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Revista de Odontologia da UNESP

versão On-line ISSN 1807-2577

Resumo

CAMILOTTI, Veridiana et al. Evaluation of influence of irrigation solution in strength adhesive of a resin cement. Rev. odontol. UNESP [online]. 2013, vol.42, n.2, pp.83-88. ISSN 1807-2577.  https://doi.org/10.1590/S1807-25772013000200003.

INTRODUCTION: The contamination of dentin can interfere with the quality of union between adhesives and tooth. OBJECTIVE: Was to investigate the influence of different irrigation solutions on bond strength of a resin cement. MATERIAL AND METHOD: Were selected 40 dental bovine crowns divided into four groups: G0= physiologic serum, G1= chlorhexidine, G2= EDTA, G3= 0.12% chlorhexidine after acid etching. Then the cylinders were fabricated resin cement using a matrix of Tygon with an internal diameter of 1mm and 2mm in height. The polymerization was carried out by LED light unit with 900 mW/cm2 for 40 seconds. 4 cylinders were made of resin cement for each bovine crown, totaling 40 body-of-proof resin cement for each group evaluated. The test microshear bond strength was performed after 24 hours. After this period, the resin cement cylinders were tested in a universal testing machine (EMIC). Data were statistically analyzed by ANOVA and Tukey (p = 0.001). RESULT: There were no statistically significant differences between groups, except for the G3 which showed significantly lower values of bond strength. CONCLUSION: The different irrigating solutions used prior to etching dentin not interfere in the bond strength microshear.

Palavras-chave : Detergents; shear strength; dental cements.

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