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vol.19 número2Effect of Different Silane Treatments on Long-Term Bonding Between Non-Etched Glass-Ceramic and Resin CementEffect of Surface Treatment on the Bond Strength of Quartz Fiber-Reinforced Resin Posts to Resin Cements: In Vitro Study índice de autoresíndice de assuntospesquisa de artigos
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Odovtos International Journal of Dental Sciences

versão On-line ISSN 2215-3411versão impressa ISSN 1659-1046


ROSS, Daphne; FILLOY ESNA, Carlos E.  e  RAMIREZ-BARRANTES, Juan Carlos. Resistance to Dislodgement of REBILDA® Post System to Intraradicular Dentin. Odovtos [online]. 2017, vol.19, n.2, pp.47-59. ISSN 2215-3411.

Currently there is controversy in the literature about clinical and adhesive effectiveness with respect to adhesive systems aimed to root reinforcement. Thus, the objective of this study was to evaluate the Push-Out bond strength between the Rebilda® post system and the intraradicular dentine. Thus, 28 unirradicular teeth were used, cut and standardized in 16 mm. The root segments were submitted to endodontic treatment; and then randomly divided into two groups, Group 1 (n = 14): Rebilda® DC + Futurabond DC; Group 2 (n = 14): RelyX ARC + Adper Scothbond Multipurpose Plus. Ten specimens from each group were submitted to the Push-Out Test. The remaining 4 specimens from each group were prepared for Scanning Electron Microscopy (SEM) in order to evaluate the formation of resinous extensions at the post-cement-dentin interface. Group 2 showed better results when compared to Group 1 regarding bond strength and in formation of resinous extensions or tags, but there was no statistically significant difference (p>0.05). It was concluded that the REBILDA® Post System promotes adequate bond strength to intraradicular dentin.

Palavras-chave : Intraradicular dentin; Push-out bond strength; Resin cement; Scanning electron microscope.

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