Abstract: Pressable glass-ceramic compositions for dental purposes of the composition I, II or III I II III ZrO2 17-70%? ZrO2/Al2O3 15-70%? Al2O3 ??15-70% SiO2 17-59%? SiO2 17-59%? SiO2 ??17-59% Al2O3 ?2-15% ZrO2 ?2-15% ZrO2 ???2-15% Y2O3 ??0-6% Y2O3 ??0-6% Y2O3 ???0-6% K2O 3-12.5%? K2O 3-12.5%? K2O ?3-12.5% Na2O 0.2-8.5%?? Na2O 0.2-8.5%?? Na2O 0.2-8.5% Li2O 0-1.5% Li2O 0-1.5% Li2O ???0-1.5% CaO 0.3-2% CaO 0.3-2% CaO ???0.3-2% B2O3 0.1-5% B2O3 0.1-5% B2O3 ???0.1-5% F 0-2.5% F 0-2.5% F ???0-2.5% CeO2 0.2-2% CeO2 0.2-2% CeO2 ???0.2-2% TiO2 0-1.5% TiO2 0-1.5% TiO2 ???0-1.5% are particularly suitable for the manufacturing of ceramic veneer frames.
Abstract: A method is disclosed for receiving a medical element in a manipulation apparatus in such a way that it can be inserted in an implant or be removed therefrom and the medical element is secured against longitudinal displacement by means of clip element, whereby a security element is introduced into the clip element such that the clip element is spread or blocked perpendicular to the longitudinal axis.
Type:
Application
Filed:
June 13, 2006
Publication date:
November 13, 2008
Applicant:
Heraeus Kulzer GmbH
Inventors:
Michael Augthun, Thomas Boschemeyer, Volkhard-Hagen Clostermann, Nico Dragotto, Klaus Haselhuhn, Manfred Peters, Hubertus Spiekermann, Karl-Wilhelm Theis
Abstract: This describes a polymethylmethacrylate bone cement that is characterized in that it contains a hydrolytically-degradable X-ray opaquer with a Mohs hardness equal to or less than 3 and a water solubility at room temperature of less than 4 g per liter. The polymethylmethacrylate bone cement is used as temporary placeholder.
Type:
Application
Filed:
April 17, 2008
Publication date:
October 30, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
SEBASTIAN VOGT, HUBERT BUCHNER, KLAUS-DIETER KUHN, UDO GOPP, MARC THOMSEN
Abstract: Dynamic mixer for viscous pastes, having a buffer chamber for receiving multiple components and having no separation between buffer chamber and mixing chamber.
Type:
Application
Filed:
February 23, 2005
Publication date:
October 30, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
Gottfried Knispel, Klaus-Dieter Nehren, Holger Urbas, Matthias Schaub, Alfred Von Schuckmann
Abstract: An apparatus for dosing small amounts of liquid or pasty media as well as media containing filling material or reactive media having a defined processing time, comprising a housing with an outlet, a dosing unit which is in communication with the outlet and is arranged in or on the housing, and a reservoir, for the medium, which is in communication with the dosing unit and is arranged in or on the housing, said apparatus consisting, in a preferred exemplary embodiment, of a housing 1 comprising an outlet 12. In addition, the apparatus comprises a dosing unit as well as a reservoir 61 for the medium. A dosing shaft 2 which is sectionally surrounded by a translation shaft 3 is arranged in the housing 1. A discharge groove 33 is inserted in the translation shaft 3, with a control button 8 which passes through a groove 17 in the housing 1 being guided in said discharge groove 33.
Abstract: A method for brightening of teeth is described, using a kit with the components A an alkaline, aqueous sodium fluoride solution, containing a gel former, B a dried gel, present in film strips, containing B1 at least one gel former, B2 phosphate or hydrogen phosphate ions, B3 optionally at least one amino acid, B4 optionally fluoride, B5 optionally glycerol, B6 optionally a carboxylic acid or a buffer system for one of the pH values from 4 to 7. C a dried gel, present in film strips, containing C1 at least one gel former, C2 calcium ions, C3 optionally glycerol, as well as preparation of the kit.
Type:
Application
Filed:
November 19, 2007
Publication date:
October 2, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
SUSANNE BUSCH, ANDREAS UTTERODT, MARCUS HOFFMANN, CHRISTOPH MAETZIG
Abstract: An angled dental shaft receptacle is provided for operating rotating instruments with an angled shaft. The angled shaft receptacle has a driver pin, and the driver pin is connected to the angled shaft of the instrument by a planar contact during operation. The rotating instrument is preferably a dental instrument.
Abstract: A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also 0.3-10% white pigment.
Type:
Grant
Filed:
February 3, 2005
Date of Patent:
September 16, 2008
Assignee:
Heraecus Kulzer GmbH
Inventors:
Andreas Grundler, Albert Erdrich, Michael Greczmiel, Claus-Peter Ernst
Abstract: The invention relates to a PMMA revision bone cement having powder and liquid component, in which the powder component contains two or more granular antibiotics whose grain size distribution is equal in that the main screening fraction each of the individual antibiotics is in the same grain size range, in particular in the range of 100-250 ?m or 150-250 ?m.
