Comparison of the microstructure and phase stability of as-cast, CAD/CAM and powder metallurgy manufactured Co–Cr dental alloys

Nov 23, 2017 by in Dental Materials Comments Off on Comparison of the microstructure and phase stability of as-cast, CAD/CAM and powder metallurgy manufactured Co–Cr dental alloys

Highlights • Co–Cr alloys were produced from cast, CAD/CAM and powder metallurgy techniques. • Microstructure, crystal structure and chemical composition were analyzed. • Fcc phase stability was dramatically higher for…

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Analysis of long-term monomer elution from bulk-fill and conventional resin-composites using high performance liquid chromatography

Nov 23, 2017 by in Dental Materials Comments Off on Analysis of long-term monomer elution from bulk-fill and conventional resin-composites using high performance liquid chromatography

Abstract Objective The aim of this study was to assess monomer elution from bulk-fill and conventional resin-composites stored in different media using high performance liquid chromatography (HPLC) for up to…

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Direct restoration modalities of fractured central maxillary incisors: A multi-levels validated finite elements analysis with in vivo strain measurements

Nov 23, 2017 by in Dental Materials Comments Off on Direct restoration modalities of fractured central maxillary incisors: A multi-levels validated finite elements analysis with in vivo strain measurements

Abstract Objective To quantify the influence of fracture geometry and restorative materials rigidity on the stress intensity and distribution of restored fractured central maxillary incisors (CMI) with particular investigation of…

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Monomer conversion, microhardness, internal marginal adaptation, and shrinkage stress of bulk-fill resin composites

Nov 23, 2017 by in Dental Materials Comments Off on Monomer conversion, microhardness, internal marginal adaptation, and shrinkage stress of bulk-fill resin composites

Abstract Objective To evaluate degree of conversion (DC), Knoop microhardness (KHN), internal marginal adaptation (IA), and polymerization shrinkage stress (PS) of one conventional and four bulk-fill composites. Methods Bulk-fill composites…

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Effect of temperature and humidity on post-gel shrinkage, cusp deformation, bond strength and shrinkage stress – Construction of a chamber to simulate the oral environment

Nov 23, 2017 by in Dental Materials Comments Off on Effect of temperature and humidity on post-gel shrinkage, cusp deformation, bond strength and shrinkage stress – Construction of a chamber to simulate the oral environment

Abstract Objectives Evaluate the effect of environment on post-gel shrinkage (Shr), cuspal strains (CS), microtensile bond strength (μTBS), elastic modulus ( E ) and shrinkage stress in molars with large…

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Cytotoxicity and osteogenic potential of silicate calcium cements as potential protective materials for pulpal revascularization

Nov 23, 2017 by in Dental Materials Comments Off on Cytotoxicity and osteogenic potential of silicate calcium cements as potential protective materials for pulpal revascularization

Abstract Objectives In pulpal revascularization, a protective material is placed coronal to the blood clot to prevent recontamination and to facilitate osteogenic differentiation of mesenchymal stem cells to produce new…

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Effect of grain size on the monoclinic transformation, hardness, roughness, and modulus of aged partially stabilized zirconia

Nov 23, 2017 by in Dental Materials Comments Off on Effect of grain size on the monoclinic transformation, hardness, roughness, and modulus of aged partially stabilized zirconia

Highlights • A significant correlation exists between grain size and monoclinic transformation. • Aging created a slight increase in surface roughness. • No significant correlation between grain size and surface…

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