Abstract
BackgroundThe apexification is the first alternative treatment on a permanent tooth when, after a tooth trauma and in the presence of immature apex trauma, pulp necrosis occurs. Many studies have demonstrated the efficacy of mineral trioxide aggregate (MTA) as apical sealing material of choice in these cases, but has a degree of filtration as all other materials. The objective of this study was to analyze the seal ability of MTA on the duct walls in immature teeth unirradicular apexes, using indirect vibration.Material and MethodsThe study was conducted on 45 teeth divided into 3 groups: Group A or control group in which no vibration for placing the MTA was used, Group B and C or groups where indirect vibration analysis was used. All samples were immersed in methylene blue to assess filtration. After performing longitudinal cuts millimetric measuring were made of the degree of filtration, divided into 3 degrees (2mm each grade filtration).ResultsResults obtained confirm our hypothesis, obtaining lesser degree of filtration those groups in which indirect vibration (Groups B and C) was performed. It was shown that the degree of filtration is closely linked to the degree of adaptation.ConclusionsMTA vibration offers better results in its adaptation to the canal walls, significantly reducing the degree of filtration. Key words:Apexification, MTA, filtration, indirect vibration.
Highlights
According to the AAE (American Association of Endodontics), the apexification is a method that induces the formation of a calcified barrier in a permanent tooth with open apex and necrotic pulp
Despite the successes achieved with calcium hydroxide, technical apexification with this material has several disadvantages such as multiple appointments necessary over a long period of time, the e318
The mineral trioxide aggregate (MTA) has demonstrated good biocompatibility with excellent sealed by their good marginal adaptation that reduces bacteria microfiltration
Summary
According to the AAE (American Association of Endodontics), the apexification is a method that induces the formation of a calcified barrier in a permanent tooth with open apex and necrotic pulp. Torabinejad M. describes the first case apexification with a type of material, called MTA (Mineral Trioxide Aggregate) [4]. The objective of this study was to assess “in vitro” degree of filtration of MTA in the walls of canals in unirradiculars permanent teeth with immature apices, when placed using indirect vibration against the conventional manner. Many studies have demonstrated the efficacy of mineral trioxide aggregate (MTA) as apical sealing material of choice in these cases, but has a degree of filtration as all other materials. The objective of this study was to analyze the seal ability of MTA on the duct walls in immature teeth unirradicular apexes, using indirect vibration. Conclusions: MTA vibration offers better results in its adaptation to the canal walls, significantly reducing the degree of filtration
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