Method of producing a dental prosthetic item, and dental prosthetic item thus produced
    1.
    发明授权
    Method of producing a dental prosthetic item, and dental prosthetic item thus produced 有权
    制造牙科假肢物品的方法以及如此制造的牙科假体物品

    公开(公告)号:US08235722B2

    公开(公告)日:2012-08-07

    申请号:US11205019

    申请日:2005-08-17

    IPC分类号: A61C5/08

    摘要: A method of producing a dental prosthetic item 3, wherein the dental prosthetic item 3 is attached, via an interior surface 5, to another dental prosthetic item 2 by means of an adhesive 9, and for adhesive 9 there is provided a gap 8 disposed between an interior surface of the dental prosthetic item 3 and the other dental prosthetic item 2, wherein interior surface 5 of the dental prosthetic item is designed to make allowance for the visual properties of adhesive 9. Furthermore, a dental prosthetic item 3 is produced on the above lines and a blank 41 for the production of such a dental prosthetic item 3 and the other dental prosthetic item 2 is disclosed.

    摘要翻译: 一种制造牙科修补物品3的方法,其中通过内部表面5将牙科假体物品3通过粘合剂9附接到另一个牙科假体物品2,并且对于粘合剂9,设置有间隙8, 牙修复物品3和另一个牙修复物品2的内表面,其中,牙修复物品的内表面5被设计成允许粘合剂9的视觉特性。此外,在假牙物品3上产生牙修复物品3 公开了用于生产这种牙修复物品3和另一个牙修复物品2的坯件41。

    PROCESS FOR PRODUCING A NON-DENSE SINTERED CERAMIC MOLDED BODY HAVING AT LEAST TWO LAYERS

    公开(公告)号:US20190337185A1

    公开(公告)日:2019-11-07

    申请号:US16504584

    申请日:2019-07-08

    摘要: A process for producing a non-dense sintered ceramic molded body having at least two layers, wherein a first powdery ceramic material forming a layer is contacted with at least a second powdery material forming at least a second layer; said first powdery material has a presintering temperature T1 that is higher than the presintering temperature TS of said at least second powdery ceramic material; the course of a curve of shrinkage S1 of said at least first powdery ceramic material differs from the course of a curve of shrinkage S2 of said at least second powdery material, wherein curve of shrinkage S1 is shifted towards higher temperatures as compared to curve of shrinkage S2; and the layers are subjected to a common temperature treatment at a presintering temperature TS that is lower than the presintering temperature T1 and at least equal to T3 to cause sintering that remains in a stage of sintering that has not proceeded to the theoretical density; wherein the curve of shrinkage S1 is modified by admixing at least one component having a curve of shrinkage S3 which material is compatible with said powdery ceramic material into said first powdery ceramic material, i.e. has a grain size smaller than the first powdery ceramic material, to equalize the curves of shrinkage S1 and S2 in the region of the presintering temperature TS.

    Method for the production of a ceramic molded part
    7.
    发明授权
    Method for the production of a ceramic molded part 有权
    陶瓷成型部件的制造方法

    公开(公告)号:US08168113B2

    公开(公告)日:2012-05-01

    申请号:US12310998

    申请日:2007-10-04

    IPC分类号: B29C43/00 B32B3/26

    摘要: A process for the preparation of a ceramic molded part from a suspension/dispersion with a solids content and a fluid content by depositing solids content at the periphery of a porous self-supporting support that is at least partially immersed in the suspension/dispersion and has the same shape as the molded part to be prepared, but with a reduced size, wherein: the solids content contains oxide-ceramic particles; the porous self-supporting support is detachably connected with a discharge in a zone that is not immersed in the suspension/dispersion; the suspension/dispersion is moved towards the porous self-supporting support by means of a positive pressure difference between a pressure prevailing in the suspension/dispersion and a pressure prevailing in the discharge; wherein the fluid content of the suspension/dispersion enters in the porous self-supporting support with depositing solids content at the periphery of the porous self-supporting support.

