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CES Odontología
versão impressa ISSN 0120-971X
Resumo
VARGAS-BARRETO, Alfredo et al. Characterization of hybrid layer intraradicular dentin pretreated with sodium hypochlorite 5.25% using two cementing agents with auto adhesives and conventional engraving. CES odontol. [online]. 2018, vol.31, n.1, pp.11-21. ISSN 0120-971X. https://doi.org/10.21615/cesodon.31.1.2.
Introduction and objective:
At present, the rehabilitation of endodontically treated teeth is a huge demand for professional in oral rehabilitation. For this reason, the need to identify and manage the core processes and biological determinants that influence a good process of dentinal adhesion. The aim of this study was to characterize the hybrid layer in dentin intraradicular pretreated with sodium hypochlorite (NaClO) 5.25 % using two cementing agents with self adhesive systems and conventional etching.
Materials and Methods:
40 single-rooted premolar teeth which were randomized into 4 groups were selected. Group A: dentin pretreated with 5.25% NaClO 5.25% and RelyX® Ultimate cemented with cement (3M). Group B: (control group A, without pretreated dentin). Group C: dentin pretreated with NaClO 5.25% and cemented with cement ParaCore® and group D: Control group, not pretreated of dentin. The teeth were transected and the presence of hybrid layer was analyzed in cervical thirds and root medium by scanning electron microscopy.
Results:
Statistically significant differences in the thickness of the hybrid layer of teeth pretreated with NaClO 5.25% met and bonded with paraCore® compared to cementated with RelyX® Ultimate value p = 0.023 Anova test.
Palavras-chave : cementing agents; oral rehabilitation; hybridized dentin pretreated layer.