Effect of in vitro aging on the flexural strength and probability to fracture of Y-TZP zirconia ceramics for all-ceramic restorations

Nov 25, 2017 by in Dental Materials Comments Off on Effect of in vitro aging on the flexural strength and probability to fracture of Y-TZP zirconia ceramics for all-ceramic restorations

Abstract Objectives Dental zirconia restorations should present long-term clinical survival and be in service within the oral environment for many years. However, low temperature degradation could affect their mechanical properties…

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Adhesion of resin-modified glass-ionomer cements may affect the integrity of tooth structure in the open sandwich technique

Nov 25, 2017 by in Dental Materials Comments Off on Adhesion of resin-modified glass-ionomer cements may affect the integrity of tooth structure in the open sandwich technique

Abstract Objective To study the interfaces between model cavities prepared in teeth and four glass ionomer cements (two conventional and two resin-modified). Methods Ten non-cavitated molars and premolars were used…

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Mechanical properties of dental resin/composite containing urchin-like hydroxyapatite

Nov 25, 2017 by in Dental Materials Comments Off on Mechanical properties of dental resin/composite containing urchin-like hydroxyapatite

Abstract Objectives To investigate the reinforcing effect of urchin-like hydroxyapatite (UHA) in bisphenol A glycidyl methacrylate (Bis-GMA)/triethylene glycol dimethacrylate (TEGDMA) dental resin (without silica nanoparticles) and dental composites (with silica…

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Characterization of urethane-dimethacrylate derivatives as alternative monomers for the restorative composite matrix

Nov 25, 2017 by in Dental Materials Comments Off on Characterization of urethane-dimethacrylate derivatives as alternative monomers for the restorative composite matrix

Highlights • Six series of alternative urethane-dimethacrylate monomers were tested. • Monomers were tested to verify their potential use in dental restorative matrix. • Six varied diisocyanates were used for…

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Simultaneous measurement of polymerization stress and curing kinetics for photo-polymerized composites with high filler contents

Nov 25, 2017 by in Dental Materials Comments Off on Simultaneous measurement of polymerization stress and curing kinetics for photo-polymerized composites with high filler contents

Highlights • We develop new system for real-time measuring shrinkage stress and curing kinetics. • The system shows unprecedented combination of sensitivity and resolution. • Simultaneous measurement can be performed…

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