Effect of exposure time and moving the curing light on the degree of conversion and Knoop microhardness of light-cured resin cements

Jan 10, 2021 by in Dental Materials Comments Off on Effect of exposure time and moving the curing light on the degree of conversion and Knoop microhardness of light-cured resin cements

Highlights • A motorized device was developed to simulate movements of light curing unit. • Different cements, LCUs and exposure protocols can lead to different in vitro results. • Delivering…

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Reliability and aging behavior of three different zirconia grades used for monolithic four-unit fixed dental prostheses

Jan 10, 2021 by in Dental Materials Comments Off on Reliability and aging behavior of three different zirconia grades used for monolithic four-unit fixed dental prostheses

Highlights • Monolithic bridges from three zirconia grades were subjected to aging/loading. • Aging and loading did not affect the fracture load of translucent zirconia bridges. • Transformability correlated with…

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Cobalt–chromium alloys fabricated with four different techniques: Ion release, toxicity of released elements and surface roughness

Jan 10, 2021 by in Dental Materials Comments Off on Cobalt–chromium alloys fabricated with four different techniques: Ion release, toxicity of released elements and surface roughness

Graphical abstract Abstract Objective To investigate the metal ion release, surface roughness and cytoxicity for Co–Cr alloys produced by different manufacturing techniques before and after heat treatment. In addition, to…

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New perspective to improve dentin–adhesive interface stability by using dimethyl sulfoxide wet-bonding and epigallocatechin-3-gallate

Jan 10, 2021 by in Dental Materials Comments Off on New perspective to improve dentin–adhesive interface stability by using dimethyl sulfoxide wet-bonding and epigallocatechin-3-gallate

Highlights • 0.1% EGCG/DWB and 1%EGCG/DWB preserved dentin bond strength and reduced interfacial nanoleakage. • 1%EGCG/DWB inhibited S. mutans growth and biofilm formation along the dentin–adhesive interface. • Adjunctive application…

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Effect of titania addition and sintering temperature on the microstructure, optical, mechanical and biological properties of the Y-TZP/TiO 2composite

Jan 10, 2021 by in Dental Materials Comments Off on Effect of titania addition and sintering temperature on the microstructure, optical, mechanical and biological properties of the Y-TZP/TiO 2composite

Highlights • The composite showed enhanced cell proliferation rate when compared to Y-TZP. • Addition of 12.5% of titania to Y-TZP resulted in formation of more mineralization nodules compared to…

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Bone augmentation by replica-based bone formation

Jan 10, 2021 by in Dental Materials Comments Off on Bone augmentation by replica-based bone formation

Abstract Objective The sources of iliac crest bone grafts are limited. Alternatives are evaluated due to the progress in biomaterial sciences. Synthetical hydroxyapatite (HA), ß-tricalcium phosphate (ß-TCP) or biphasic compounds,…

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Bioactivating a bone substitute accelerates graft incorporation in a murine model of vertical ridge augmentation

Jan 10, 2021 by in Dental Materials Comments Off on Bioactivating a bone substitute accelerates graft incorporation in a murine model of vertical ridge augmentation

Highlights • Bone graft incorporation correlates with nearby Wnt-responsive osteoprogenitors. • Genetic models of elevated Wnt signaling provided evidences for higher bone mass. • Combination of WNT protein with allograft…

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In vitro evaluation of composite containing DMAHDM and calcium phosphate nanoparticles on recurrent caries inhibition at bovine enamel-restoration margins

Jan 10, 2021 by in Dental Materials Comments Off on In vitro evaluation of composite containing DMAHDM and calcium phosphate nanoparticles on recurrent caries inhibition at bovine enamel-restoration margins

Abstract Objective Recurrent caries is a primary reason for restoration failure caused by biofilm acids. The objectives of this study were to: (1) develop a novel multifunctional composite with antibacterial…

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Nano-calcium phosphate and dimethylaminohexadecyl methacrylate adhesive for dentin remineralization in a biofilm-challenged environment

Jan 10, 2021 by in Dental Materials Comments Off on Nano-calcium phosphate and dimethylaminohexadecyl methacrylate adhesive for dentin remineralization in a biofilm-challenged environment

Abstract Objective Dentin remineralization at the bonded interface would protect it from external risk factors, therefore, would enhance the longevity of restoration and combat secondary caries. Dental biofilm, as one…

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Removal of water binding proteins from dentin increases the adhesion strength of low-hydrophilicity dental resins

Jan 10, 2021 by in Dental Materials Comments Off on Removal of water binding proteins from dentin increases the adhesion strength of low-hydrophilicity dental resins

Highlights • Proteoglycans are tightly bound to collagen acting as a barrier for infiltration of dental resin monomers. • Trypsin digestion removed PGs resulting in altered water balance and surface…

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