Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Zirconium oxide laminate
Provided are: a laminate which has a change in texture derived from zirconia, in particular, a change in light transmittance, and which is suitable as a dental repair member; a precursor of the laminate; and at least one method for producing the laminate or the precursor. This laminate has a structure in which two or more layers containing zirconia are laminated, the zirconia containing yttrium oxide, and is provided with at least: a first layer containing zirconia having a yttrium oxide content of 4 mol% or more; and a second layer containing zirconium oxide having a different yttrium oxide content than the zirconium oxide contained in the first layer, the difference between the yttrium oxide content of the first layer and the yttrium oxide content of the second layer being 0.2 mol% or more, and the warpage measured using a thickness gauge in accordance with JIS B 7524: 2008 being 1.0 mm or less.
本发明提供一种具有源自氧化锆的质感的变化、特别是透光感的变化并且适合作为牙科用修补构件的层叠体及其前驱体或它们的制造方法的至少1种。该层叠体具有将包含氧化锆的层层叠2层以上而成的构造，所述氧化锆含有氧化钇，所述层叠体至少具备：第一层，其包含氧化钇的含量为4mol％以上的氧化锆；以及第二层，其包含与所述第一层中所含的氧化锆相比氧化钇的含量不同的氧化锆，所述第一层的氧化钇含量与所述第二层的氧化钇含量之差为0.2mol％以上，使用依据JIS B 7524：2008的测厚仪所测量的翘曲为1.0mm以下。
Zirconium oxide laminate
Provided are: a laminate which has a change in texture derived from zirconia, in particular, a change in light transmittance, and which is suitable as a dental repair member; a precursor of the laminate; and at least one method for producing the laminate or the precursor. This laminate has a structure in which two or more layers containing zirconia are laminated, the zirconia containing yttrium oxide, and is provided with at least: a first layer containing zirconia having a yttrium oxide content of 4 mol% or more; and a second layer containing zirconium oxide having a different yttrium oxide content than the zirconium oxide contained in the first layer, the difference between the yttrium oxide content of the first layer and the yttrium oxide content of the second layer being 0.2 mol% or more, and the warpage measured using a thickness gauge in accordance with JIS B 7524: 2008 being 1.0 mm or less.
本发明提供一种具有源自氧化锆的质感的变化、特别是透光感的变化并且适合作为牙科用修补构件的层叠体及其前驱体或它们的制造方法的至少1种。该层叠体具有将包含氧化锆的层层叠2层以上而成的构造，所述氧化锆含有氧化钇，所述层叠体至少具备：第一层，其包含氧化钇的含量为4mol％以上的氧化锆；以及第二层，其包含与所述第一层中所含的氧化锆相比氧化钇的含量不同的氧化锆，所述第一层的氧化钇含量与所述第二层的氧化钇含量之差为0.2mol％以上，使用依据JIS B 7524：2008的测厚仪所测量的翘曲为1.0mm以下。
Zirconium oxide laminate
氧化锆层叠体
USHIO YUKI (Autor:in) / ITO AKIKO (Autor:in) / AZECHI SHO (Autor:in) / FUJISAKI HIROYUKI (Autor:in)
18.08.2023
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2024
Zirconium oxide composition, zirconium oxide sintered body and preparation method
| Europäisches Patentamt | 2023