Dental Materials

Are self-adhesive resin cements a valid alternative to conventional resin cements? A laboratory study of the long-term bond strength

Nov 28, 2017 by in Dental Materials Comments Off on Are self-adhesive resin cements a valid alternative to conventional resin cements? A laboratory study of the long-term bond strength

Abstract Objectives The aim of the study was to test whether or not the shear bond strengths of six self-adhesive resin cements to dentin and to glass-ceramic, 24 h and…

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Correlation of the degree of conversion with the amount of elutable substances in nano-hybrid dental composites

Nov 28, 2017 by in Dental Materials Comments Off on Correlation of the degree of conversion with the amount of elutable substances in nano-hybrid dental composites

Abstract Objectives This study’s purpose was to measure and compare the degree of conversion (DC) and the amount of elutable substances from modern resin-based composites (RBCs) as function of polymerization…

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Multi-layer porous fiber-reinforced composites for implants: In vitrocalcium phosphate formation in the presence of bioactive glass

Nov 28, 2017 by in Dental Materials Comments Off on Multi-layer porous fiber-reinforced composites for implants: In vitrocalcium phosphate formation in the presence of bioactive glass

Abstract Objectives Glass-fiber-reinforced composites (FRCs), based on bifunctional methacrylate resin, have recently shown their potential for use as durable cranioplasty, orthopedic and oral implants. In this study we suggest a…

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Influences of implant neck design and implant–abutment joint type on peri-implant bone stress and abutment micromovement: Three-dimensional finite element analysis

Nov 28, 2017 by in Dental Materials Comments Off on Influences of implant neck design and implant–abutment joint type on peri-implant bone stress and abutment micromovement: Three-dimensional finite element analysis

Abstract Objectives Occlusal overloading is one of the causes of peri-implant bone resorption, and many studies on stress distribution in the peri-implant bone by three-dimensional finite element analysis (3D FEA)…

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Novel dental restorative materials having low polymerization shrinkage stress via stress relaxation by addition-fragmentation chain transfer

Nov 28, 2017 by in Dental Materials Comments Off on Novel dental restorative materials having low polymerization shrinkage stress via stress relaxation by addition-fragmentation chain transfer

Abstract Objectives To produce a reduced stress dental restorative material while simultaneously maintaining excellent mechanical properties, we have incorporated an allyl sulfide functional group into norbornene–methacrylate comonomer resins. We hypothesize…

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Odontogenic responses of human dental pulp cells to collagen/nanobioactive glass nanocomposites

Nov 28, 2017 by in Dental Materials Comments Off on Odontogenic responses of human dental pulp cells to collagen/nanobioactive glass nanocomposites

Abstract Objectives Collagen-based nanocomposite incorporating nanobioactive glass (Col/nBG) was developed as a scaffolding matrix for dentin–pulp regeneration. The effects of the novel matrix on the proliferation of human dental pulp…

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Two- and three-body wear of composite resins

Nov 28, 2017 by in Dental Materials Comments Off on Two- and three-body wear of composite resins

Abstract Objective The aim of the present study was to investigate two- and three-body wear of microfilled, micro-hybrid and nano-hybrid composite resins using a ball-on-disc sliding device. Methods One microfilled…

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Simultaneous determination of polymerization shrinkage, exotherm and thermal expansion coefficient for dental resin-composites

Nov 28, 2017 by in Dental Materials Comments Off on Simultaneous determination of polymerization shrinkage, exotherm and thermal expansion coefficient for dental resin-composites

Abstract Objectives To measure shrinkage strain, exotherm, and coefficient of thermal expansion (CTE), simultaneously for a set of representative resin-composites. Methods Six commercially available resin-composites with different filler loadings were…

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Effect of a non-thermal, atmospheric-pressure, plasma brush on conversion of model self-etch adhesive formulations compared to conventional photo-polymerization

Nov 28, 2017 by in Dental Materials Comments Off on Effect of a non-thermal, atmospheric-pressure, plasma brush on conversion of model self-etch adhesive formulations compared to conventional photo-polymerization

Abstract Objective To determine the effectiveness and efficiency of non-thermal, atmospheric plasmas for inducing polymerization of model dental self-etch adhesives. Methods The monomer mixtures used were bis-[2-(methacryloyloxy)ethyl] phosphate (2MP) and…

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