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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Measure of microhardness, fracture toughness and flexural strength of N-vinylcaprolactam (NVC)-containing glass-ionomer dental cements

Nov 30, 2017 by in Dental Materials Comments Off on Measure of microhardness, fracture toughness and flexural strength of N-vinylcaprolactam (NVC)-containing glass-ionomer dental cements

Abstract Objectives To investigate the effects of N-vinylcaprolactam (NVC)-containing terpolymers on the fracture toughness, microhardness, and flexural strength of conventional glass-ionomer cements (GIC). Methods The terpolymer of acrylic acid (AA)–itaconic…

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Deproteinized bovine bone in periodontal and implant surgery

Nov 28, 2017 by in Dental Materials Comments Off on Deproteinized bovine bone in periodontal and implant surgery

Abstract Objectives To review the histological and clinical outcomes of deproteinized bovine bone in different procedures: periodontal regeneration, socket preservation, peri-implant reconstruction and alveolar bone augmentation. Methods Histological animal studies…

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