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Maria Menini et al.
The International journal of prosthodontics, 26(6), 549-556 (2013-11-02)
To measure the vertical occlusal forces transmitted through crowns made of different restorative materials onto simulated peri-implant bone. The study was conducted using a masticatory robot that is able to reproduce the mandibular movements and forces exerted during mastication. During...
Márcia Borba et al.
Brazilian oral research, 27(5), 396-402 (2013-09-17)
The objective of the study was to measure the marginal and internal fit of zirconia-based all-ceramic three-unit fixed partial dentures (FPDs) (Y-TZP - LAVA, 3M-ESPE), using a novel methodology based on micro-computed tomography (micro-CT) technology. Stainless steel models of prepared...
Yugo Hatai
The international journal of esthetic dentistry, 9(2), 206-222 (2014-04-26)
In contemporary dentistry, we have a vast range of materials to choose from, and metal free restorations have become the premier materials for achieving the ultimate in both esthetics and durability. Metal-free restorations are utilized with more conservative preparations to...
Oluwatayo F Ikotun et al.
Future medicinal chemistry, 3(5), 599-621 (2011-04-30)
Positron emission tomography, with its high sensitivity and resolution, is growing rapidly as an imaging technology for the diagnosis of many disease states. The success of this modality is reliant on instrumentation and the development of effective and novel targeted...
E J Pappert et al.
Neurology, 47(4), 1037-1042 (1996-10-01)
To determine if ventricular cerebrospinal fluid (vCSF) alpha-tocopherol levels in Parkinson's disease (PD) patients can be increased by oral alpha-tocopherol supplementation and whether vCSF levels are linearly related to plasma alpha-tocopherol levels. In spite of its putative neuroprotective properties, alpha-tocopherol...
József Környei et al.
Magyar onkologia, 58(4), 245-250 (2014-12-18)
18F-fluoro-deoxyglucose (FDG) can be considered as the "work-horse" of PET/CT and PET/MR imaging modalities. FDG provides insight in the pathophysiology of tumors and metastases from the point of view of sugar consumption. On the other hand, amino acid metabolism, expression...
Thijs H Oude Munnink et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 54(6), 929-935 (2013-04-30)
Placental growth factor (PlGF) is a member of the proangiogenic vascular endothelial growth factor family, which is upregulated in many tumors. RO5323441, a humanized monoclonal antibody against PlGF, showed antitumor activity in human tumor xenografts. We therefore aimed to radiolabel...
[New bipolar electrosurgical tools based on zirconium dioxide].
S V Belov et al.
Meditsinskaia tekhnika, (2)(2), 20-24 (2013-06-26)
A Moser et al.
Journal of the neurological sciences, 131(2), 183-189 (1995-08-01)
We could identify the MPTP-like compound and isoquinoline derivative N-methyl-norsalsolinol (2-MDTIQ) in cerebrospinal fluid (CSF) of patients with Parkinson's disease. The presence of 2-MDTIQ negatively correlated with the disease duration. In order to study the relationship between presence of 2-MDTIQ...
Brian J Jackson et al.
The Journal of oral implantology, 39(2), 187-192 (2013-04-25)
Dentists have several treatment options when restoring patients with congenitally missing maxillary lateral incisors. Endosseous implant therapy combined with orthodontics can achieve predictable outcomes while meeting patient expectations. This case report exhibits an interdisciplinary approach involving orthodontics, implant surgery, and...
Patrick A Assal
Schweizer Monatsschrift fur Zahnmedizin = Revue mensuelle suisse d'odonto-stomatologie = Rivista mensile svizzera di odontologia e stomatologia, 123(7-8), 644-654 (2013-08-24)
Zirconia is currently extensively used in medicine, especially in orthopedic surgery for various joint replacement appliances. Its outstanding mechanical and chemical properties have made it the "material of choice" for various types of prostheses. Its color in particular makes it...
O Tymofiyeva et al.
Dento maxillo facial radiology, 42(6), 20120271-20120271 (2013-04-24)
To investigate the potential influence of standard dental materials on dental MRI (dMRI) by estimating the magnetic susceptibility with the help of the MRI-based geometric distortion method and to classify the materials from the standpoint of dMRI. A series of...
Ting Jiang et al.
The journal of adhesive dentistry, 16(6), 553-557 (2014-12-18)
The surface roughness of zirconia specimens and the bond strength of zirconia and resin cements were evaluated after selective infiltrated etching (SIE) surface treatment using a modified glass agent. One hundred twenty zirconia specimens were divided into four groups according...
Yue Fan et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17756-17761 (2013-10-12)
Probing the mechanisms of defect-defect interactions at strain rates lower than 10(6) s(-1) is an unresolved challenge to date to molecular dynamics (MD) techniques. Here we propose an original atomistic approach based on transition state theory and the concept of...
K Prem Ananth et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4160-4166 (2013-08-06)
The physical, chemical and biological properties of the bioglass reinforced yttria-stabilized composite layer on Ti6Al4V titanium substrates were investigated. The Ti6Al4V substrate was deposited with yttria stabilized zirconia - YSZ as the base layer of thickness ≈4-5 μm, to inhibit...
Tetsurou Odatsu et al.
