Methacrylate- and silorane-based composite restorations: Hardness, depth of cure and interfacial gap formation as a function of the energy dose

Nov 28, 2017 by in Dental Materials Comments Off on Methacrylate- and silorane-based composite restorations: Hardness, depth of cure and interfacial gap formation as a function of the energy dose

Abstract Objectives To investigate the influence of the energy dose on the hardness, polymerization depth, and internal adaptation of silorane and methacrylate-based posterior composites in Class II restorations with different…

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Effect of post-polymerization heat-treatments on degree of conversion, leaching residual MMA and in vitrocytotoxicity of autopolymerizing acrylic repair resin

Nov 28, 2017 by in Dental Materials Comments Off on Effect of post-polymerization heat-treatments on degree of conversion, leaching residual MMA and in vitrocytotoxicity of autopolymerizing acrylic repair resin

Abstract Objectives This study evaluated the effect of post-polymerization heat-treatments on degree of conversion (DC), residual methyl methacrylate concentration (MMA r ) and in vitro cytotoxicity of autopolymerizing acrylic repair…

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Pressed ceramics onto zirconia. Part 2: Indentation fracture and influence of cooling rate on residual stresses

Nov 28, 2017 by in Dental Materials Comments Off on Pressed ceramics onto zirconia. Part 2: Indentation fracture and influence of cooling rate on residual stresses

Abstract Objectives The aim of this study was to evaluate the fracture toughness and surface residual stresses present in various pressable ceramics to zirconia resulting from cooling induced temperature gradients….

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Evaluation of resin composite polymerization by three dimensional micro-CT imaging and nanoindentation

Nov 28, 2017 by in Dental Materials Comments Off on Evaluation of resin composite polymerization by three dimensional micro-CT imaging and nanoindentation

Abstract Objectives Light-cured composites undergo shrinkage during polymerization. The aim of this study was to evaluate regional shrinkage within a light-cured composite during polymerization by microcomputed tomography and mechanical properties…

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