Mineral trioxide aggregate as material of choice in endodontic therapy

Abstract

Mineral trioxide aggregate (MTA) is a material with broad indications in endodontics. Currently, this material is used for pulp capping, pulpotomy, as apical barrier in teeth with necrotic pulp and open apex, and in the treatment of various root canal perforations. By comparing the biological response of pulp tissue capped with calcium hydroxide and MTA, the superiority of MTA has been indicated. The bridge of hard tissue formed under MTA prevented the irritation of pulp. Histological studies of pulpotomy in dog teeth have shown after 120 days a hard tissue without necrosis formed under MTA. MTA is also the material of choice for retrograde root canal obturation and lateral perforation. Meta analysis of published papers on MTA in recent years indicated the great clinical success of this material which ensured a good canal seal and superior biocompatibility. It is the only material for retrograde root canal obturation that encourages tissue regeneration. Studies have also shown that MTA has inductive and conductive properties for hard tissue as well as the ability to release ions in a liquid medium. The main disadvantage of MTA is related to its color, the presence of iron and mangan ions, the difficulties in maintaining the characteristics of material during time, absence of solvent for this material and the difficulty for its removal after crosslinking

Morphological and Chemical Analysis of Different Types of Calcium Silicate-Based Cements

“…MTA was considered the first patented hydraulic calcium silicate-based cement (CSC) for endodontic use [ 2 ]. It has been used for treating a variety of root canal perforations, apexification, pulpotomy, and the treatment of the vital pulp (pulp capping) [ 3 , 4 ]. A 10-year follow-up study performed by Daniele [ 5 ] revealed that MTA can be effectively used to treat the exposed pulp by direct pulp capping with a 92.5% success rate.…”

Use of mineral trioxide aggregate in the treatment of traumatized teeth in children: Two case reports

“…MTA is a mixture of Portland cement (3 CaO·SiO 2 and 2 CaO·SiO 2 ) and bismuth oxide and contains trace amounts of CaO, SiO, MgO, K 2 SO 4 and Na 2 SO 4 6 . MTA is a mixture of Portland cement (3 CaO·SiO 2 and 2 CaO·SiO 2 ) and bismuth oxide and contains trace amounts of CaO, SiO, MgO, K 2 SO 4 and Na 2 SO 4 6 .…”

“…Mineral trioxide aggregate (MTA) has been used in paediatric dentistry as a pulp capping agent in young permanent teeth, as a pulpotomy medicament in primary and permanent teeth, as an apical barrier in immature non-vital teeth, in the coronal fragment of fractured roots, and as a repair material for perforation and resorptive defects 6,7 .…”

Brushite cement containing gelatin: evaluation of mechanical strength and in vitro degradation

“…Brushite cement with a formulation based on H 3 PO 4 and β-tricalcium phosphate (β-TCP) presents some advantages, such as lower cost, faster preparation, better control of chemical composition and reactivity and improved physical and chemical properties [12]. Notwithstanding, their short setting time and low mechanical properties may limit their clinical application [7].…”