Abstract
Mineral trioxide aggregate (MTA), which was originally derived from Portland cement, has been developed as a material for perforation repair and root-end filling...
Highlights
Mineral trioxide aggregate (MTA), which was originally derived from Portland cement, has been developed as a material for perforation repair and root-end filling [1,2]
The statistical analysis of these findings indicated that Pro Root MTA (PMTA) had a significantly greater surface microhardness than Endo Sequence BC Root Repair Material Putty (ERRM) (P < .05), but there was no significant difference between the materials that contacted distilled water (DW), chlorhexidine gluconate (CHX) and 70% ethanol (Table1)
The degree of setting after 1 week was insufficient in PMTA and ERRM that had contacted with CHX, or in ERRM that had contacted with 70% ethanol
Summary
Mineral trioxide aggregate (MTA), which was originally derived from Portland cement, has been developed as a material for perforation repair and root-end filling [1,2]. Calcium silicatebased materials (CSMs), including MTA, are chemically stable materials with a high physical strength and alkaline pH that confer antimicrobial properties [3]. The physical properties of CSMs are influenced by their contact with blood during their setting. Another report of the push-out bond strength of simulated furcation perforation repair using PMTA or CEM (Bionique Dent, Tehran, Iran) showed decreased strength in cases of blood contamination compared to those without contamination [7]. Contact with blood during setting for PMTA, Ortho MTA (Bio MTA, Seoul, Korea) and Retro MTA (BioMTA, Seoul, Korea) has been further shown to adversely affect their surface microhardness [8]
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