Propiedades y Usos en Odontopediatria del MTA (Agregado de Trióxido Mineral)
The MTA is a material developed for endodontics. It is derived from Portland cement (hydraulic cement sets and hardens by reacting with the water forming a body strong and durable, used in architecture and construction). The MTA was developed and first reported for use in dentistry in 1993 by Lee, Torabinejad et al (Chaple y col, 2007). The main use of MTA occurs in the pulp treatment of vital teeth (pulpotomy, direct pulp capping), apexification treatment (apical barrier), endodontic surgery, repair of furca and side perforations, and those caused by the reabsorptions. The MTA promotes formation of bone and cement facilitating the regeneration of the periodontal ligament. This article explains the composition, chemical and physical properties, action mechanism, handling, preparation, advantages and disadvantages of the MTA in temporary teeth pulpotherapy as a substitute for formocresol in clinical treatments performed according to studies in the literature.
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