Artículos de revistas
Effect Of Long-term Water Storage On Etch-and-rinse And Self-etching Resin-dentin Bond Strengths
Registro en:
General Dentistry. , v. 56, n. 4, p. 372 - 377, 2008.
3636771
2-s2.0-53049098767
Autor
Erhardt M.C.G.
Shinohara M.S.
Bedran-Russo A.K.B.
Amaral C.M.
Pimenta L.A.F.
Institución
Resumen
This study sought to evaluate the long-term bond strength of etch-and-rinse and self-etch adhesive systems to dentin after one year of water storage. Crown fragments from the buccal surface of extracted bovine incisors were ground flat to expose dentin surfaces. Four etch-and-rinse and two self-etch bonding agents were used according to manufacturers' instructions. Bonded specimens were stored in water for either 24 hours or one year at 37°C. After elapsed storage times, specimens were tested for shear bond strength (SBS) at 0.5 mm/min. Data were analyzed by ANOVA and Tukey's tests (p < 0.05). Both evaluated factors (adhesive system and storage time) and their interactions were statistically significant. Single Bond produced the highest SBS regardless of the water degradation period. One-year water storage reduced the SBS of Prime & Bond NT and One-Dp Bond F significantly; the other adhesives performed similarly. 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