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Avances en Odontoestomatología

versão impressa ISSN 0213-1285

Resumo

ROMERO ROMERO, G.E.; RAMOS MANOTAS, J.  e  DIAZ CABALLERO, A.. In vitro comparison of the MTA microlakage ProRoot apical and Angelus in teeth single-rooted. Av Odontoestomatol [online]. 2012, vol.28, n.3, pp.125-131. ISSN 0213-1285.

Background: One of the challenges in endodontics is root canal filling with open and wide apex, which allowing it to seal, preventing microleakage and the output of the filling material into periapical tissues, therefore currently used materials such as Mineral trioxide aggregate (MTA) to provide an apical stop to ensure the sealing of the root canal to avoid bacterial contamination. Objectives: To compare the in vitro apical microleakage of MTA in two trading houses with and without calcium hydroxide in teeth with apical single-rooted wide. Materials and methods: For this study 80 extracted human teeth were used single-rooted divided into 4 groups, MTA "ProRoot" with and without calcium hydroxide and MTA Angelus with and without calcium hydroxide, immersed in a buffer substance and simulating periapical subsequently made with India ink staining and evaluation of microleakage through diafanación process. Results: In the study all groups showed some degree of microleakage, the most frequent being filled teeth with MTA Angelus without calcium hydroxide and the least presented were filled with MTA ProRoot without calcium hydroxide. Conclusions: Both the MTA and the MTA Angelus ProRoot can be used as apical barrier without the use of calcium hydroxide, however it is necessary to refine the techniques and procedures in future studies to clinical decision making.

Palavras-chave : Mineral Trioxide Aggregate (MTA); leakage; calcium hydroxide.

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