Dental Materials

Osteogenic properties of hydrophilic and hydrophobic titanium surfaces evaluated with osteoblast-like cells (MG63) in coculture with human umbilical vein endothelial cells (HUVEC)

Nov 30, 2017 by in Dental Materials Comments Off on Osteogenic properties of hydrophilic and hydrophobic titanium surfaces evaluated with osteoblast-like cells (MG63) in coculture with human umbilical vein endothelial cells (HUVEC)

Abstract Objectives Osteogenesis on titanium (Ti) surfaces is a complex process involving cell–substrate and cell–cell interaction of osteoblasts and endothelial cells. The aim of this study was to investigate the…

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Non-destructive three-dimensional evaluation of pores at different welded joints and their effects on joints strength

Nov 30, 2017 by in Dental Materials Comments Off on Non-destructive three-dimensional evaluation of pores at different welded joints and their effects on joints strength

Abstract Objectives The purpose of this study was to measure the porosity in different laser welded cast alloys non-destructively using X-ray micro-focus computerized tomography (micro-CT) and to evaluate the effect…

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Fracture toughness of two dentin adhesives

Nov 30, 2017 by in Dental Materials Comments Off on Fracture toughness of two dentin adhesives

Abstract Purpose Test the hypothesis that a self-etching adhesive is more likely to fail at the dentin-adhesive interface than an etch-and-rinse adhesive. Materials and methods Forty-eight composite-dentin short rod chevron-notched…

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Polymerization stress, shrinkage and elastic modulus of current low-shrinkage restorative composites

Nov 30, 2017 by in Dental Materials Comments Off on Polymerization stress, shrinkage and elastic modulus of current low-shrinkage restorative composites

Abstract Objective To compare currently available low-shrinkage composites with others regarding polymerization stress, volumetric shrinkage (total and post-gel), shrinkage rate and elastic modulus. Methods Seven BisGMA-based composites (Durafill/DU, Filtek Z250/FZ,…

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Expression of CYP450-2E1 and formation of 2,3-epoxymethacrylic acid (2,3-EMA) in human oral cells exposed to dental materials

Nov 30, 2017 by in Dental Materials Comments Off on Expression of CYP450-2E1 and formation of 2,3-epoxymethacrylic acid (2,3-EMA) in human oral cells exposed to dental materials

Abstract Objectives Methacrylate-based (co)monomers released from dental composites can be, metabolized in vivo to methacrylic acid (MA). MA can be further oxidized to the toxic 2,3-epoxymethacrylic acid (2,3-EMA) by cytochrome…

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