Control of polymerization shrinkage and stress in nanogel-modified monomer and composite materials

Nov 28, 2017 by in Dental Materials Comments Off on Control of polymerization shrinkage and stress in nanogel-modified monomer and composite materials

Abstract Objectives This study demonstrates the effects of nano-scale prepolymer particles as additives to model dental monomer and composite formulations. Methods Discrete nanogel particles were prepared by solution photopolymerization of…

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Piston-on-three-ball versus piston-on-ring in evaluating the biaxial strength of dental ceramics

Nov 28, 2017 by in Dental Materials Comments Off on Piston-on-three-ball versus piston-on-ring in evaluating the biaxial strength of dental ceramics

Abstract Objectives Piston-on-three-ball tests have been selected by the International Organization for Standardization to establish ISO 6872 for the evaluation of the biaxial strength of dentistry–ceramic materials. However, the formula…

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Effects of HEMA and TEDGMA on the in vitroodontogenic differentiation potential of human pulp stem/progenitor cells derived from deciduous teeth

Nov 28, 2017 by in Dental Materials Comments Off on Effects of HEMA and TEDGMA on the in vitroodontogenic differentiation potential of human pulp stem/progenitor cells derived from deciduous teeth

Abstract Objectives The aim of this study was to investigate the effects of HEMA and TEGDMA on the odontogenic differentiation potential of dental pulp stem/progenitor cells. Methods Dental stem/progenitor cell…

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Resin–dentin bonds to EDTA-treated vs. acid-etched dentin using ethanol wet-bonding. Part II: Effects of mechanical cycling load on microtensile bond strengths

Nov 28, 2017 by in Dental Materials Comments Off on Resin–dentin bonds to EDTA-treated vs. acid-etched dentin using ethanol wet-bonding. Part II: Effects of mechanical cycling load on microtensile bond strengths

Abstract Objective To compare microtensile bond strengths (MTBS) subsequent to load cycling of resin bonded acid-etched or EDTA-treated dentin using a modified ethanol wet-bonding technique. Methods Flat dentin surfaces were…

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Micro-tensile bond strength and interfacial characterization of an adhesive bonded to dentin prepared by contemporary caries-excavation techniques

Nov 28, 2017 by in Dental Materials Comments Off on Micro-tensile bond strength and interfacial characterization of an adhesive bonded to dentin prepared by contemporary caries-excavation techniques

Abstract Objectives To evaluate the micro-tensile bond strength (μTBS) and interfacial characteristics of adhesive–dentin bonds produced after caries-removal with contemporary techniques. Methods Carious molars were cut at the base of…

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The influence of poly(acrylic) acid number average molecular weight and concentration in solution on the compressive fracture strength and modulus of a glass-ionomer restorative

Nov 28, 2017 by in Dental Materials Comments Off on The influence of poly(acrylic) acid number average molecular weight and concentration in solution on the compressive fracture strength and modulus of a glass-ionomer restorative

Abstract Objectives The aim was to investigate the influence of number average molecular weight and concentration of the poly(acrylic) acid (PAA) liquid constituent of a GI restorative on the compressive…

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A novel polymer infiltrated ceramic dental material

Nov 28, 2017 by in Dental Materials Comments Off on A novel polymer infiltrated ceramic dental material

Abstract Objectives To evaluate the mechanical behavior of a prototype porous ceramic interpenetrating polymer–ceramic material containing 15–20% polymer. Methods After sample preparation, elastic modulus, hardness, stress–strain relationship and indentation creep…

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