Dental Materials

Laboratory mechanical parameters of composite resins and their relation to fractures and wear in clinical trials—A systematic review

Nov 22, 2017 by in Dental Materials Comments Off on Laboratory mechanical parameters of composite resins and their relation to fractures and wear in clinical trials—A systematic review

Abstract Objective To evaluate a range of mechanical parameters of composite resins and compare the data to the frequency of fractures and wear in clinical studies. Methods Based on a…

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Biocompatibility of polymer-infiltrated-ceramic-network (PICN) materials with Human Gingival Keratinocytes (HGKs)

Nov 22, 2017 by in Dental Materials Comments Off on Biocompatibility of polymer-infiltrated-ceramic-network (PICN) materials with Human Gingival Keratinocytes (HGKs)

Graphical abstract Highlights • Titanium (Ti) and zirconia (Zi) gave the best results in terms of HGK behavior. • PICNs exhibited intermediate results between Ti–Zi and lithium disilicate glass-ceramic. •…

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Mechanical and microbiological properties and drug release modeling of an etch-and-rinse adhesive containing copper nanoparticles

Nov 22, 2017 by in Dental Materials Comments Off on Mechanical and microbiological properties and drug release modeling of an etch-and-rinse adhesive containing copper nanoparticles

Highlights • Copper nanoparticles were characterized and added in different concentrations to etch-and-rinse adhesive. • Addition of copper nanoparticles did not affect several mechanical properties tested. • Higher concentrations of…

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Effect of nanoclay addition on physical, chemical, optical and biological properties of experimental dental resin composites

Nov 22, 2017 by in Dental Materials Comments Off on Effect of nanoclay addition on physical, chemical, optical and biological properties of experimental dental resin composites

Highlights • Montmorillonite can be successfully functionalised by a methacrylate-based compound with an increase of interlayer space from 11.6 Å to 14.2 Å. • Dental resin composites can be prepared…

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Non-thermal atmospheric pressure plasma functionalized dental implant for enhancement of bacterial resistance and osseointegration

Nov 22, 2017 by in Dental Materials Comments Off on Non-thermal atmospheric pressure plasma functionalized dental implant for enhancement of bacterial resistance and osseointegration

Graphical abstract Highlights • Initial bacterial adhesion to the Ti and Ti alloy was significantly inhibited after plasma functionalizing. • The bacterial adhesion-resistance effect was induced by carbon cleaning. •…

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Strain development in bulk-filled cavities of different depths characterized using a non-destructive acoustic emission approach

Nov 22, 2017 by in Dental Materials Comments Off on Strain development in bulk-filled cavities of different depths characterized using a non-destructive acoustic emission approach

Graphical abstract Abstract Objectives (1) To evaluate the effect of cavity depth and composite type on the interfacial debonding in bulk-filled cavities. (2) To correlate the theoretical shrinkage stress and…

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Addition of bioactive glass to glass ionomer cements: Effect on the physico-chemical properties and biocompatibility

Nov 22, 2017 by in Dental Materials Comments Off on Addition of bioactive glass to glass ionomer cements: Effect on the physico-chemical properties and biocompatibility

Abstract Objectives Glass ionomer cements (GICs) are a subject of research because of their inferior mechanical properties, despite their advantages such as fluoride release and direct bonding to bone and…

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Three-dimensional characterization and distribution of fabrication defects in bilayered lithium disilicate glass-ceramic molar crowns

Nov 22, 2017 by in Dental Materials Comments Off on Three-dimensional characterization and distribution of fabrication defects in bilayered lithium disilicate glass-ceramic molar crowns

Abstract Objective To investigate and characterize the distribution of fabrication defects in bilayered lithium disilicate glass-ceramic (LDG) crowns using micro-CT and 3D reconstruction. Methods Ten standardized molar crowns (IPS e.max…

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Effects of two grading techniques of zirconia material on the fatigue limit of full-contour 3-unit fixed dental prostheses

Nov 22, 2017 by in Dental Materials Comments Off on Effects of two grading techniques of zirconia material on the fatigue limit of full-contour 3-unit fixed dental prostheses

Abstract Objective This study evaluated the effects of two grading techniques of zirconia material on the fatigue limit of full-contour 3-unit fixed dental prostheses (FDPs). Methods Presintered blocks of 3Y-TZP…

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Cytotoxicity and genotoxicity of a low-shrinkage monomer and monoacylphosphine oxide photoinitiator: Comparative analyses of individual toxicity and combination effects in mixtures

Nov 22, 2017 by in Dental Materials Comments Off on Cytotoxicity and genotoxicity of a low-shrinkage monomer and monoacylphosphine oxide photoinitiator: Comparative analyses of individual toxicity and combination effects in mixtures

Highlights • Cyto- and genotoxicity of FIT monomer and Lucirin TPO photoinitiator were evaluated. • FIT showed less cytotoxic and genotoxic effects than BisGMA. • TPO showed 7 times higher…

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Direct resin composite restorations for fractured maxillary teeth and diastema closure: A 7 years retrospective evaluation of survival and influencing factors

Nov 22, 2017 by in Dental Materials Comments Off on Direct resin composite restorations for fractured maxillary teeth and diastema closure: A 7 years retrospective evaluation of survival and influencing factors

Abstract Objectives This retrospective study evaluated the survival rate of anterior direct resin based composite (RBC) build-ups in vital teeth made of microhybrid and nanofill RBC materials and the influence…

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Effects of antioxidants on DNA double-strand breaks in human gingival fibroblasts exposed to dental resin co-monomer epoxy metabolites

Nov 22, 2017 by in Dental Materials Comments Off on Effects of antioxidants on DNA double-strand breaks in human gingival fibroblasts exposed to dental resin co-monomer epoxy metabolites

Abstract Objective Eluted dental resin co-monomers can be metabolized to intermediate methacrylic acid (MA) and, further, to epoxy metabolites. Antioxidants have been studied previously, with the intention of decreasing the…

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