Patents Assigned to Vita Zahnfabrik H. Rauter GmbH & Co. KG
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Publication number: 20140106308Abstract: Molded member made of form-stabilized material, comprising at least one first component and one second component, characterized in that the second component has a different pigmentation than the first component and the second component is disposed inside the first element, forming a boundary surface, in such a way that the boundary surface represents a spatially curved surface.Type: ApplicationFiled: December 16, 2013Publication date: April 17, 2014Applicant: VITA ZAHNFABRIK H. RAUTER GMBH & CO. KGInventors: NORBERT THIEL, Olivia Albarski, Michael Dorn, Stefan Aechtner, Joachim Bibus, Andreas Schmid
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Publication number: 20140070435Abstract: The present invention relates to a porous, silicate, ceramic body, possibly with different colors, with a first density, which can be sintered into a silicate, ceramic body with a second density, wherein the ratio of the first density to the second density is 2/5 to 98/100, and the three-point bending strength of the porous, silicate ceramic body with a first density, measured according to ISO 6872, amounts to 25 to 180 MPa.Type: ApplicationFiled: November 14, 2013Publication date: March 13, 2014Applicant: VITA Zahnfabrik H. Rauter GmbH & Co. KGInventors: Norbert THIEL, Michael Dorn, Joachim Bibus, Vilma Geske, Michael Tholey, Enno Bojemueller, Birgit Huber
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Patent number: 8632889Abstract: Molded member made of form-stabilized material, comprising at least one first component and one second component, characterized in that the second component has a different pigmentation than the first component and the second component is disposed inside the first element, forming a boundary surface, in such a way that the boundary surface represents a spatially curved surface.Type: GrantFiled: July 21, 2009Date of Patent: January 21, 2014Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Norbert Thiel, Olivia Albarski, Michael Dorn, Stefan Aechtner, Joachim Bibus, Andreas Schmid
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Publication number: 20130295523Abstract: The invention relates to glass ceramics based on the lithium metasilicate system (Li2O SiO2 (Li2SiO3)), which are mechanically processible in a simple manner in an intermediate stage of the crystallization and, after complete crystallization, represent a high- strength, highly translucent and chemically stable glass ceramic.Type: ApplicationFiled: June 22, 2011Publication date: November 7, 2013Applicants: FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V., DeguDent GmbH, VITA Zahnfabrik H. Rauter GmbH & Co. KGInventors: Bernhard Durschang, Jôrn Probst, Norbert Thiel, Michael Godiker, Markus Vollmann, Udo Schusser
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Publication number: 20130255850Abstract: A process for the universal, at least partial, veneering of frameworks made of framework materials of dental restorations having a coefficient of thermal expansion CTEframework by means of using a ceramic-based veneer material having a coefficient of thermal expansion CTEveneer, wherein a veneer is prepared by a shaping process from a blank of the respective veneer material to be complementary to the framework, and permanently attached to the framework by adhesive bonding, wherein the difference (?CTE) between the coefficient of thermal expansion of the framework material, CTEframework, and the coefficient of thermal expansion of the veneer material, CTEveneer, is outside the range of 0??CTE<2×10?6 K?1.Type: ApplicationFiled: December 9, 2011Publication date: October 3, 2013Applicant: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Norbert Thiel, Enno Bojemüller, Michael Tholey
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Publication number: 20130188185Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: ApplicationFiled: January 8, 2013Publication date: July 25, 2013Applicant: VITA ZAHNFABRIK H. RAUTER GMBH & CO. KGInventor: VITA ZAHNFABRIK H. RAUTER GMBH & CO. KG
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Patent number: 8373857Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: GrantFiled: March 21, 2012Date of Patent: February 12, 2013Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Patent number: 8349459Abstract: The present invention relates to an all-ceramic dental prosthesis in which a porous ceramic matrix material is infiltrated with a glass, having a solubility of <1100 ?g/cm2 according to DIN EN ISO 6872. The invention also relates to the use of niobium-containing glass having an Nb2O5 content of more than 0.1% by weight as an infiltration glass for all-ceramic dental compositions.Type: GrantFiled: March 18, 2008Date of Patent: January 8, 2013Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Marc Stephan, Bernhard Durschang
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Publication number: 20120309607Abstract: The invention relates to glass-ceramics based on the lithium disilicate system which can be mechanically machined easily in an intermediate step of crystallisation and, after complete crystallisation, represent a very strong, highly-translucent and chemically-stable glass-ceramic. Likewise, the invention relates to a method for the production of these glass-ceramics. The glass-ceramics according to the invention are used as dental material.Type: ApplicationFiled: December 23, 2010Publication date: December 6, 2012Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., DEGUDENT GMBH, VITA ZAHNFABRIK H. RAUTER GMBH & CO. KGInventors: Bernhard Durschang, Jorn Probst, Norbert Thiel, Joachim Bibus, Markus Vollmann, Udo Schusser
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Patent number: 8300222Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: GrantFiled: August 22, 2011Date of Patent: October 30, 2012Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Patent number: 8257606Abstract: A process for the preparation of ceramic dental implants having a surface for improving osseointegration, wherein the following process steps are performed for preparing such surface: —preparation of a ceramic blank having a surface; —treating at least one partial area of the surface of the ceramic blank by an ablating process that produces a surface roughness of the surface that corresponds to a treatment by sand blasting under a blasting pressure of from 1.5 bar to 8 bar and with a grain size of the blasting media used for sand blasting of from 30 ?m to 250 ?m; —followed by a chemical treatment of said at least one partial area of the surface of the ceramic blank treated with the ablating process; —followed by a thermal treatment of the blank whose surface has been subjected to said ablating and chemical treatments at temperatures of >125° C. > A ceramic body obtainable by the process according to the invention is also described.Type: GrantFiled: July 7, 2008Date of Patent: September 4, 2012Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Marc Stephan, André Schöne
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Patent number: 8235722Abstract: 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.Type: GrantFiled: August 17, 2005Date of Patent: August 7, 2012Assignees: Sirona Dental Systems GmbH, Vita Zahnfabrik H. Rauter GmbH Co. KGInventors: Joachim Pfeiffer, Wilhelm Schneider, Norbert Thiel
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Publication number: 20120179406Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: ApplicationFiled: March 21, 2012Publication date: July 12, 2012Applicant: VITA ZAHNFABRIK H. RAUTER GMBH & CO. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Patent number: 8168113Abstract: 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.Type: GrantFiled: October 4, 2007Date of Patent: May 1, 2012Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Marc Stephan, Norbert Thiel, Enno Bojemüller
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Patent number: 8164743Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: GrantFiled: June 6, 2011Date of Patent: April 24, 2012Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Publication number: 20120008145Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: ApplicationFiled: August 22, 2011Publication date: January 12, 2012Applicant: VITA ZAHNFABRIK H. RAUTER GMBH & CO. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Publication number: 20110235039Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: ApplicationFiled: June 6, 2011Publication date: September 29, 2011Applicant: VITA ZAHNFABRIK H. RAUTER GMBH & CO. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Patent number: 8027038Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: GrantFiled: February 9, 2011Date of Patent: September 27, 2011Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Patent number: 7978317Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.Type: GrantFiled: December 23, 2008Date of Patent: July 12, 2011Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KGInventors: Wayne D. Jung, Russell W. Jung, Walter W. Sloan, Alan R. Loudermilk
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Patent number: D664662Type: GrantFiled: April 20, 2009Date of Patent: July 31, 2012Assignee: VITA Zahnfabrik H. Rauter GmbH & Co. KGInventor: Wolfgang Meyer-Hayoz