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Dental blank comprising a pre-sintered porous zirconia material, process of its production and dental article formed from said dental blank
Dental blank comprising a pre-sintered porous zirconia material, process of its production and dental article formed from said dental blank
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机译:包含预烧结的多孔氧化锆材料的牙科坯料,其制备方法以及由所述牙科坯料形成的牙科制品
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摘要
The invention relates to a dental mill blank comprising a pre-sintered porous zirconia material, the porous pre-sintered zirconia material showing a N2 adsorption of isotherm type IV according to IUPAC classification, the porous pre-sintered zirconia material having a Vickers hardness from about 25 to about 150, the dental mill blank comprising means for reversible attaching it to a machining device.;The invention also relates to a process of producing a zirconia dental article comprising the steps of providing a dental mill blank comprising a porous pre-sintered zirconia material, placing the dental mill blank in a machining device, machining the porous zirconia material and to a dental article obtained by such a process.
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