Type:
Application
Filed:
January 22, 2008
Publication date:
September 4, 2008
Applicant:
Heraeus Kulzer GmbH
Inventors:
Klaus-Dieter Kuhn, Sebastian Vogt, Hubert Buchner
Abstract: An agent for protection of tooth surfaces, in conjunction with conventional bleaching methods, by biomimetic deposition of fluorapatite, containing A at least one preformulated 50-1000 ?m thick gel film A, containing A1 at least one gel former, A2 water or a mixture of water and an organic solvent, A3 phosphate or hydrogen phosphate ions, A4 optionally fluoride, A5 optionally at least one amino acid, A6 optionally one carboxylic acid or a buffer system for a pH value from 4 to 7. B at least one 50 ?m to 5 mm thick gel film B, containing B1 at least one gel former, B2 water, B3 calcium ions Ca2+.
Type:
Application
Filed:
November 19, 2007
Publication date:
September 4, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
SUSANNE BUSCH, ANDREAS UTTERODT, MARCUS HOFFMANN, CHRISTOPH MAETZIG
Abstract: Dental prosthesis repair kit, including a light-curing dental prosthesis repair material, a diamond grinder for the end of a dentist's tool holder, and a bonding agent solution.
Type:
Application
Filed:
November 19, 2004
Publication date:
September 4, 2008
Applicant:
Heraeus Kulzer GmbH
Inventors:
Albert Erdrich, Karl-Heinz Renz, Novica Savic
Abstract: Compositions for dental composites comprising monomers, crosslinking agents, fillers, initiators, A the proportion of crosslinking agent being formed in an amount of more than 50% by acrylate monomers with a TCD urethane structure having the general formula in which A, X, Z, R1 R2 R3 and r have the meaning indicated in claim 1, provide polymerized composite materials with a particularly low cytotoxicity according to the standard requirements according to ISO 10993-5 and DIN EN ISO 7405.
Type:
Application
Filed:
December 10, 2007
Publication date:
July 10, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schonhof
Abstract: The present invention provides a method of microbial reduction and/or sterilization of impression materials, specifically elastomeric impression materials, by means of steam sterilization.
Abstract: The invention relates to a packaging unit for homogenising ceramic slurry in mixing devices with at least one packaging vessel, which exhibits a releasable closure, containing ceramic slurries or their components in pre-metered quantities.
Abstract: A polymerizable dental material formed of a liquid component containing A) at least one liquid methyl methacrylate monomer component, B) at least one acrylated or methacrylated butadiene oligomer or acrylated or methacrylated butadiene polymer and/or an acrylated or methacrylated acrylonitrile-butadiene oligomer or acrylated or methacrylated acrylonitrile-butadiene polymer, and optionally a powder component containing a polymer powder or a bead polymer based on methacrylate.
Type:
Application
Filed:
November 19, 2007
Publication date:
June 5, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
KARL-HEINZ RENZ, NOVICA SAVIC, KEVIN KERSCHER
Abstract: Dental materials with high abrasion resistance and their use for producing artificial teeth and/or their enamel or cutting areas are described. The materials primarily contain: (a) Monofunctional meth-/acrylates ?20-50% (b) Crosslinking meth-/acrylate ??1-20% (c) Splitter polymer from components (2) and (5) ??2-30% (d) PMMA-pearl polymers, partly crosslinked ??2-50% (e) Pyrogenic silicic acid, silanated ??0-20% (f) Inorganically fortified pearl polymer ??5-50% (g) Initiator components 0.1-1% (h) Coloring pigments 0.1-3%.
Type:
Grant
Filed:
July 29, 2004
Date of Patent:
May 6, 2008
Assignee:
Heraeus Kulzer GmbH & Co. KG
Inventors:
Albert Erdrich, Karl-Heinz Renz, Frank Uwe Stange, Novica Savic, Cornelia Hermann
Abstract: A surgical suture material with an antimicrobial surface is described, the surface exhibiting a coating containing a) at least one fatty acid, b) octenidine dichloride and/or dequalinium chloride and c) optionally oligomeric lactic acid esters. In addition, a process for coating surgical suture material is described which is characterized by the fact that the thread material is wetted with a homogeneous methanolic solution of octenidine dichloride and/or dequalinium chloride and subsequently the methanol is evaporated, a coating forming on the thread surface.
Type:
Application
Filed:
October 24, 2007
Publication date:
May 1, 2008
Applicant:
HERAEUS KULZER GMBH
Inventors:
SEBASTIAN VOGT, KLAUS-DIETER KUHN, HUBERT BUCHNER
Abstract: The invention relates to a method for the antibiotic coating of bodies with interconnecting microcavities as well as bodies coated this way and their usage.
Type:
Grant
Filed:
June 19, 2002
Date of Patent:
April 15, 2008
Assignee:
Heraeus Kulzer GmbH & Co.KG
Inventors:
Sebastian Vogt, Matthias Schnabelrauch, Klaus-Dieter Kühn
Abstract: A cylindrical cartridge for receiving a pasty material, having a sealing piston and a spreading piston insertable into the sealing piston which, sealing piston and spreading piston, when inserted into said cartridge, cooperate to vent air from and seal said cartridge.