发明名称 |
Dental blank comprising a pre-sintered porous zirconia material , process of its production and dental article formed from said dental blank |
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. |
申请公布号 |
EP2692311(B1) |
申请公布日期 |
2016.06.22 |
申请号 |
EP20120179125 |
申请日期 |
2012.08.03 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
HAUPTMANN, HOLGER;SCHMITTNER, SYBILLE;KOLB, BRANT U.;SCHECHNER, GALLUS;HERRMANN, ANDREAS |
分类号 |
A61C13/00 |
主分类号 |
A61C13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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