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  • Title: Influence of chemical irrigants on the tensile bond strength of an adhesive system used to cement glass fiber posts to root dentin.
    Author: Pelegrine RA, De Martin AS, Cunha RS, Pelegrine AA, da Silveira Bueno CE.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2010 Nov; 110(5):e73-6. PubMed ID: 20813561.
    Abstract:
    OBJECTIVE: The aim of this study was to evaluate the influence of endodontic irrigants on the tensile bond strength of an adhesive system used to cement glass fiber posts to dentin. STUDY DESIGN: Fifty bovine roots were divided into 5 groups according to the solution used during instrumentation: G1, 0.9% NaCl (control); G2, 1.0% NaOCl; G3, 2.5% NaOCl; G4, 5.25% NaOCl; G5, 2% chlorhexidine gel + 0.9% NaCl. The root canals were obturated with gutta-percha and AH Plus sealer, and the glass fiber posts were cemented with Clearfil SE Bond/RelyX ARC. The specimens were submitted to tensile strength testing and the results were analyzed by analysis of variance. RESULTS: There were no statistically significant differences regarding the irrigant solution factor (P > .70). CONCLUSION: It was concluded that the different irrigant solutions did not affect the tensile bond strength of the fixation system used to cement the intraradicular glass fiber posts to dentin.
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