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Avances en Odontoestomatología

versión impresa ISSN 0213-1285


VALENZUELA ARANGUIZ, V.; ZAMORANO PINO, X.; WAGNER HITSCHFELD, S.  y  TAPIA SILVA, J.R.. Hybrid layer formation using metal post and fiber post into endodontically trated canal roots. Av Odontoestomatol [online]. 2010, vol.26, n.2, pp.97-105. ISSN 0213-1285.

The goal of this study was to evaluate the adhesive effectiveness attained in root canals endodontically treated with a scanning electronic microscope (SEM). We used two adhesive systems (Single Bond and Prime&Bond NT + Self Cure Activator) and two post systems (fiberglass and metallic). The main objective was to evaluate the hybrid layer and resin tag formation inside each root canal. Twelve teeth were used, which were prepared for receiving the post. The teeth were divided into two groups of 6 pieces each. Each group received one type of post. In turn, each group was subdivided in two (a total of 4), receiving different adhesives, the cementation resin RelyX ARC and the corresponding post. The samples were cut longitudinally and prepared to be scrutinized with the microscope. The results showed that the adhesion inside the canal roots was not reliable. No difference regarding the thickness of the hybrid layer was shown between the groups. We concluded that the quality of the hybrid layer and the resin tags built inside the teeth, utilizing both post and differents adhesive systems, was not satisfactory.

Palabras clave : Adhesion; Hibryd layer; canal roots; fiber post; metallic post.

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