Abstract
Introduction. Good physicochemical properties of endodontic materials are one of the main preconditions for successful endodontic treatment. Modern endodontic materials are expected to have good adhesiveness, stability and low solubility in order to enable high-quality and permanent obturation of the root canal. The aim of this study was to test in vitro the stability and degree of solubility of two endodontic materials: Mineral Trioxide Aggregate (MTA) and Gutta Flow. Materials and methods. The solubility of endodontic materials Mineral Trioxide Aggregate - MTA (Angelus) and Gutta Flow (Colthane) was tested by the aging method using artificial saliva according to the prescription of Ira and Shannon. Twelve samples of single-rooted teeth (6 MTA, 6 Gutta Flow) were used. The samples were analyzed after 7, 14, 21, 28 and 35 days. After obturation, the samples were longitudinally cut and filled with auto-polymerizing acrylate and stored in artificial saliva at a temperature of 37? ?} 2? C. Results. The results of the analysis of the longitudinal sections of the roots through MTA and Gutta Flow showed the absence of damage to both endodontic materials after 14 days of exposure to the artificial saliva. The appearance of the first morphological damage, as well as the weakening of the bonding with dentin wall, were observed on the 21st day with Gutta Flow, and on the 28th day with MTA from the beginning of the experiment. After a period of 35 days, both materials showed increased porosity, solubility and breaking of the bond with dentin wall of the root canal. Conclusion. Based on the obtained results, it can be concluded that MTA showed lower solubility and better adhesiveness with dentin wall of the tooth root canal than Gutta Flow.
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