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一般描述
Zirconium oxide (ZrO2) is a metal oxide with mechanical strength similar to steel hence referred to as ceramic steel. Some of its other properties include high biocompatibility, chemical inertness, resistance to corrosion, high dielectric constant, large bandgap, and high thermal resistance. Pure zirconia is susceptible to fracture due to phase transformation at elevated temperature which can be overcome by adding stabilizers such as yttria to form yttrium-stabilized zirconia or yttria tetragonal zirconia polycrystals.
应用
Currently, titanium and its alloys are widely used in implant dentistry. But they pose challenges such as potential immunologic response and its dark grayish color which affects the esthetics. The natural white color, mechanical properties, higher osseointegration, and biocompatibility of ZrO2 make it an ideal candidate as a dental biomaterial for implants and crowns compared to titanium-based systems.
The doping of ZrO2 with Ce4+ ions makes it photosensitive to visible light leading to the formation of a 3rd generation photoactive system with potential applications in photocatalysis.
The doping of ZrO2 with Ce4+ ions makes it photosensitive to visible light leading to the formation of a 3rd generation photoactive system with potential applications in photocatalysis.
法律信息
Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
11 - Combustible Solids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
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Rare earth oxides in zirconium dioxide: How to turn a wide band gap metal oxide into a visible light active photocatalyst.
Gionco C, et al.
Journal of Energy Chemistry, 26(2), 270-276 (2017)
Synthesis of nano zirconium oxide and its application in dentistry.
Hu C, et al.
Nanotechnology Reviews, 8(1), 396-404 (2019)
Is zirconia a viable alternative to titanium for oral implant? A critical review.
Sivaraman K, et al.
Journal of Prosthodontic Research, 62(2), 121-133 (2018)
Zirconia dental implants: a literature review.
Ozkurt Z & Kazazoglu E.
The Journal of Oral Implantology, 37(3), 367-376 (2011)
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