9 results match your criteria 3y-tzp additionally

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The Influence of Surface Preparation, Chewing Simulation, and Thermal Cycling on the Phase Composition of Dental Zirconia.

Materials (Basel) 2021 Apr 22;14(9). Epub 2021 Apr 22.

Department of Prosthodontics and Material Sciences, Leipzig University, 04103 Leipzig, Germany.

The effect of dental technical tools on the phase composition and roughness of 3/4/5 yttria-stabilized tetragonal zirconia polycrystalline (3y-/4y-/5y-TZP) for application in prosthetic dentistry was investigated. Additionally, the X-ray diffraction methods of Garvie-Nicholson and Rietveld were compared in a dental restoration context. Seven plates from two manufacturers, each fabricated from commercially available zirconia (3/4/5 mol%) for application as dental restorative material, were stressed by different dental technical tools used for grinding and polishing, as well as by chewing simulation and thermocycling. Read More

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Novel speed sintered zirconia by microwave technology.

Dent Mater 2021 05 11;37(5):875-881. Epub 2021 Mar 11.

Department of Preventive and Restorative Sciences, University of Pennsylvanian, School of Dental Medicine, 240 S. 40th St., Philadelphia, PA 19104, United States. Electronic address:

Objective: Continuous efforts have been made to hasten the zirconia densification process without compromising properties. This study evaluated the long-term structural durability of microwave speed-sintered zirconia (MWZ) relative to a conventionally sintered zirconia (CZ).

Methods: As-machined dental 3Y-TZP discs (Ø12 × 1. Read More

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Short communication: In vitro pilot study: Are monolithic 3Y-TZP zirconia crowns too strong for titanium Implants?

Int J Prosthodont 2021 Mar 3. Epub 2021 Mar 3.

Purpose: To report on pilot tests for a planned study on single implant-supported crowns made from different restorative materials using finite element analysis (FEA) and in vitro load-to-failure testing.

Materials And Methods: Within this pilot study, FEA was conducted using Ansys 2019 R2 to simulate stress and deformation for implant-supported crowns made of lithium disilicate ceramic (LiS2) and zirconia (3Y-TZP). Additionally, an in vitro load to failure test was conducted using two specimens per group to evaluate the failure mode and to confirm the findings from the FEA. Read More

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Wear behavior and microstructural characterization of translucent multilayer zirconia.

Dent Mater 2020 Sep 18. Epub 2020 Sep 18.

Department of Biomaterials and Biomimetics, New York University College of Dentistry, USA. Electronic address:

Objective: To characterize the composition, microstructure and wear properties of a multilayer translucent zirconia relative to the conventional 3Y-TZP.

Methods: Two types of ceramics were evaluated: a multilayer zirconia (MULTI, IPS e.max ZirCAD Multi, Ivoclar Vivadent) and a control 3Y-TZP (IPS e. Read More

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September 2020

The influence of the restorative material on the mechanical behavior of screw-retained hybrid-abutment-crowns.

J Mech Behav Biomed Mater 2020 11 26;111:103988. Epub 2020 Jul 26.

Department of Prosthodontics, Propaedeutics and Dental Materials, School of Dentistry, Christian-Albrechts University at Kiel, Germany. Electronic address:

Background: The use of polymers in implant dentistry is gaining popularity, as they might have several advantages due to their shock absorption capacity.

Purpose: The aim of this study was to evaluate the performance and fracture strength of three resilient shock-absorbing polymer-based materials as well as the widely used ceramics as one-piece screw-retained implant-supported hybrid-abutment-crowns.

Materials And Methods: Forty custom-made CAD/CAM one-piece screw-retained restorations were milled out of 5 different monolithic materials (n = 8); Z: 3Y-TZP zirconia, L: lithium disilicate, P: ceramic-reinforced polyetheretherketone (PEEK), C: nano-hybrid composite resin and E: polymer-infiltrated ceramic-network. Read More

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November 2020

Role of Magnesium and the Effect of Surface Roughness on the Hydroxyapatite-Forming Ability of Zirconia Induced by Biomimetic Aqueous Solution Treatment.

Materials (Basel) 2020 Jul 8;13(14). Epub 2020 Jul 8.

Institute of Advanced Energy, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan.

Zirconia is a well-known bioceramic for dental and orthopedic applications due to its mechanical and aesthetic properties. However, it lacks sufficient bioactivity to bond with the living bone. This study was aimed to induce bioactivity to tetragonal zirconia polycrystal (3Y-TZP) by simple biomimetic aqueous solution treatment. Read More

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Comparative investigation into effects of ZrO and AlO addition in fluorapatite laser-clad composite coatings on Ti6Al4V alloy.

Proc Inst Mech Eng H 2019 Feb 10;233(2):157-169. Epub 2018 Dec 10.

4 Institute of Oral Medicine, National Cheng Kung University, Tainan.

Composite coatings consisting of fluorapatite mixed with 20 wt% yttria (3 mol%) stabilized cubic phase zirconia (c-ZrO, 3Y-TZP) or 20 wt% alumina (α-AlO) were deposited on Ti6Al4V substrates using a Nd:YAG laser cladding system. The interface morphology, phase composition, micro-hardness and biological properties of the two coatings were examined and compared. The results showed that the fluorapatite/AlO specimen underwent a greater inter-diffusion at the interface between the coating layer and the transition layer than the fluorapatite/ZrO specimen. Read More

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February 2019

Preparation and Optical Properties of Infrared Transparent 3Y-TZP Ceramics.

Materials (Basel) 2017 Apr 7;10(4). Epub 2017 Apr 7.

State Key Laboratory of Advanced Special Steel, Shanghai Key Laboratory of Advanced Ferrometallurgy, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China.

In the present study, a tough tetragonal zirconia polycrystalline (Y-TZP) material was developed for use in high-speed infrared windows and domes. The influence of the preparation procedure and the microstructure on the material's optical properties was evaluated by SEM and FT-IR spectroscopy. It was revealed that a high transmittance up to 77% in the three- to five-micrometer IR region could be obtained when the sample was pre-sintered at 1225 °C and subjected to hot isostatic pressing (HIP) at 1275 °C for two hours. Read More

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Direct silanization of zirconia for increased biointegration.

Acta Biomater 2016 12 26;46:323-335. Epub 2016 Sep 26.

Université de Lyon, INSA de Lyon, Université Claude Bernard Lyon 1 - UMR CNRS 5510 MATEIS, 7, Avenue Jean Capelle, 69621 Villeurbanne cedex, France.

High-performance bioinert ceramics such as zirconia have been used for biomedical devices since the early seventies. In order to promote osseointegration, the historical solution has been to increase the specific surface of the implant through roughness. Nevertheless these treatments on ceramics may create defects at the surface, exposing the material to higher chances of early failure. Read More

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December 2016
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