Dental Materials

Correlation of shear and dielectric ion viscosity of dental resins – Influence of composition, temperature and filler content

Nov 23, 2017 by in Dental Materials Comments Off on Correlation of shear and dielectric ion viscosity of dental resins – Influence of composition, temperature and filler content

Abstract Objective Shear viscosity and ion viscosity of uncured visible light-curing (VLC) resins and resin based composites (RBC) are correlated with respect to the resin composition, temperature and filler content…

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Comparison of the transformation temperatures of heat-activated Nickel-Titanium orthodontic archwires by two different techniques

Nov 23, 2017 by in Dental Materials Comments Off on Comparison of the transformation temperatures of heat-activated Nickel-Titanium orthodontic archwires by two different techniques

Highlights • The results of the study indicate that the Bend and Free Recovery (BFR) method is suitable as a standard test method to determine the transformation temperatures of heat-activated…

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Fractography of interface after microtensile bond strength test using swept-source optical coherence tomography

Nov 23, 2017 by in Dental Materials Comments Off on Fractography of interface after microtensile bond strength test using swept-source optical coherence tomography

Highlights • OCT is a useful tool for fractography after microtensile bond strength test. • Flowable composite lining increases microtensile bond strength regardless of crosshead speed. • High crosshead speed…

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Physical characterization of unfilled and nanofilled dental resins: Static versus dynamic mechanical properties

Nov 23, 2017 by in Dental Materials Comments Off on Physical characterization of unfilled and nanofilled dental resins: Static versus dynamic mechanical properties

Abstract Objective The aim of this study was to evaluate the mechanical properties of dental resins and dental nanocomposites by means of 3-point bending, 4-point bending and piston-on-three ball biaxial…

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Data acquisition variability using profilometry to produce accurate mean total volumetric wear and mean maximum wear depth measurements for the OHSU oral wear simulator

Nov 23, 2017 by in Dental Materials Comments Off on Data acquisition variability using profilometry to produce accurate mean total volumetric wear and mean maximum wear depth measurements for the OHSU oral wear simulator

Abstract Objective To identify the minimum data acquisition variables in the x – and y -planes required when using three-dimensional (3D) profilometry to produce accurate mean total volumetric wear and…

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Human treated dentin matrices combined with Zn-doped, Mg-based bioceramic scaffolds and human dental pulp stem cells towards targeted dentin regeneration

Nov 23, 2017 by in Dental Materials Comments Off on Human treated dentin matrices combined with Zn-doped, Mg-based bioceramic scaffolds and human dental pulp stem cells towards targeted dentin regeneration

Highlights • Bioceramic scaffold/hTDM constructs favored odontogenic differentiation and biomineralization. • Scaffolds released Mg 2+ , Ca 2+ , Si 4+ and Zn 2+ ions and hTDMs growth factors (TGFβ-1,…

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Role of the beam profile and sample geometry in the bonded-disk method on the shrinkage kinetics of two dental resins

Nov 23, 2017 by in Dental Materials Comments Off on Role of the beam profile and sample geometry in the bonded-disk method on the shrinkage kinetics of two dental resins

Highlights • Real time imaging of the two dimensional (2D) axial shrinkage field in the bonded disk geometry is presented for two resin-based composites (RBCs). • The time-dependent 2D axial…

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Graphene oxide-based substrate: physical and surface characterization, cytocompatibility and differentiation potential of dental pulp stem cells

Nov 23, 2017 by in Dental Materials Comments Off on Graphene oxide-based substrate: physical and surface characterization, cytocompatibility and differentiation potential of dental pulp stem cells

Abstract Objective The aim of this study was to evaluate the cytotoxicity and differentiation potential of a graphene oxide (GO)-based substrate using dental pulp stem cell (DPSC). Methods GO was…

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Rheological and mechanical properties and interfacial stress development of composite cements modified with thio-urethane oligomers

Nov 23, 2017 by in Dental Materials Comments Off on Rheological and mechanical properties and interfacial stress development of composite cements modified with thio-urethane oligomers

Highlights • Increase in degree of conversion and reduction in <SPAN role=presentation tabIndex=0 id=MathJax-Element-1-Frame class=MathJax style="POSITION: relative" data-mathml='Rpmax’>RpmaxRpmax R p max . • Delay in gelation and reduction in polymerization…

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Characterizing the collagen stabilizing effect of crosslinked chitosan nanoparticles against collagenase degradation

Nov 23, 2017 by in Dental Materials Comments Off on Characterizing the collagen stabilizing effect of crosslinked chitosan nanoparticles against collagenase degradation

Highlights • Collagen and collagenase both formed complexes with CSnp. • Both native collagen-fibrils and dentin collagen after crosslinking showed higher resistance to collagenase degradation. • CSnp crosslinking on collagen…

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