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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How effectively do hydraulic calcium-silicate cements re-mineralize demineralized dentin

Nov 22, 2017 by in Dental Materials Comments Off on How effectively do hydraulic calcium-silicate cements re-mineralize demineralized dentin

Highlights • Hydraulic calcium-silicate cements (hCSCs) do re-mineralize demineralized dentin. • The resin-free hCSCs induced re-mineralization at a higher speed/intensity than the resin-based cement. • Re-mineralization was incomplete for all…

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Effect of monomer type on the CC degree of conversion, water sorption and solubility, and color stability of model dental composites

Nov 22, 2017 by in Dental Materials Comments Off on Effect of monomer type on the CC degree of conversion, water sorption and solubility, and color stability of model dental composites

Abstract Objective This study has investigated the influence of BisGMA, BisEMA, BisEMA 30, and two UDMA-based monomers (UDMA and Fit 852), with TEGDMA as co-monomer, on the degree of conversion,…

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Microstructural characterization of dental zinc phosphate cements using combined small angle neutron scattering and microfocus X-ray computed tomography

Nov 22, 2017 by in Dental Materials Comments Off on Microstructural characterization of dental zinc phosphate cements using combined small angle neutron scattering and microfocus X-ray computed tomography

Graphical abstract Highlights • Aspects of powder design affecting reactivity and cement composition are discussed. • Two formulations of commercial cement showed bimodal distribution of micro-pores. • X-ray computed tomography…

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Biocompatibility of biomaterials – Lessons learned and considerations for the design of novel materials

Nov 22, 2017 by in Dental Materials Comments Off on Biocompatibility of biomaterials – Lessons learned and considerations for the design of novel materials

Abstract Objectives Biocompatibility of dental materials has gained increasing interest during recent decades. Meanwhile, legal regulations and standard test procedures are available to evaluate biocompatibility. Herein, these developments will be…

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