Obituary: John C. “Jack” Mitchem (1932–2012)
John Coate (“Jack”) Mitchem passed away on January 8, 2012 after a two year battle with cancer. Jack was born and raised in southern California. He moved to Oregon and…
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…
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…
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…
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…
Development of strength in dental silver amalgam
Abstract Objectives To characterize the development of strength during the setting process of dental silver amalgam in the context of ‘early strength’ measurements for standards compliance testing in relation to…
Diametral compression test with composite disk for dentin bond strength measurement – Finite element analysis
Abstract Objective A novel technique using a composite disk under diametral compression was presented in a previous study for measuring the bond strength between intracanal posts and dentin. This study…
The interaction of various liquids with long-term denture soft lining materials
Abstract Objectives To study the uptake of liquids, representative of those encountered orally, by long-term denture soft lining materials, and analyze the data in terms of appropriate theories. Methods Four…
Sorption and solubility characteristics of self-adhesive resin cements
Abstract Objective The aim of this in vitro study was to evaluate some sorption characteristics [sorption ( S ), solubility ( SL ) and the percentages of mass change (M…
Interfacial nanoleakage and internal cement thickness of three esthetic crown systems
Abstract Objectives To evaluate interfacial nanoleakage expression of the combination of different cementation procedures and different crown systems. Methods Forty-five human premolars prepared to receive single crowns were randomly divided…
Morphology and structure of polymer layers protecting dental enamel against erosion
Abstract Objectives Human dental erosion caused by acids is a major factor for tooth decay. Adding polymers to acidic soft drinks is one important approach to reduce human dental erosion…
Shear bond strength of three dual-cured resin cements to dentin analyzed by finite element analysis
Abstract Objectives To determine the shear bond strength to bovine dentin of dual-cured resin cements cured in different circumstances, the contraction stress and volumetric shrinkage in both polymerization modes, and…
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)….
Calcium phosphate cement with biofunctional agents and stem cell seeding for dental and craniofacial bone repair
Abstract Objective Calcium phosphate cement (CPC) can be injected to harden in situ and is promising for dental and craniofacial applications. However, human stem cell attachment to CPC is relatively…
Characterisation of a remineralising Glass Carbomer ®ionomer cement by MAS-NMR Spectroscopy
Abstract Objectives The purpose of this study was to characterize commercial glass polyalkenoate cement (GPC) or glass ionomer cement (GIC), Glass Carbomer ® , which is designed to promote remineralization…
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…
Ion concentration adjacent to glass-ionomer restorations in primary molars
Abstract Objectives The aim was to compare the levels of fluoride, calcium and phosphorus in enamel and dentin alongside glass-ionomer-based restorations over time. Methods This CCT consisted of children with…
Are self-adhesive resin cements a valid alternative to conventional resin cements? A laboratory study of the long-term bond strength
Abstract Objectives The aim of the study was to test whether or not the shear bond strengths of six self-adhesive resin cements to dentin and to glass-ceramic, 24 h and…
Influence of Y-TZP ceramic treatment and different resin cements on bond strength to dentin
Abstract Objectives Evaluating the bond strength ( σ ) of resin cement systems (RXA – RelyX ARC; RXU – RelyX U100; and PF – Panavia F) to dentin and yttria-stabilized…
Specimen aspect ratio and light transmission in photoactive dental resins
Abstract Objectives To test the influence of specimen dimensions on light transmission and shrinkage strain properties of curing dental resins. Materials and methods Photocurable resin specimens (Bis-GMA/TEGDMA) with aspect ratios…
