Results 21 to 30 of about 162,305 (348)

A Comparative Study of Marginal Adaptation between Monolithic and Layered Zirconia Crowns: A Literature Review [PDF]

open access: yesJournal of Dental Materials and Techniques, 2022
Introduction: Marginal adaptation highly affects the long-term success of crowns. This study intends to investigate the marginal adaptation of monolithic zirconia and veneered zirconia crowns.
Ezatollah Jalalian, Verishe Rastin
doaj   +1 more source

Effect of Speed Sintering on Low Temperature Degradation and Biaxial Flexural Strength of 5Y-TZP Zirconia

open access: yesMolecules, 2022
Translucent zirconia is becoming the material of choice for the esthetic restorative material. We aimed to evaluate the surface structure, phase determination, translucency, and flexural strength of 5Y-TZP Zirconia (Katana STML Block and Disc) between ...
Suchada Kongkiatkamon   +1 more
doaj   +1 more source

Electrochemical characterisation of 3Y-TPZ-Fe2O3 composites [PDF]

open access: yes, 2003
The influence of the addition of ferric oxide to 3Y-TZP on the conductivity and microstructure of sintered Y-stabilised tetragonal zirconia ceramics (3Y-TZP) was investigated.
Boukamp, B.A.   +3 more
core   +3 more sources

Marginal Discrepancy and Internal Fit of Bi-Layered and Monolithic Zirconia Fixed Dental Prostheses: An In Vitro Study

open access: yesApplied Sciences, 2023
This in vitro study evaluated the influence of restoration design (bi-layered vs. monolithic) and manufacturing technique on the marginal discrepancy and internal fit of 3-unit zirconia fixed dental prostheses (FDPs).
Majed M. Alsarani   +4 more
doaj   +1 more source

Study of the Synthesis of Zirconia Powder from Zircon Sand obtained from Zircon Minerals Malaysia by Caustic Fusion Method

open access: yesIndonesian Journal of Chemistry, 2020
The zircon powder from Zircon Minerals Malaysia is a pure premium grade zircon sand milled 1.5 µm that contain ZrSiO4, ZrO2, HfO2, SiO2, Al2O3, TiO2, and Fe2O3.
Istikamah Subuki   +3 more
doaj   +1 more source

Assessment and comparison of retention of zirconia copings luted with different cements onto zirconia and titanium abutments: An in vitro study

open access: yesThe Journal of Indian Prosthodontic Society, 2016
Aim: The purpose of this in vitro study was to assess and compare the retention of zirconia copings luted with different luting agents onto zirconia and titanium abutments.
Neelima Sreekumar Menon   +4 more
doaj   +1 more source

ON THE PREPARATION OF ZIRCONIA. [PDF]

open access: yesJournal of the American Chemical Society, 1886
n ...
openaire   +2 more sources

Catalytic coatings on steel for low-temperature propane prereforming to solid oxide fuel cell (SOFC) application [PDF]

open access: yes, 2009
Catalyst layers (4–20 lm) of rhodium (1 wt%) supported on alumina, titania, and ceria–zirconia (Ce0.5Zr0.5O2) were coated on stainless-steel corrugated sheets by dip-coating in very stable colloidal dispersions of nanoparticles in water.
Alphonse, Pierre, Ansart, Florence
core   +1 more source

X-ray reflectivity, diffraction and grazing incidence small angle X-ray scattering as complementary methods in the microstructural study of sol–gel zirconia thin films [PDF]

open access: yes, 2006
X-ray reflectometry, X-ray diffraction and grazing incidence small angle X-ray scattering have been complementary used to fully characterize zirconia (ZrO2) thin films obtained by the sol–gel route. The films were synthesized on various sapphire (Al2O3),
Babonneau, David   +3 more
core   +3 more sources

Effects of Number of Firing Cycles on Color Stability and Surface Roughness in Two Different Zirconia-Based Ceramic Systems [PDF]

open access: yesJournal of Mashhad Dental School, 2022
Introduction: Color matching between a zirconia-based ceramic restoration and a natural tooth is a common clinical challenge. This in-vitro study aimed to assess the effects of the number of firing cycles and zirconia core translucency on the color ...
Farshad Askari, Rashin Giti
doaj   +1 more source

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