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IVOCLAR VIVADENT AG

IVOCLAR VIVADENT AG Patent applications
Patent application numberTitlePublished
20120121752Press Muffle - The invention concerns a press muffle made of an embedding mass for the production of dental restoration parts, with the embedding mass comprising at least one weakly heat-conducting, in particular ceramic, basic powder, with up to 70%, in particular 2% to 40% of the entire embedding mass (05-17-2012
20120118875Oven - An oven, in particular a dental oven, with a heating chamber (05-17-2012
20120080425Microwave Oven - The invention concerns a microwave oven (04-05-2012
20120077149Dental Implant System - The invention relates to a dental implant system comprising a dental implant (03-29-2012
20120064490Inorganic-inorganic composite material and method for producing the same - Process for producing an inorganic-inorganic composite material, in which an open-pore, crystalline oxide ceramic shaped part is produced from an oxide ceramic powder or a powder of an oxide ceramic mixture after shape-imparting processing and presintering, 03-15-2012
20120015398Method for the Detection of Acid Production By Cariogenic Bacteria - The present invention relates to a method for the semi-quantitative determination of cariogenic bacteria in a sample of saliva and/or plaque, in which the microorganisms contained in a sample of plaque or saliva are brought into contact with a carbon source that is fermented to acid by the cariogenic bacteria. The microorganisms are then incubated under conditions which make possible selective acid formation by the cariogenic bacteria. The acid formation is then detected by determining the pH at least once within a period of 12 hours after adding the carbon source, wherein the cariogenic bacteria are determined semi-quantitatively in the sample by comparison of the pH with at least one reference value. In addition, the invention provides kits for carrying out such methods.01-19-2012
20120012577Microwave Oven Comprising A Rotary Table - A microwave oven for the thermal treatment of at least one dental restoration part comprises a firing chamber inside which the dental restoration part as well as at least one susceptor that may be moved or rotated by means of a drive motor and that substantially is disc-shaped, are disposed, and a microwave radiation source that indirectly heats the dental restoration part with the aid of the susceptor, wherein the susceptor at least partially is microwave-tight and wherein the microwave radiation source is arranged below the susceptor.01-19-2012
20120010322Dental materials based on dimer acid derivatives with ring opening polymerizable groups - The invention relates to a radically polymerizable monomer of formula (I)01-12-2012
20120010066LIGHT-CURING CERAMIC SLIPS FOR THE STEREOLITHOGRAPHIC PREPARATION OF HIGH-STRENGTH CERAMICS - Slip based on radically polymerizable binder, polymerization initiator and filler, which comprises (A) at least one acidic monomer of general formula I01-12-2012
20110319254PROCESS FOR THE PREPARATION OF COLOURED BLANKS AND DENTAL SHAPED PARTS - The invention relates to compositions based on ZrO12-29-2011
20110310370Device And Method For Processing Light-Polymerizable Material For Building Up An Object In Layers - A method and a device for processing light-polymerizable material for the assembly of a mold, utilizing a lithography-based generative manufacturing technique wherein a layer of a light-polymerizable material, the material being located in at least one trough (12-22-2011
20110309554Device And Method For Processing Light-Polymerizable Material For Building Up An Object In Layers - A method and a device for processing a light-polymerizable material (12-22-2011
20110275675Antimicrobial Dental Materials - Dental material which contains an antimicrobial active ingredient according to general formula (I),11-10-2011
20110269088Dental Furnace - In a dental furnace that comprises a firing chamber (11-03-2011
20110259053Lithium Silicate Materials - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.10-27-2011
20110257000Lithium silicate glass ceramic and glass with transition metal oxide - The invention relates to a lithium silicate glass ceramic, which contains at least 8.5 wt.-% transition metal oxide selected from the group consisting of oxides of yttrium, oxides of transition metals with an atomic number from 41 to 79 and mixtures of these oxides. The invention also relates to a corresponding lithium silicate glass, a process for the preparation of the glass ceramic and of the glass as well as their use.10-20-2011
