Mechanisms of degradation of the hybrid layer in adhesive dentistry and therapeutic agents to improve bond durability—A literature review

Nov 23, 2017 by in Dental Materials Comments Off on Mechanisms of degradation of the hybrid layer in adhesive dentistry and therapeutic agents to improve bond durability—A literature review

Highlights • Processes responsible for the degradation of resin-bonded interfaces are described. • Durability of the resin–dentin bond strength may be improved by inhibiting intrinsic collagenolytic activity. • Cross-linking agents…

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Influence of different etching modes on bond strength and fatigue strength to dentin using universal adhesive systems

Nov 23, 2017 by in Dental Materials Comments Off on Influence of different etching modes on bond strength and fatigue strength to dentin using universal adhesive systems

Abstract Objectives The purpose of this study was to determine the dentin bonding ability of three new universal adhesive systems under different etching modes using fatigue testing. Method Prime &…

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Novel self-healing dental resin with microcapsules of polymerizable triethylene glycol dimethacrylate and N, N-dihydroxyethyl- p-toluidine

Nov 23, 2017 by in Dental Materials Comments Off on Novel self-healing dental resin with microcapsules of polymerizable triethylene glycol dimethacrylate and N, N-dihydroxyethyl- p-toluidine

Graphical abstract Highlights • Bulk fracture is a primary reason for resin-based dental restoration failures. • Self-healing resin contained microcapsules with TEGDMA-DHEPT healing liquid. • A self-healing efficiency of 65%…

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Confocal laser scanning microscopy and area-scale analysis used to quantify enamel surface textural changes from citric acid demineralization and salivary remineralization in vitro

Nov 23, 2017 by in Dental Materials Comments Off on Confocal laser scanning microscopy and area-scale analysis used to quantify enamel surface textural changes from citric acid demineralization and salivary remineralization in vitro

Highlights • We characterize optical and mechanical properties of enamel surfaces during erosion and remineralization. • 3D imaging of enamel surfaces undergoing erosive wear requires instrumentation with lateral resolution significantly…

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Poly(propylene glycol) and urethane dimethacrylates improve conversion of dental composites and reveal complexity of cytocompatibility testing

Nov 23, 2017 by in Dental Materials Comments Off on Poly(propylene glycol) and urethane dimethacrylates improve conversion of dental composites and reveal complexity of cytocompatibility testing

Abstract Objectives To determine the effects of various monomers on conversion and cytocompatibility of dental composites and to improve these properties without detrimentally affecting mechanical properties, depth of cure and…

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Characterization of methacrylate-based composites containing thio-urethane oligomers

Nov 23, 2017 by in Dental Materials Comments Off on Characterization of methacrylate-based composites containing thio-urethane oligomers

Abstract Objective To evaluate the ability of thio-urethane oligomers to improve the properties of restorative composite resins. Methods Oligomers were synthesized by combining 1,6-hexanediol-diissocyante (aliphatic) with pentaerythritol tetra-3-mercaptopropionate (PETMP) or…

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A study to investigate and compare the physicomechanical properties of experimental and commercial temporary crown and bridge materials

Nov 23, 2017 by in Dental Materials Comments Off on A study to investigate and compare the physicomechanical properties of experimental and commercial temporary crown and bridge materials

Abstract Objectives To develop two experimental temporary crown and bridge materials with improved physicomechanical properties. Methods Commercial materials: Trim (TR, monomethacrylate, Bosworth) and Quicktemp2 (QT, dimethacrylate, Schottlander). Experimental materials: isobutyl…

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Effect of resin and photoinitiator on color, translucency and color stability of conventional and low-shrinkage model composites

Nov 23, 2017 by in Dental Materials Comments Off on Effect of resin and photoinitiator on color, translucency and color stability of conventional and low-shrinkage model composites

Highlights • Color and translucency of model composites were affected primarily by the type of monomer. • Color stability was greatly affected by monomer and to a lesser extent by…

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