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Ivoclar Vivadent Ag patents


Recent patent applications related to Ivoclar Vivadent Ag. Ivoclar Vivadent Ag is listed as an Agent/Assignee. Note: Ivoclar Vivadent Ag may have other listings under different names/spellings. We're not affiliated with Ivoclar Vivadent Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Ivoclar Vivadent Ag-related inventors


Dental light curing device

The invention relates to a dental light-curing device (10) provided for dental material to be cured, which comprises a handpiece (20) and a base station, wherein the handpiece (20) has a light source, in particular having a plurality of led chips (42, 44, 46 and 48), which—with respect to the optical axis—are arranged one next to the other, a control device (22) for the light source and at least one sensor, which is arranged adjacent to the light source, wherein—again with respect to the optical axis—a light guiding device, in particular a light guide rod (12), extends in front of the light source, which light guide rod (12) has a passband for wavelengths which comprises at least blue visible light and, in particular, also green visible light and uv light, and having a selecting device for control programs of the control device (22), in particular a push button on the handpiece (20). The invention is characterized by comprising a control device (22) and also a “pre-curing” control program, which can be selected by means of the selecting device, and in which the light-curing device can be activated with a secondary wavelength range, which is different from a light-curing main wavelength range, and the light radiation of which is outside the sensitivity range of the dental material to be cured. ... Ivoclar Vivadent Ag

Lithium silicate glass ceramic and lithium silicate glass comprising a pentavalent metal oxide

Lithium silicate glass ceramics and glasses containing specific oxides of pentavalent elements are described which crystallize at low temperatures and are suitable in particular as dental materials.. . ... Ivoclar Vivadent Ag

Dental prosthesis

The invention relates to a dental prosthesis, produced from a one-piece or two-piece prosthesis blank which is constructed from a gum-colored material and a tooth-colored material (32), in particular in each case on a plastic base. It is characterized by the tooth-colored material (32) of the blank (10) which, in the blank state, has a size larger than a human dental arch. ... Ivoclar Vivadent Ag

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Lithium silicate diopside glass ceramics

Lithium silicate-diopside glass ceramics are described which are characterized by a controllable translucence and can be satisfactorily processed mechanically and therefore can be used in particular as restoration material in dentistry.. . ... Ivoclar Vivadent Ag

Light curing device

The invention comprises a light curing device with a light source (30) and a light guiding device, in particular a light guiding rod (18) with a light entry surface (31) that extends next to the light source (30) if regarded in the emission direction of the light source (30), and with at least one sensor (36) that is arranged next to the light entry surface (31), and with a control device (32) that is arranged within a handpiece (14) of the light curing device (10). The light curing device (10) further comprises a base station (12) of the light curing device (10). ... Ivoclar Vivadent Ag

Dental furnace

The invention concerns a dental furnace, with a furnace base and with a furnace hood, wherein the furnace hood includes a firing chamber for the accommodation of dental restorations, with a temperature sensor that records the temperature of the dental restoration and which is connected to a control device which controls the dental furnace, and the dental furnace (10) includes a drive unit (18) for the furnace hood (16) and the control device (30) controls the drive unit (18) based on the temperature recorded by the temperature sensor (20), namely opens the furnace hood.. . ... Ivoclar Vivadent Ag

Lithium silicate glass ceramic and glass with divalent metal oxide

Lithium silicate glass ceramics and glasses containing specific oxides of divalent elements are described which crystallize at low temperatures and are suitable in particular as dental materials.. . ... Ivoclar Vivadent Ag

Pre-sintered blank for dental purposes

Pre-sintered blanks based on lithium metasilicate glass ceramic are described which are suitable in particular for the preparation of dental restorations.. . ... Ivoclar Vivadent Ag

Compositions 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.. . ... Ivoclar Vivadent Ag

Single- or multi-unit dental restoration, and method of producing the same

The invention relates to a single- or multi-unit dental restoration, which consists of a support structure and a veneer, which support structure is in particular made from oxide ceramics by means of additive manufacturing, particularly preferably by means of rapid prototyping, wherein the veneer is produced by pressing a ceramic material, such as a glass ceramic or composite material, which is more translucent than the support structure, characterized in that the veneer fills and/or penetrates recesses of the support structure (12) configured as a net or frame structure or as a reinforcement, wherein it is particularly provided that the recesses penetrate through the support structure (12).. . ... Ivoclar Vivadent Ag

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08/24/17 / #20170239024

Addressable 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.. ... Ivoclar Vivadent Ag

08/17/17 / #20170231729

Abutment tool set and device for producing tooth replacements

Device for producing tooth replacements, which device has a milling cutter (36) for shaping the front face of the tube portion (16), which milling cutter (36) has at least one abutment face which is intended to bear at least indirectly on a surface of the abutment (10), in particular on the collar (14) of the abutment, and via which milling cutter (36) the length or height of the tube portion (16) of the abutment (10) can be fixed, in particular the tube portion can be shaped. Tool set consisting of a milling cutter (36) and of a sleeve (42), wherein at least one abutment face (76) is formed on the milling cutter and extends towards the sleeve (42), and wherein the sleeve (42) has a supporting face (78), in particular for supporting on an abutment (10).. ... Ivoclar Vivadent Ag

