Dental Materials

Examining exposure reciprocity in a resin based composite using high irradiance levels and real-time degree of conversion values

Nov 23, 2017 by in Dental Materials Comments Off on Examining exposure reciprocity in a resin based composite using high irradiance levels and real-time degree of conversion values

Abstract Objective Exposure reciprocity suggests that, as long as the same radiant exposure is delivered, different combinations of irradiance and exposure time will achieve the same degree of resin polymerization….

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Preparation of antibacterial and radio-opaque dental resin with new polymerizable quaternary ammonium monomer

Nov 23, 2017 by in Dental Materials Comments Off on Preparation of antibacterial and radio-opaque dental resin with new polymerizable quaternary ammonium monomer

Highlights • We synthesized a new polymerizable monomer. • The new monomer can endow dental resin with antibacterial and radio-opaque properties. • Increase new monomer will decrease polymerization shrinkage of…

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Cytotoxic and genotoxic characterization of aluminum and silicon oxide nanoparticles in macrophages

Nov 23, 2017 by in Dental Materials Comments Off on Cytotoxic and genotoxic characterization of aluminum and silicon oxide nanoparticles in macrophages

Abstract Objective Although aluminum oxide and silicon oxide nanoparticles are currently available as dental materials, there is a lack of basic information concerning their biocompatibility. This study evaluates the biological…

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Assessment of defects at tooth/self-adhering flowable composite interface using swept-source optical coherence tomography (SS-OCT)

Nov 23, 2017 by in Dental Materials Comments Off on Assessment of defects at tooth/self-adhering flowable composite interface using swept-source optical coherence tomography (SS-OCT)

Highlights • Adhesive defects were detected and assessed by optical coherence tomography. • At enamel, EF showed significantly fewer adhesive defects than PLP. • At dentin, EF showed more adhesive…

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A comparative finite elemental analysis of glass abutment supported and unsupported cantilever fixed partial denture

Nov 23, 2017 by in Dental Materials Comments Off on A comparative finite elemental analysis of glass abutment supported and unsupported cantilever fixed partial denture

Abstract Objective The purpose of this study was to investigate and compare the load distribution and displacement of cantilever prostheses with and without glass abutment by three dimensional finite element…

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Surface pre-conditioning with bioactive glass air-abrasion can enhance enamel white spot lesion remineralization

Nov 23, 2017 by in Dental Materials Comments Off on Surface pre-conditioning with bioactive glass air-abrasion can enhance enamel white spot lesion remineralization

Highlights • Bioactive glass air-abrasion was used to pre-condition enamel white spot lesion. • Pre-conditioning increased the average surface roughness of the lesion. • An ultra-thin, clinically insignificant layer was…

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Release and protein binding of components from resin based composites in native saliva and other extraction media

Nov 23, 2017 by in Dental Materials Comments Off on Release and protein binding of components from resin based composites in native saliva and other extraction media

Abstract Objectives Unpolymerized (co)monomers and additives can be released from resin based composites (RBCs) and can enter the human organism. In this study, the binding of ingredients from composites to…

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Mechanical properties and ion release from bioactive restorative composites containing glass fillers and calcium phosphate nano-structured particles

Nov 23, 2017 by in Dental Materials Comments Off on Mechanical properties and ion release from bioactive restorative composites containing glass fillers and calcium phosphate nano-structured particles

Highlights • Replacing barium glass by DCPD did not affect composite degree of conversion. • Replacing barium glass by DCPD reduced 24-h strength, but not elastic modulus. • At 28…

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Qualitative and quantitative characterization of monomers of uncured bulk-fill and conventional resin-composites using liquid chromatography/mass spectrometry

Nov 23, 2017 by in Dental Materials Comments Off on Qualitative and quantitative characterization of monomers of uncured bulk-fill and conventional resin-composites using liquid chromatography/mass spectrometry

Abstract Objectives The aim of this study was to assess the resin matrix monomer composition of selected bulk-fill and conventional resin-composite materials using reverse phase liquid chromatography coupled with electron…

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Development of new tissue conditioner using acetyl tributyl citrate and novel hyperbranched polyester to improve viscoelastic stability

Nov 23, 2017 by in Dental Materials Comments Off on Development of new tissue conditioner using acetyl tributyl citrate and novel hyperbranched polyester to improve viscoelastic stability

Highlights • A new tissue conditioner was developed. • Acetyl tributyl citrate and hyperbranched polyester stabilized the viscoelasticity. • Acetyl tributyl citrate and hyperbranched polyester had good biocompatibility. Abstract Objective…

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