20110256409Lithium Silicate Glass Ceramic and Glass With ZrO2 Content - Lithium silicate glass ceramics and glasses are described which can advantageously be applied to zirconium oxide ceramics in particular by pressing-on in the viscous state and form a solid bond with these.10-20-2011
20110254181Composite Ceramic Material Comprising Zirconia - The invention relates to a composite ceramic material which comprises: 10-20-2011
20110252831Lithium Silicate Materials - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.10-20-2011
20110238049Soft Tissue Laser - A soft tissue laser with a display, a control device, a controllable laser light source, a first light-conducting element and a receptacle at the light-emitting side end of a first light-conducting element, at which different tips having a second light-conducting element each can be arranged in such a fashion that they can be removed again, which tips differ from one another in the diameters of the second light-conducting elements and/or in the amount by which the second light conductor axially exceeds the free end of the tip. The control device, in particular depending on the desired work process, determines the suitable tip and controls the laser light source in such a fashion that the power necessary for the work process selected is available at the free end of the second light-conducting element.09-29-2011
20110236857Multi-Colored Shaped Body - The present invention relates to a multi-colored shaped body having layers arranged on top of one another for producing dental restorations, a process for its production and its use for the manufacture of dental restorations.09-29-2011
20110236855Multi-Colored Shaped Body - The present invention relates to a multi-colored shaped body having layers arranged on top of one another for producing dental restorations, a process for its production and its use for the manufacture of dental restorations.09-29-2011
20110217676Compositions Containing Cleaning Particles - A composition, containing a carrier medium and particles based on a metal compound with a weight-average particle diameter of 1 nm to 10 μm is useful to clean metal or ceramic surfaces which are part of a dental restoration or of an implant abutment.09-08-2011
20110215507PRIMARY PARTICLES COATED WITH A CHROMOPHORIC COMPONENT - The invention relates to suspension of primary particles of oxide-ceramic material, wherein the primary particles have an average particle size in the range from 10 to 1000 nm and are coated with a chromophoric component, a process for their preparation and their use in particular in the preparation of ceramic mouldings and dental restorations. The invention further relates to a process for the preparation of ceramic mouldings.09-08-2011
20110200966Machining of Ceramic Materials - Milling strategies for machining dental ceramic materials are provided that reduce milling time while maintaining strength, accuracy and marginal integrity.08-18-2011
20110141733Light Curing Device - The invention relates to a light curing device for dental purposes having a plurality of semiconductor light sources, each light source includes a light-emitting chip, wherein said chips are mounted on a common and chip-cooling substrate. Each chip is surrounded by an individual reflector body connected to the substrate and/or the chip associated therewith, and the reflector bodies of at least two chips are arranged next to one another but are not connected with one another.06-16-2011
20110137262Application Device - An application device with a cylindrical basic body for storing a squeezable dental material having a piston positioned inside the basic body and axially displaceable towards the basic body. A piston rod serves to displace the piston in the squeezing direction, which piston rod partially reaches into the piston and is axially displaceable towards the latter. The piston is provided with an elastic resetting device at its front end area positioned in the direction towards the dental material. The elastic resetting device can be biased in the squeezing direction, and returns back to its relaxed position after the end of each axial movement of the piston in the squeezing direction and release of the pressure exerted on the piston rod for this purpose. Dripping of excess dental material is prevented from the application device by creating a partial vacuum inside the basic body, with the elastic resetting device pressing the piston rod in a direction opposite the squeezing direction. When the piston rod is actuated in the squeezing direction, the bias in the resetting device is limited by a stop pointing in the squeezing direction and acting together with the piston rod and in particular being positioned at a spatial distance from the resetting device.06-09-2011