    摘要翻译: 一种用于通过在至少部分浸入悬浮液/分散体中的多孔自支撑载体的周边沉积固体含量从具有固体含量和流体含量的悬浮液/分散体制备陶瓷模制部件的方法,并且具有 与待制备的成型部件具有相同的形状,但具有减小的尺寸,其中:固体含量包含氧化物 - 陶瓷颗粒; 多孔自支撑支架与未浸没在悬浮液/分散体中的区域中的排出物可拆卸地连接; 悬浮液/分散体通过悬浮液/分散体中存在的压力与排放中的压力之间的正压差移动到多孔自支撑载体; 其中悬浮液/分散体的流体含量通过在多孔自支撑载体的周边沉积固体含量而进入多孔自支撑载体。

    Methods for manufacturing ceramic parts using microwave sintering
    8.
    发明授权
    Methods for manufacturing ceramic parts using microwave sintering 有权
    使用微波烧结制造陶瓷部件的方法

    公开(公告)号:US07767942B2

    公开(公告)日:2010-08-03

    申请号:US10520722

    申请日:2003-07-05

    IPC分类号: H05B6/64

    摘要: A method for manufacturing ceramic parts with a certain porosity by sintering using microwaves, the materials to be sintered being arranged in a vessel, wherein the microwaves introduce sintering energy into the materials to be sintered via electromagnetic waves in the range of vacuum wavelengths between 5 cm-20 cm in multimode having an electromagnetic power of up to one kilowatt, and besides being built from primary materials for the structure of the vessel, the vessel is built from a secondary material which comprises, in particular, a mixture of or mixed crystals of non-metallic, para-, ferro- or antiferromagnetic materials.

    摘要翻译: 通过使用微波烧结制造具有一定孔隙率的陶瓷部件的方法,待烧结的材料被布置在容器中,其中微波通过在5cm的真空波长范围内的电磁波将烧结能量引入待烧结的材料中 具有高达1千瓦的电磁功率的多模式的-20厘米,并且除了由用于船舶结构的主要材料构建之外,容器由二次材料制成,该二次材料特别包括以下物质的混合物或混合物: 非金属,对,铁或反铁磁材料。

    Dental ceramic restoration using a multi-layered structure
    10.
    发明授权
    Dental ceramic restoration using a multi-layered structure 失效
    牙科陶瓷修复使用多层结构

    公开(公告)号:US5591030A

    公开(公告)日:1997-01-07

    申请号:US265700

    申请日:1994-06-27

    摘要: A dental ceramic restoration having a multi-layered structure on a core, obtainable by applying an opaque layer composed of from 50 to 60 wt.-% of SiO.sub.2, 4 to 10 wt.-% of Na.sub.2 O, 0 to 2.5 wt.-% of CaO, 8 to 14 wt.-% of K.sub.2 O, 10 to 20 wt.-% of Al.sub.2 O.sub.3, 0 to 6 wt.-% of B.sub.2 O.sub.3, 5 to 12 wt.-% of TiO.sub.2, and pigments, preferably on oxide basis, onto a core, followed by sintering this assembly, and thereafter applying dentin and enamel layers composed of from 50 to 60 wt.-% of SiO.sub.2, 4 to 10 wt.-% of Na.sub.2 O, 0 to 2.5 wt.-% of CaO, 8 to 14 wt.-% of K.sub.2 O, 10 to 20 wt.-% of Al.sub.2 O.sub.3, 2 to 10 wt.-% B.sub.2 O.sub.3, preferably 4 to 8 wt.-% of B.sub.2 O.sub.3, and pigments, preferably on oxide basis, onto a core, followed by firing this assembly.

    摘要翻译: 一种在芯上具有多层结构的牙科陶瓷修复体,可通过施加由50至60重量%的SiO 2,4至10重量%的Na 2 O,0至2.5重量%的SiO 2, 的CaO,8至14重量%的K 2 O,10至20重量%的Al 2 O 3,0至6重量%的B 2 O 3,5至12重量%的TiO 2和颜料,优选基于氧化物 ,然后烧结该组件,然后施加由50-60重量%的SiO 2,4至10重量%的Na 2 O,0至2.5重量%的CaO组成的牙本质和搪瓷层 ,8至14重量%的K 2 O,10至20重量%的Al 2 O 3,2至10重量%的B 2 O 3,优选4至8重量%的B 2 O 3,以及优选以氧化物为基础的颜料, 一个核心,随后发射这个大会。