Viscoelastic properties of uncured resin composites: Dynamic oscillatory shear test and fractional derivative model

Nov 23, 2017 by in Dental Materials Comments Off on Viscoelastic properties of uncured resin composites: Dynamic oscillatory shear test and fractional derivative model

Highlights • New fractional derivative type of viscoelastic model is developed for four different uncured composite resins. • Experiments using rheometer with parallel plates are performed and the model parameters…

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Survival of direct resin restorations in posterior teeth within a 19-year period (1996–2015): A meta-analysis of prospective studies

Nov 23, 2017 by in Dental Materials Comments Off on Survival of direct resin restorations in posterior teeth within a 19-year period (1996–2015): A meta-analysis of prospective studies

Highlights • 88 prospective, clinical trials (1996–2015) were analyzed in terms of survival of posterior composite restorations. • Significant findings were only observed for short-term studies and by including all…

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Influence of restoration thickness and dental bonding surface on the fracture resistance of full-coverage occlusal veneers made from lithium disilicate ceramic

Nov 23, 2017 by in Dental Materials Comments Off on Influence of restoration thickness and dental bonding surface on the fracture resistance of full-coverage occlusal veneers made from lithium disilicate ceramic

Highlights • Full-coverage occlusal veneers of different thicknesses were tested. • The lithium disilicate occlusal veneers were exposed to masticatory simulation. • Only specimens with the thickest dimension fully survived…

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Fracture toughness testing: A discriminatory mechanical testing performance indicator for glass-ionomer restoratives?

Nov 23, 2017 by in Dental Materials Comments Off on Fracture toughness testing: A discriminatory mechanical testing performance indicator for glass-ionomer restoratives?

Abstract Objectives To investigate the single-edge notched (SEN) bend fracture toughness ( K IC ) testing methodology as a reproducible and discriminatory mechanical testing protocol for encapsulated and hand-mixed glass-ionomers…

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