20110130486Materials Based on Radically Polymerizable N,O-Functionalized Acrylic Acid Hydroxamides - The present invention relates to a dental material comprising, relative to the total mass of the material: 06-02-2011
20110118380Filled Dental Material Based on Polymerizable Dihydroxy-Phenylalanine Derivatives - Polymerizable dental material which contains (a) at least one radically polymerizable compound according to the general formula I05-19-2011
20110059836Lithium Silicate Materials - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.03-10-2011
20110054066USE OF POLYMERIZABLE MACROCYCLIC POLYETHERS AND MACROCYCLIC HETEROANALOGOUS POLYETHERS IN DENTAL MATERIALS - Radically polymerizable macrocyclic polyethers or macrocyclic heteroanalogous polyethers, preferably crown ethers, heteroanalogous crown ethers and cryptands for use in dental materials is disclosed.03-03-2011
20110042880HOLDER FOR CAD/CAM BLANKS - A holder for affixing a mill blank for the manufacture of a dental article in a housing of a milling unit of a CAD/CAM system, wherein the holder includes a joining surface for joining to the mill blank, a securing shaft having at least one securing surface for securing to a housing of a milling unit of a CAD/CAM system, wherein the securing shaft comprises an essentially polygonal shape with at least two lateral surfaces, wherein at least two of the lateral surfaces are arranged adjacent to each other and extend at right angles to each other; and wherein the securing surface, in cross-sectional view, extends substantially perpendicular to a radius of the securing shaft extending essentially through the center of the securing surface and comprises a width that is less than the width of a lateral surface.02-24-2011
20110021336Phosphosilicate Glass Ceramic - A phosphosilicate glass ceramic with nanoscale fluoroapatite and leucite crystals. The glass ceramic is very similar to natural tooth material in terms of its optical properties. The glass ceramic has a low linear thermal expansion coefficient and a low pressing temperature and is therefore particularly suitable for pressing on metal alloys to produce dental restoration.01-27-2011
20110009254Lithium Silicate Materials - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.01-13-2011
20100283188METHOD AND DEVICE FOR THE GENERATIVE PRODUCTION OF A SHAPED BODY HAVING NON-PLANAR LAYERS - The present invention relates to a method for the generative production of a shaped body (11-11-2010
20100249305SLIP FOR THE PREPARATION OF DENTAL CERAMICS BY A HOT-MELT INKJET PRINTING PROCESS - Slip for use in a hot-melt inkjet printing process which contains (A) ceramic particles, (B) wax and (C) at least one radically polymerizable monomer, and use of the slip to prepare dental restorations. Furthermore, a process for the preparation of a green compact is described, in which the slip is moulded in layers to the geometrical shape of the green compact and subjected to a radical polymerization in order to obtain a cured green compact.09-30-2010
20100240796UNIVERSAL DENTAL ADHESION-PROMOTER COMPOSITION - The invention relates to an adhesion-promoter composition for the adhesive joining of metallic or ceramic dental materials to radically curing dental materials, wherein the adhesion-promoter composition contains an alkoxysilane monomer (i), a phosphoric acid ester monomer (ii), a sulphur-containing monomer (iii) and an organic solvent (iv).09-23-2010
20100240795SELF-ADHESIVE MULTICOMPONENT DENTAL MATERIAL - Curable multicomponent dental material, including a first paste, which contains (i) one or more acid group-free radically polymerizable monomers and (ii) basic filler, and a second paste, which contains (iii) one or more acid group-containing radically polymerizable monomers and (iv) non-basic filler, wherein the multicomponent dental material contains at least one initiator (v) for radical polymerization in at least paste (A) or (B).09-23-2010
