Relationship between mechanical properties and bond durability of short fiber‐reinforced resin composite with universal adhesive

Abstract

The purpose of this study was to determine the relationship between mechanical properties and bond durability of short fiber‐reinforced resin composite with universal adhesive. As controls, micro‐hybrid and nano‐hybrid resin composites were tested. The universal adhesives used were Scotchbond Universal, Adhese Universal, and G‐Premio Bond. The fracture toughness and flexural properties of resin composites, and shear bond strength and shear fatigue strength of universal adhesive with resin composite using both total‐etch and self‐etch modes were determined. In the results, short fiber‐reinforced resin composite showed significantly higher fracture toughness than did micro‐hybrid and nano‐hybrid resin composites. The flexural strength and modulus of short fiber‐reinforced and nano‐hybrid resin composites were significantly lower than were those of micro‐hybrid resin composites. Regardless of etching mode, the shear bond strength of universal adhesives with short fiber‐reinforced resin composite did not show any significant differences from micro‐hybrid and nano‐hybrid resin composites. The shear fatigue strength of universal adhesives with short fiber‐reinforced resin composite and micro‐hybrid resin composites were significantly higher than that of nano‐hybrid resin composites. The results of this study suggest that the mechanical properties of short fiber‐reinforced resin composite improve their bond durability with universal adhesive.

Depth of cure, flexural properties and volumetric shrinkage of low and high viscosity bulk-fill giomers and resin composites

“…The peak breaking stress and flexural modulus in GPa were determined from the stress-strain curve using a computer with custom software package (Bluehill 2 Ver. 2.5, Instron) linked directly to the testing machine 19) .…”

Effect of silane pretreatment on the immediate bonding of universal adhesives to computer‐aided design/computer‐aided manufacturing lithium disilicate glass ceramics

“…Therefore, the efficacy of silane constituents on the bonding of universal adhesives should be verified. Although several studies have reported the effectiveness of bonding of universal adhesives to zirconia , leucite‐reinforced glass ceramics , and short‐fibre‐reinforced composite resin bonding , few studies have been performed that analyse the efficacy of constituent silane in adhesives. Therefore, to understand the importance of silane, we selected CAD/CAM lithium disilicate glass ceramics and other kinds of universal adhesives as materials.…”

Effect of Different Liners on Fracture Resistance of Premolars Restored with Conventional and Short Fiber‐Reinforced Composite Resins

“…24,27 Furthermore, SFRC can absorb stresses and dissipate energy similar to dentin, 33 improving mechanical performance by preventing brittle failure and preserving structural integrity. 34 The combination of SFRC with an efficient adhesive system could contribute to the high performance obtained in the current study. A two-step etch-and-rinse adhesive was used for two types of composite resins used in this study.…”

“…These fibers could provide an isotropic reinforcing effect because each fiber behaves as a crack stopper and stress transfer from the polymer matrix to stronger fibers . Furthermore, SFRC can absorb stresses and dissipate energy similar to dentin, improving mechanical performance by preventing brittle failure and preserving structural integrity . The combination of SFRC with an efficient adhesive system could contribute to the high performance obtained in the current study.…”