08/10/17 / #20170225283

Dental machine tool

The invention relates to a dental machine tool, in particular a dental milling machine (10), having a tool (12) that is changeable in particular via a tool bank (16), and a workpiece holder (14) for receiving a workpiece such as a dental blank made of ceramic, composite or plastics material such as pmma, and having a housing (24) which is closable during machining by the machine tool, and having a negative-pressure connection to the housing (24). At least one air nozzle (30) that is fitted on or in the housing (24) is directed towards the workpiece and/or the workpiece holder (14) and/or the tool (12) and/or the tool bank (16) and/or a pane of a front flap of the machine tool. ... Ivoclar Vivadent Ag

08/10/17 / #20170224591

Light-curing dental composites with increasing opacity

Radically polymerizable dental material which contains (a) at least one polyfunctional radically polymerizable monomer, (b) at least one further radically polymerizable monomer which can be monofunctional or polyfunctional, (c) at least one photoinitiator for the radical polymerization and (d) at least one filler. The material is characterized in that the mixture of the monomers (a) and (b) has a refractive index of from 1.50 to 1.70 and in that the refractive index of the monomer mixture before the curing corresponds to the refractive index of the filler used or is higher by up to 0.013 and after the curing is higher than the refractive index of the filler by at least 0.02.. ... Ivoclar Vivadent Ag

07/13/17 / #20170196659

Film clamping element

The invention relates to a film clamping element, in particular for carrying out dental treatment in the mouth area of a patient, comprising a vestibular ring (14) and a lip ring (12), between which and optionally beyond which a film (16) extends. The film is held in a stretched manner by the rings, and the film (16) and the rings are elastically deformable, in particular the film and the rings can be pressed together into a substantially oval shape. ... Ivoclar Vivadent Ag

06/08/17 / #20170158552

Lithium 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.. . ... Ivoclar Vivadent Ag

05/11/17 / #20170128328

Photopolymerizable and dual-curing dental materials based on thiourea derivatives

Radically polymerizable dental material which contains as initiator for the radical polymerization a combination of a thiourea derivative and a bisacyldialkylgermanium compound.. . ... Ivoclar Vivadent Ag

05/11/17 / #20170128157

Dental hand tool

The dental hand tool is arranged with a handle comprising at least a connector and a coupling member at one end thereof. The dental hand tool is in particular provided with a second connector and a second coupling member at the other end of the handle. ... Ivoclar Vivadent Ag

05/04/17 / #20170121216

Lithium silicate glass ceramic and glass with tetravalent metal oxide

Lithium silicate glass ceramics and glasses containing specific oxides of tetravalent elements are described which crystallize at low temperatures and are suitable in particular as dental materials.. . ... Ivoclar Vivadent Ag

05/04/17 / #20170119508

Glass ceramic having a quartz solid solution phase

Quartz solid solution glass ceramics and precursors thereof are described, which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.. . ... Ivoclar Vivadent Ag

03/30/17 / #20170088456

Glass ceramic with sio2 as the main crystalline phase

Glass ceramics having sio2 as main crystal phase and precursors thereof are described which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.. . ... Ivoclar Vivadent Ag

03/09/17 / #20170065382

Dental furnace

The invention relates to a dental furnace comprising a firing hood equipped with a heating device that is movably supported for the opening and closing of the dental furnace relative to a base intended for receiving a dental restoration part, and further comprising a heat detection device that is directed towards an area above the base, in particular towards one or more dental restoration parts, and further comprising a control or regulating device for the dental furnace that is coupled to the heat detection device, wherein the heat detection device is configured as a thermal imaging camera (30) which is directed towards the area above the base while the firing hood (12) is partially or completely opened, and which feeds an at least two-dimensional image in the form of a matrix of the one or more inserted dental restoration parts (60) to the control or regulating device and/or to a muffle (26) that is intended for the generation of the dental restoration parts (60).. . ... Ivoclar Vivadent Ag

02/16/17 / #20170042647

Device for producing dental ceramic

A device for producing dental ceramic, with a cad/cam device for preparing a compression molding cavity for producing the dental ceramic, wherein a cad device thereof, on the basis of scan data, determines the shape of the dental ceramic to be produced, and wherein a cam device thereof produces a positive model, on the basis of which the mold cavity is produced via a sacrificial mold (muffle). The cam device also determines the distribution and the transfer between different ceramic types, i.e. ... Ivoclar Vivadent Ag

02/02/17 / #20170030649

Dental furnace

In a dental furnace having a firing chamber (12) with a base and at least one receiving portion for dental restoration parts (40). The receiving portion has a plurality of support elements (26) that are arranged adjacent to one another and in particular have the same thickness, wherein said support elements (26) support the dental restoration part (40) during the firing process.. ... Ivoclar Vivadent Ag

01/26/17 / #20170020791

Adhesive dental materials with strongly acidic adhesive polymers

Radically polymerizable dental material which contains at least one radically polymerizable oligomer or polymer with strongly acidic groups, which has a number-average molecular weight of 1,000 to 200,000 g/mol.. . ... Ivoclar Vivadent Ag

01/12/17 / #dental material, which contains an ene compound with two or more c—c multiple bonds and a thiol according to general formula (1) or an oligomer based on such a thiol,

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01/12/17 / #20170007380

Dental restoration model

The invention relates to a dental restoration model comprising a positive model (15) of a dental restoration piece. Said positive model (15) defines at least the outer contour (36) of a dental restoration piece to be made using lost wax technology and is provided with a locating pin region which is defined especially according to a given optimization process. ... Ivoclar Vivadent Ag








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