20100233658ADDRESSABLE MATRICES/CLUSTER BLANKS FOR DENTAL CAD/CAM SYSTEMS AND OPTIMIZATION THEREOF - A cluster mill blank includes a framework constructed to cooperate with a blank holder of an existing CAD/CAM system, and a plurality of sub-blanks attached to the framework forming an addressable matrix or cluster blank. CAD/CAM systems including such a framework, as well as associated methods are described.09-16-2010
20100133711METHOD OF FORMING A DENTAL ARTICLE - A method of making a dental article including a pressable body possessing a flexural strength of at least 125 MPa and flowable at about 850° C. to about 950° C. The body is composed of at least a glass matrix phase having a composition comprising Li06-03-2010
20100058588Machining of Ceramic Materials - Milling strategies for machining dental ceramic materials are provided that reduce milling time while maintaining strength, accuracy and marginal integrity.03-11-2010
20100041790SELF-ETCHING DENTAL MATERIALS BASED ON (METH)ACRYLAMIDE PHOSPHATES - Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I):02-18-2010
20100029801LIGHT-CURING SLIPS FOR THE STEREOLITHOGRAPHIC PREPARATION OF DENTAL CERAMICS - Slip based on a polyreactive binder, polymerization initiator and filler, which contains (A) 5-65 wt.-% polymerizable binder, (B) 0.001-1.0 wt.-% photoinitiator and (C) 35-90 wt.-% surface-modified ceramic and/or glass ceramic particles relative to the overall mass of the slip, and process for the preparation of ceramic mouldings by rapid prototyping processes using the slip.02-04-2010
20100025874PRIMARY PARTICLES COATED WITH A CHROMOPHORIC COMPONENT - The invention relates to primary particles of oxide-ceramic material, wherein the primary particles have an average particle size in the range from 10 to 1000 nm and are coated with a chromophoric component, a process for their preparation and their use in particular in the preparation of ceramic mouldings and dental restorations. The invention further relates to a suspension based on oxide-ceramic material which contains the primary particles, and a process for the preparation of a ceramic mouldings.02-04-2010
20090291820Lithium Silicate Materails - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.11-26-2009
20090239971POLYMER-COATED GLASS FILLER FOR USE IN DENTAL MATERIALS - Filler based on glass particles which contain a homo- or copolymer of vinyl chloride on the surface, process for its preparation and its use as a dental material.09-24-2009
20090239967POLYMERIZABLE COMPOSITIONS WITH INITIATORS CONTAINING SEVERAL GE ATOMS - Composition with at least one polymerizable binder and one polymerization initiator, which contains at least one acylgermanium compound according to general Formula (I),09-24-2009
20090239199Method for Preparing Dental Restorations - The present invention relates to a method for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced through a system of channels in a press mold into a mold cavity in the press mold, wherein the mold cavity corresponds to a dental restoration.09-24-2009
20090186960DENTAL MATERIALS WITH SURFACE-FUNCTIONALIZED FILLERS - The invention relates to a polymerizable composition which is characterized in that it contains at least one filler that is surface-functionalized with groups of formula (I), wherein groups of formula (I)07-23-2009
20090139433DENTAL MATERIALS BASED ON ALKYLENEDIAMINE-N,N,N',N'- TETRAACETIC ACID- (METH)ACRYLAMIDES - The present invention relates to an alkylenediamine-N,N,N′,N′-tetraacetic acid-(meth)acrylamide of formula (I)06-04-2009
20090136901Method and System for Preparing Dental Restorations - The present invention relates to a method and a system for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced through a system of channels in a press mold into a mold cavity in the press mold, wherein the mold cavity corresponds to a dental restoration.05-28-2009
20090130634ADDRESSABLE MATRICES/CLUSTER BLANKS FOR DENTAL CAD/CAM SYSTEMS AND OPTIMIZATION THEREOF - A cluster mill blank includes a framework constructed to cooperate with a blank holder of an existing CAD/CAM system, and a plurality of sub-blanks attached to the framework forming an addressable matrix or cluster blank. CAD/CAM systems including such a framework, as well as associated methods are described.05-21-2009
20090113936Dental Glass - The present invention relates to a dental glass containing 50 to 70 wt. % of SiO05-07-2009
