Distribution of 14C-bisphenol A in pregnant and newborn mice
Abstract Objectives The purpose of the present investigation was to trace the fate of bisphenol A injected into pregnant mice, focusing on its potential accumulation in the fetus and the…
Physical properties of dual-cured luting-agents correlated to early no interfacial-gap incidence with composite inlay restorations
Abstract Objectives The aims of this investigation were to investigate dual-cured luting-agents as to whether their bond strength, dimensional change and flexural modulus influence no interfacial-gap incidence parameters of composite…
Material properties and fractography of an indirect dental resin composite
Abstract Objectives Determination of material and fractographic properties of a dental indirect resin composite material. Methods A resin composite (Paradigm, 3M-ESPE, MN) was characterized by strength, static elastic modulus, Knoop…
Micro-CT based quantitative evaluation of caries excavation
Abstract Objectives To optimize a microtomographic (micro-CT) technique to quantitatively evaluate the effectiveness of contemporary caries-excavation techniques. Methods A beam-hardening curve was obtained from an initial reconstruction of a wedge-shaped…
Use of a specific MMP-inhibitor (galardin) for preservation of hybrid layer
Abstract Objective Dentinal MMPs have been claimed to contribute to the auto-degradation of collagen fibrils within incompletely resin-infiltrated hybrid layers and their inhibition may, therefore, slow the degradation of hybrid…
Dynamic monitoring of curing photoactive resins: A methods comparison
Abstract Objective The aim of this investigation was to determine reaction enthalpy, ion viscosity and curing light transmission changes of unfilled methacrylate-based systems in order to compare methods that monitor…
An experimental and theoretical study of the effect of sample thickness on the Shore hardness of elastomers
Abstract Objective The Shore hardness test is a quick and convenient way to measure hardness of elastomers. The test specifies that the specimen should be at least 6 mm thick;…
XRD 2micro-diffraction analysis of the interface between Y-TZP and veneering porcelain: Role of application methods
Abstract Objectives The metastability of the tetragonal crystal structure of yttria partial stabilized zirconia polycrystalline (Y-TZP) ceramics is a basis of concern for dental restorations. Reactions between the porcelain and…
Interactive effect of indenter size and specimen thickness in Hertzian indentation test
Abstract Objective To investigate the effect of indenter size on the failure mode of amalgam and its interaction with thickness. Methods Dental silver amalgam (Lojic+, SDI) discs, 10 mm diameter,…
Effect of different surface pre-treatments and luting materials on shear bond strength to PEEK
Abstract Objectives To assess the bonding potential of a universal composite resin cement and an adhesive/composite system to differently pre-treated PEEK surfaces. Methods One hundred and fifty PEEK disks were…
Dynamic fatigue and fracture resistance of non-retentive all-ceramic full-coverage molar restorations. Influence of ceramic material and preparation design
Abstract Objectives The purpose of the study was to evaluate the influence of preparation design, and ceramic material, masticatory fatigue and fracture resistance of non-retentive all-ceramic full-coverage restorations luted on…
TEM characterization of a silorane composite bonded to enamel/dentin
Abstract Objectives The low-shrinking composite composed of combined siloxane–oxirane technology (Filtek Silorane, 3M ESPE, Seefeld, Germany) required the development of a specific adhesive (Silorane System Adhesive, 3M ESPE), in particular…
A review of heat transfer in human tooth—Experimental characterization and mathematical modeling
Abstract With rapid advances in modern dentistry, high-energy output instruments ( e.g. , dental lasers and light polymerizing units) are increasingly employed in dental surgery for applications such as laser…
The effect of initial irrigation with two different sodium hypochlorite concentrations on the erosion of instrumented radicular dentin
Abstract Objective This study evaluated the effects of different NaOCl concentrations and contact times on removal of the organic phase from mineralized dentin with and without the adjunctive use of…
Pilot in vivo image spectro-photometric evaluation of optical properties of pure enamel and enamel–dentin complex
Abstract Objectives The aim of this in vivo study is to investigate the L * a * b *and the opacity (CR) of front teeth by means of an image…
Contraction stress related to composite inorganic content
Abstract Objectives The role of inorganic content on physical properties of resin composites is well known. However, its influence on polymerization stress development has not been established. The aim of…
Effect of curing protocol on the polymerization of dual-cured resin cements
Abstract Objectives The purpose of this study was to evaluate how curing protocol affects the extent of polymerization of dual-cured resin cements. Methods Four commercial resin cements were used (DuoLink,…
Release of TEGDMA from composite during the chewing situation
Abstract The aim of this study was to investigate the triethylene glycol (TEGDMA) elution kinetics from light-cured composite with and without chewing simulation over a time period of 86 h….
Influence of matrix composition on polymerization stress development of experimental composites
Abstract Objective Stress development at the tooth/restoration interface is one of the most important reasons for failure of adhesive restorations. The aim of this study was to evaluate the influence…
The effect of nano-structured alumina coating on resin-bond strength to zirconia ceramics
Abstract Objectives The aim of this study was to functionalize the surface of yttria partially stabilized tetragonal zirconia ceramics (Y-TZP) with a nano-structured alumina coating to improve resin bonding. Materials…