American journal of dentistry, 26(1), 51-55 (2013-06-04)
To investigate the effect of surface polishing and finishing methods on the surface roughness of restorative ceramics. Disk specimens were prepared from feldspar-based, lithium disilicate-based, fluorapatite leucite-based and zirconia ceramics. Four kinds of surface polishing/finishing methods evaluated were: Group 1:...
New CAD/CAM materials and blocks for chairside procedures.
M Zimmermann et al.
International journal of computerized dentistry, 16(2), 173-181 (2013-08-13)
Alexandra E Strom et al.
The Journal of organic chemistry, 78(17), 8909-8914 (2013-08-01)
A one-pot anti-Markovnikov hydroamination of alkenes is reported. The synthesis of primary and secondary amines from unactivated olefins was accomplished in the presence of a variety of functional groups. Hydrozirconation, followed by amination with nitrogen electrophiles, provides exclusive anti-Markovnikov selectivity....
José Zorzin et al.
The journal of adhesive dentistry, 16(6), 541-546 (2014-12-18)
To evaluate the bonding performance of self-adhesive resin cements to zirconia and lithium disilicate in self- and dual-curing modes before and after thermocycling. Rectangular bars (3 mm high, 3 mm wide, 9 mm long) were manufactured from zirconia (Vita In-Ceram...
Le Ngoc Tran et al.
Journal of chromatography. A, 1356, 289-293 (2014-07-20)
An organic-inorganic silica/zirconia hybrid monolithic capillary column was prepared by sol-gel process in a fused-silica capillary by using triethoxysilylpropylcarbamate (TEOSPC) derivative of clindamycin phosphate (CLIP) as a chiral selector. A sol solution consisting of 6 × 10(-3)M of polyethylene glycol...
J F Nguyen et al.
Journal of dental research, 93(1), 62-67 (2013-11-05)
The aim of this study was to produce composite blocks (CB) for CAD/CAM applications by high-temperature-pressure (HT/HP) polymerization of resin-infiltrated glass-ceramic networks. The effect of network sintering and the absence/presence of initiator was investigated. Mechanical properties were determined and compared...
Abnormal trace metals in man: zirconium.
H A Schroeder et al.
Journal of chronic diseases, 19(5), 573-586 (1966-05-01)
Hai-Bo Shang et al.
Journal of chromatography. A, 1357, 165-171 (2014-06-04)
Effective solid-phase microextraction (SPME) of polar phenols from water samples is usually difficult due to the strong interaction between polar phenols and aqueous matrix. Here, we report the fabrication of a metal-organic framework UiO-66 coated stainless steel fiber via physical...
Surgical, biologic and implant-related factors affecting bone remodeling around implants.
Matteo Capelli
The European journal of esthetic dentistry : official journal of the European Academy of Esthetic Dentistry, 8(2), 279-313 (2013-05-29)
Piyanut Charoonsuk et al.
Journal of nanoscience and nanotechnology, 13(5), 3529-3534 (2013-07-19)
The chemical reaction and phase evolution of perovskite lead zirconate (PbZrO3; PZ) nanoparticles, synthesized by the sono-assisted co-precipitation method, have been investigated. The nanopowders were characterized using the X-ray diffraction technique (XRD), Fourier transform infrared (FT-IR) spectroscopy, Raman spectroscopy, transmission...
Gopalu Karunakaran et al.
Journal of nanoscience and nanotechnology, 13(1), 678-685 (2013-05-08)
Currently, nanometal oxides are used extensively in different industries such as medicine, cosmetics and food. The increased consumption of nanoparticles (NPs) leads the necessity to understand the fate of the nanoparticles in the environment. The present study focused on the...
Blair Schoene et al.
Science (New York, N.Y.), 347(6218), 182-184 (2014-12-17)
The Chicxulub asteroid impact (Mexico) and the eruption of the massive Deccan volcanic province (India) are two proposed causes of the end-Cretaceous mass extinction, which includes the demise of nonavian dinosaurs. Despite widespread acceptance of the impact hypothesis, the lack...
S Ghosh et al.
Biological trace element research, 35(3), 247-271 (1992-12-01)
The action of Zirconium (Zr) on biological systems presents an enigma. It is ubiquitous, being present in nature in amounts higher than most trace elements. It is taken up by plants from soil and water and accumulated in certain tissues....
K S Alzimami et al.
The British journal of radiology, 86(1030), 20130318-20130318 (2013-08-13)
Positron emission tomography (PET) using zirconium-89 ((89)Zr) is complicated by its complex decay scheme. In this study, we quantified the effective dose from (89)Zr and compared it with fluorine-18 fludeoxyglucose ((18)F-FDG). Effective dose distribution in a PET/CT facility in Riyadh...
Chanisa Nawanil et al.
Journal of nanoscience and nanotechnology, 13(5), 3700-3704 (2013-07-19)
This study synthesized blended lead zirconate (PbZrO3;PZ)/poly(ethylene oxide)(PEO)/Glutinous rice starch (GRS) nanofibers by the electrospinning method. A number of parameters such as the ratio between PEO and GRS and calcination temperature have been studied. The as-spun PZ/PEO/GRS composite and PZ...
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