Shear Bond Strength of a Chemical Resin Cement to Five Adhesive Systems in Bovine Dentin

Abstract

ABSTRACT Aim This in vitro study evaluated the shear bond strength of a chemical resin cement to five adhesive systems in bovine dentin. Materials and methods One hundred and three bovine teeth were divided into five experimental groups (n = 19) and two control groups (n = 4). A flat dentin surface was exposed on each tooth after wet grinding the buccal enamel, in order to apply the adhesive systems (Adper Single Bond, Adper Scotchbond Multi-Purpose, Multi Bond Uno plus Duo, One Step, Prompt L-Pop) to 95 teeth, according to manufacture's instructions. Four teeth were etched with phosphoric acid (negative control) and four teeth were no etched with phosphoric acid (positive control). Light-cured composite blocks were sandblasted before the cementation with C&B Cement (Bisco) over the treated dentin. The specimens were stored in distilled water at 37°C and submitted to the shear bond strength test after 7 days. Results ANOVA and Tukey tests (p = 0.05) demonstrated that Adper Single Bond (7.47 ± 4.37), Adper Scotchbond Multi-Purpose (6.68 ± 5.11) and One Step (7.30 ± 4.29) presented the highest bond strength values. Prompt L-Pop (0.05 ± 0.17) and Multi Bond Uno plus Duo (0.72 ± 1.41) presented the lowest significant bond strength values. Conclusion The shear bond strength of composite resin cylinders cemented with chemically activated resin cement depends on the adhesive system used. Clinical significance Fourth and fifth generation light polymerized bonding systems are indicated when self-polymerizing cements are used. How to cite this article Kubo CH, Caneppele TMF, da Silva EG, Huhtala MFRL, Torres CRG, Pagani C, Gomes APM. Shear Bond Strength of a Chemical Resin Cement to Five Adhesive Systems in Bovine Dentin. World J Dent 2012;3(2):150-155.