20090060624Pen-Like Dispenser - A dispenser includes: a body, at least a portion of the body being substantially cylindrical; a tank constructed and configured to contain a flowable material; a tip, the tip comprising an opening through which the flowable material is dispensed; an ejection mechanism constructed and configured to urge the flowable material from the tank through the opening in the tip; and an advancing mechanism constructed and configured to move the ejection mechanism within the tank. The dispenser further includes one or more features directed at improving the ergonomics, dispensing functionality and/or operation thereof, especially (but not exclusively) for such dispensers to be utilized in connection with dispensing dental materials.03-05-2009
20090047691Method for detecting a microorganism in a liquid sample - A method for the detection of a microorganism in a liquid sample, and in particular a method for the quantitative or semi-quantitative detection of a cariogenic microorganism such as a certain bacterium, for example in a saliva sample is described. Moreover, a test strip and test system with at least two test strips is described which are suitable for use in the described detection methods. Also, kits for carrying out detection methods according to the invention are also described.02-19-2009
20090042714LITHIUM SILICATE GLASS CERAMIC - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.02-12-2009
20090042713LITHIUM SILICATE GLASS CERAMIC - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.02-12-2009
20090038508LITHIUM SILICATE GLASS CERAMIC - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.02-12-2009
20090038344LITHIUM SILICATE GLASS CERAMIC - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.02-12-2009
20090036612Material for Producing Plastic Molded Parts that can be Used in the Field of Dentistry - The present invention relates to a material for the preparation of plastic molded articles which can be used in the dental field, in particular of dental prostheses, and to the use thereof.02-05-2009
20090023574Dental glass ceramics - The invention relates to dental glass-ceramics and a process for producing them and their use, with these comprising at least one crystal phase containing xenotime or monazite or mixtures thereof.01-22-2009
20090023112Addressable Matrices/Cluster Blanks for Dental CAD/CAM Systems and Optimization Thereof - A cluster mill blank includes a framework constructed to cooperate with a blank holder of an existing CAD/CAM system, and a plurality of sub-blanks attached to the framework forming an addressable matrix or cluster blank. CAD/CAM systems including such a framework, as well as associated methods are described.01-22-2009
20080318189Solid Free-Form Fabrication Methods For The Production of Dental Restorations - Solid free form fabrication techniques can be utilized indirectly to manufacture substrates, dies, models, near-net shapes, shells, and wax-ups that are then used in the manufacture of dental articles. Digital light processing is the most preferred indirect method for the production of substrates. After the substrates are produced, various coating or deposition techniques such as gel casting, slip casting, slurry casting, pressure infiltration, dipping, colloidal spray deposition or electrophoretic deposition are used to manufacture the dental article.12-25-2008
20080317682Tooth Bleaching Agent - A bleaching agent for brightening teeth that is comprised of a solvent, a pharmaceutically acceptable oxidation agent, and a varnish former. A kit that includes a bleaching agent and lip and cheek retractor.12-25-2008
20080303181Shaded Zirconia Ceramics - The invention relates to compositions based on Ce-stabilized ZrO12-11-2008
20080277814Polymerizable compositions with acylgermanium compounds - Composition with at least one polymerizable binder and at least one polymerization initiator, which contains at least one acylgermanium compound according to general Formula (I),11-13-2008
20080274440Dental Implant Abutment - A dental implant abutment for attaching a dental prosthesis within a patient's mouth. The abutment is a single unit structure fabricated of a ceramic material, multicolored throughout to match the color of the dental prosthesis, the surrounding dentition and the surrounding gingival tissue.11-06-2008
20080234405Materials based on radically polymerizable N,O-functionalized acrylic acid hydroxamides - A material contains at least a polymerizable N,O-functionalized acrylic acid hydroxyamide of the Formula (I)09-25-2008

Patent applications by IVOCLAR VIVADENT AG