Articles with "zirconia" as a keyword



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Powder Metallurgical Processing of MMC Pressure Springs Based on Zirconia and TRIP Steel

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Published in 2020 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202000971

Abstract: A novel powder metallurgical fabrication technology for the development of springs based on metastable austenitic steel and magnesia partially stabilized zirconia is introduced. The developed gel casting technique uses the gelation of alginates in contact… read more here.

Keywords: zirconia; processing mmc; powder metallurgical; steel ... See more keywords
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Modulating Properties of Pure ZrO2 for Structure–activity Relationships in Acid‐base Catalysis: Contribution of the Alginate Preparation Route

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201700171

Abstract: Structure–activity relationships in heterogeneous catalysis demand the development of original preparation routes to create catalyst sets with extended surface properties. Pure zirconia is a bifunctional catalyst which shows a high versatility in acid‐base catalysis. The… read more here.

Keywords: alginate; catalysis; acid base; base ... See more keywords
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Enhanced Catalytic Properties of Carbon supported Zirconia and Sulfated Zirconia for the Green Synthesis of Benzodiazepines

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201801274

Abstract: This work reports for the first time a new series of promising porous catalytic carbon materials, functionalized with Lewis and Brønsted acid sites useful in the green synthesis of 2,3‐dihydro‐1H‐1,5‐benzodiazepine – nitrogen heterocyclic compounds. Benzodiazepines… read more here.

Keywords: green synthesis; carbon materials; properties carbon; zirconia ... See more keywords
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The effect of bleaching on the optical and physical properties of externally stained monolithic zirconia

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Published in 2021 at "Clinical and Experimental Dental Research"

DOI: 10.1002/cre2.433

Abstract: This study aimed to investigate the effects of bleaching on the color, translucency, surface roughness, and surface hardness of monolithic zirconia with external stainin . read more here.

Keywords: monolithic zirconia; physical properties; effect bleaching; optical physical ... See more keywords
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The Effect of Er:YAG Laser Treatment on Biofilm Formation on Titanium and Zirconia Disc Surfaces.

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Published in 2022 at "Journal of periodontology"

DOI: 10.1002/jper.22-0243

Abstract: BACKGROUND Lasers represent a promising method for implant decontamination, but evidence on implant surface changes and subsequent biofilm formation is limited. This study aimed to assess the effect of Er:YAG laser treatment on zirconia and… read more here.

Keywords: zirconia; microscopy; titanium zirconia; titanium ... See more keywords
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Porous zirconia ceramic as an alternative to dentin for in vitro dentin barriers cytotoxicity test

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Published in 2017 at "Clinical Oral Investigations"

DOI: 10.1007/s00784-017-2302-0

Abstract: ObjectivesThis study assessed the potential of porous zirconia ceramic as an alternative to dentin via an in vitro dentin barrier cytotoxicity test.MethodsThe permeability of dentin and porous zirconia ceramic was measured using a hydraulic-conductance system,… read more here.

Keywords: zirconia ceramic; dentin; porous zirconia; permeability ... See more keywords
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Oral bacterial colonization on dental implants restored with titanium or zirconia abutments: 6-month follow-up

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Published in 2018 at "Clinical Oral Investigations"

DOI: 10.1007/s00784-018-2334-0

Abstract: ObjectiveThis investigation aimed to characterize in a 6-month follow-up the microbial profile of implants restored with either titanium or zirconia abutments at the genus or higher taxonomic levels.MethodsTwenty healthy individuals indicative for implant-retained single restorations… read more here.

Keywords: titanium zirconia; month follow; zirconia abutments; implants restored ... See more keywords
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Different polishing methods for zirconia: impact on surface, optical, and mechanical properties

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Published in 2019 at "Clinical Oral Investigations"

DOI: 10.1007/s00784-019-02953-6

Abstract: Objectives To test the impact of polishing strategies on zirconia properties. Materials and methods One hundred eight zirconia specimens were divided into nine groups ( n  = 12/group). Seven groups were polished in the white-stage with… read more here.

Keywords: two steps; white stage; surface; stage polishing ... See more keywords
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Femtosecond laser settings for optimal bracket bonding to zirconia

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Published in 2018 at "Lasers in Medical Science"

DOI: 10.1007/s10103-018-2589-3

Abstract: Bonding orthodontic brackets to ceramic materials is a challenging procedure; femtosecond (FS) laser conditioning could provide improved results, but the ideal settings for effective bracket-zirconia bonding have never been established. This study aimed to analyze… read more here.

Keywords: laser; laser settings; femtosecond laser; zirconia ... See more keywords
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Laser Nd:YAG patterning enhance human osteoblast behavior on zirconia implants

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Published in 2020 at "Lasers in Medical Science"

DOI: 10.1007/s10103-020-03066-3

Abstract: Zirconia has been regarded as a promising material for dental implants, and Nd:YAG laser treatment has been proposed as a potential strategy to improve its bioactivity. The main aim of the present study was to… read more here.

Keywords: laser; laser passes; control; evaluated days ... See more keywords
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Preparation of alumina-toughened zirconia via 3D printing and liquid precursor infiltration: manipulation of the microstructure, the mechanical properties and the low temperature aging behavior

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Published in 2019 at "Journal of Materials Science"

DOI: 10.1007/s10853-019-03432-9

Abstract: In this study, we propose an integrated approach which combines 3D printing and liquid precursor infiltration together to prepare alumina-toughened zirconia (ATZ) composite. Controllable manipulation of the microstructure of the composite could be realized through… read more here.

Keywords: printing liquid; precursor infiltration; temperature; infiltration ... See more keywords