues when it is placed in contact with the dental pulp or periradicular tissues. Author Information Raj Kumar BDS, MDS earned his MDS (Conservative Dentistry) from Rajiv Gandhi University of Health Sciences Bangalore, India. He worked as senior lecturer in the Department of Conservative Dentistry and Endodontics at Darshan Dental College, Udaipur, India and as Assistant Professor at Guru Nanak Dev Dental College Sunam, India.
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