The effect of coping/veneer thickness on the fracture toughness and residual stress of implant supported, cement retained zirconia and metal–ceramic crowns

Nov 28, 2017 by in Dental Materials Comments Off on The effect of coping/veneer thickness on the fracture toughness and residual stress of implant supported, cement retained zirconia and metal–ceramic crowns

Abstract Objectives The aim of the work was to assess the influence of coping and veneer thickness on the fracture resistance of porcelain–metal and porcelain–zirconia crowns in a clinically representative…

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Cytocompatibility of polymer-based periodontal bone substitutes in gingival fibroblast and MC3T3 osteoblast cell cultures

Nov 28, 2017 by in Dental Materials Comments Off on Cytocompatibility of polymer-based periodontal bone substitutes in gingival fibroblast and MC3T3 osteoblast cell cultures

Abstract Objectives Inflammatory periodontal diseases are accompanied by destruction of periodontal tissue and alveolar bone. Infrabony lesions can be regenerated with adequate bone substitutes, which require high biocompatibility of the…

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Comparative mechanical behavior of dentin enamel and dentin ceramic junctions assessed by speckle interferometry (SI)

Nov 28, 2017 by in Dental Materials Comments Off on Comparative mechanical behavior of dentin enamel and dentin ceramic junctions assessed by speckle interferometry (SI)

Abstract Objective The dentin–enamel junction (DEJ) plays a crucial role in dental biomechanics; however, little is known about its structure and mechanical behavior. Nevertheless, natural teeth are a necessary model…

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Biomechanical evaluation of internal and external hexagon platform switched implant-abutment connections: An in vitro laboratory and three-dimensional finite element analysis

Nov 28, 2017 by in Dental Materials Comments Off on Biomechanical evaluation of internal and external hexagon platform switched implant-abutment connections: An in vitro laboratory and three-dimensional finite element analysis

Abstract Objectives The aim of this study was to assess the effect of abutment’s diameter shifting on reliability and stress distribution within the implant-abutment connection for internal and external hexagon…

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Fabrication and evaluation of Bis-GMA/TEGDMA dental resins/composites containing halloysite nanotubes

Nov 28, 2017 by in Dental Materials Comments Off on Fabrication and evaluation of Bis-GMA/TEGDMA dental resins/composites containing halloysite nanotubes

Abstract Objective To investigate the reinforcement of Bis-GMA/TEGDMA dental resins (without conventional glass filler) and the corresponding composites (with conventional glass filler) containing varied mass fractions of halloysite nanotubes (HNTs)….

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A novel dentin bonding system containing poly(methacrylic acid) grafted nanoclay: Synthesis, characterization and properties

Nov 28, 2017 by in Dental Materials Comments Off on A novel dentin bonding system containing poly(methacrylic acid) grafted nanoclay: Synthesis, characterization and properties

Abstract Objectives Developing a novel dentin bonding system containing poly(methacrylic acid)-grafted-nanoclay (PMAA-g-nanoclay) as reinforcing filler, with high stability of nanoparticle dispersion and improved bond strength and mechanical properties were the…

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