Results 11 to 20 of about 157,423 (300)

Implant stability and marginal bone level of microgrooved zirconia dental implants: A 3-month experimental study on dogs [PDF]

open access: yesVojnosanitetski Pregled, 2014
Background/Aim. The modification of implant surfaces could affect mechanical implant stability as well as dynamics and quality of peri-implant bone healing. The aim of this 3-month experimental study in dogs was to investigate implant stability,
Delgado-Ruíz Rafael Arcesio   +9 more
doaj   +1 more source

Two-Year Longevity of Posterior Zirconia Multi-Unit Fixed Dental Prostheses with Monolithic Occlusal Surface

open access: yesApplied Sciences, 2021
In this prospective clinical trial we observed the 2-year clinical performance of posterior tooth-supported multi-unit fixed dental prostheses (FDP) fabricated from zirconia with monolithic occlusal surfaces.
Elisabeth Pahncke   +5 more
doaj   +1 more source

FINITE ELEMENT METHOD STUDIES ON THE TRANSMISSION OF MASTICATORY FORCES TO THE BONE SUBSTRATE VIA TITANIUM AND ZIRCONIUM IMPLANTS [PDF]

open access: yesRomanian Journal of Stomatology, 2018
In this study we compared the modalities of transmitting experimental masticatory forces through titanium or zirconium dental implants to the bone substrate.
Sabina David   +3 more
doaj   +1 more source

Point defects and grain boundary effects on tensile strength of 3C-SiC studied by molecular dynamics simulations

open access: yesNuclear Engineering and Technology, 2019
The tensile strength of irradiated 3C-SiC, SiC with artificial point defects, SiC with symmetric tilt grain boundaries (GBs), irradiated SiC with GBs are investigated using molecular dynamics simulations at 300 K.
Yingying Li, Yan Li, Wei Xiao
doaj   +1 more source

Enhancing the Power Generation and COD Removal of Microbial Fuel Cell with ZrP-modified Proton Exchange Membrane

open access: yesInternational Journal of Electrochemical Science, 2018
An experimental system consisting of a dual chamber microbial fuel cell was constructed using simulated molasses wastewater as the anode substrate, carbon felt as the electrodes, Nafion membrane or modified Nafion membrane as proton exchange membrane ...
Liping Fan, Lulu Zhang
doaj   +1 more source

Zirconium and titanium complexes supported by tridentate LX2 ligands having two phenolates linked to furan, thiophene, and pyridine donors: precatalysts for propylene polymerization and oligomerization [PDF]

open access: yes, 2008
Zirconium and titanium complexes with tridentate bis(phenolate)-donor (donor = pyridine, furan and thiophene) ligands have been prepared and investigated for applications in propylene polymerization.
Agapie, Theodor   +4 more
core   +2 more sources

Design of Titanium Alloys Insensitive to Thermal History for Additive Manufacturing

open access: yesCrystals, 2023
Powder bed fusion is the most common technology used for 3D printing, where thermal energy is used to selectively melt/sinter granular materials into solid shapes.
Masato Ueda   +3 more
doaj   +1 more source

A Novel Bis(phosphido)pyridine [PNP]^(2−) Pincer Ligand and Its Potassium and Bis(dimethylamido)zirconium(IV) Complexes [PDF]

open access: yes, 2010
A novel PNP bis(secondary phosphine)pyridine pincer ligand, 2,6-bis(2-(phenylphosphino)phenyl)pyridine, has been prepared in high yield, and the properties of the doubly deprotonated form as a ligand in K_4(PNP)_2(THF)_6 and (PNP)Zr(NMe_2)_2 have been ...
Bercaw, John E., Winston, Matthew S.
core   +2 more sources

Sol–Gel Synthesis and Characterization of YSZ Nanofillers for Dental Cements at Different Temperatures

open access: yesDentistry Journal, 2021
Background: Yttria-stabilized zirconia nanoparticles can be applied as fillers to improve the mechanical and antibacterial properties of luting cement. The aim of this study was to synthesize yttria-stabilized zirconia nanoparticles by the sol–gel method
Anastasia Beketova   +11 more
doaj   +1 more source

Crystal structure of tris(dimethylamido-κN)bis(dimethylamine-κN)zirconium(IV) iodide

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2016
Zirconium amides have become increasingly popular and useful due to their widespread use as precursors to other zirconium complexes and their use in the production of solid oxide fuel cells (SOFCs).
Wesley D. Clark   +3 more
doaj   +1 more source

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