Valandro, Luiz FelipeAndreatta Filho, Osvaldo Daniel [UNESP]Valera, Márcia Carneiro [UNESP]Maximo de Araujo, Maria Amélia [UNESP]2014-05-272014-05-272005-12-01Journal of Adhesive Dentistry, v. 7, n. 4, p. 331-336, 2005.1461-5185http://hdl.handle.net/11449/68662Purpose: To evaluate the pullout strength of a glass fiber-reinforced composite post (glass FRC) cemented with three different adhesive systems and one resin cement. The null hypothesis was that pullout strengths yielded by the adhesive systems are similar. Materials and Methods: Thirty bovine teeth were selected. The size of the specimens was standardized at 16 mm by sectioning off the coronal portion and part of the root. The specimens were divided into three groups, according to the adhesive system, which were applied following the manufacturers' instructions: G1, ScotchBond Multi-Purpose Plus; G2, Single Bond; G3, Tyrian SPE/One-Step Plus. The glass FRCs (Reforpost) were etched with 37% H3PO4 for 1 min and silanized (Porcelain Primer). Thereafter, they were cemented with the dual resin cement En-Force. The specimens were stored for 24 h, attached to an adapted device, and submitted to the pullout test in a universal testing machine (1 mm/min). The data were submitted to the one-way ANOVA and Tukey's test (α = 0.05). Results: G1 (30.2 ± 5.8 Kgf) displayed the highest pullout strength (p < 0.001) when compared to G2 (18.6 ± 5.8 Kgf) and G3 (14.3 ± 5.8 Kgf), which were statistically similar. Analysis of the specimens revealed that all failures occurred between the adhesive system and the root dentin (pullout of the post cement), regardless of group. Conclusion: The multiple-bottle, total-etch adhesive system provided higher pullout strength of the glass FRC when compared to the single-bottle, total-etch, and single-step self-etching adhesive systems. The null hypothesis was rejected (p < 0.001).331-336engAdhesive systemsBovine teethFiber postPullout strengthbisphenol A bis(2 hydroxypropyl) ether dimethacrylatedentin bonding agentEnForce Sure CureEnForce-Sure Cureglassglass fiberONE STEP PLUSONE-STEP PLUSphosphoric acidresinresin cementScotchbond Multi Purpose PlusScotchbond Multi-Purpose Plussilane derivativesingle bondtooth cementTyrian SPEanimalcattlechemistrydental acid etchingdental bondingdental caredentininstrumentationmechanical stresstooth crowntooth pulpultrastructureAcid Etching, DentalAnimalsBisphenol A-Glycidyl MethacrylateCattleComposite ResinsDental BondingDental CementsDental Pulp CavityDental Stress AnalysisDentinDentin-Bonding AgentsGlassPhosphoric AcidsPost and Core TechniqueResin CementsSilanesStress, MechanicalArtigoWOS:000234119700010Acesso restrito2-s2.0-301444342788125795979170918