Patents Represented by Attorney, Agent or Law Firm Alan S. Korman
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Patent number: 7648362Abstract: A dental restoration is provided which includes a base structure and a pre-fabricated over structure which at least partially covers the base structure. An interconnecting material interconnects hardened bite elements of the over structure with the base structure. In accordance with the method of producing a dental restoration, the interconnecting material applied onto the base structure is hardened fully after the over structure has first been applied onto the still malleable interconnecting material.Type: GrantFiled: February 19, 2004Date of Patent: January 19, 2010Assignee: Ivoclar - Vivedent AGInventors: Hans-Peter Foser, Urs Spirig
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Patent number: 7083350Abstract: An application device for applying a composite substance onto a site is provided that operably applies a composite substance formed of at least two reaction substances which react with one another. The application device includes a receptacle for receiving a fluid. The receptacle has a support element having a working end on which a reaction substance is supported and the receptacle is operable to guide the one reaction substance into reaction contact with another reaction substance to thereby effect the formation of the composite substance. The receptacle is configured with respect to another receptacle which receives therein a reaction substance such that the receptacle comprises either a shaft portion of a grip or the grip itself of the other receptacle adapted to be gripped by a user in deploying the other receptacle.Type: GrantFiled: May 6, 2002Date of Patent: August 1, 2006Assignee: Ivoclar Vivadent, AGInventor: Frank Muller
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Patent number: 6821117Abstract: A light hardening apparatus for effecting the photopolymerization of a light hardenable dental restoration material is provided and includes a plurality of light sources supported on semi-conductor bases, which are mounted on a substrate. The light sources are arranged in at least two light source groups such that one group of light sources is disposed for irradiating a region of the dental restoration material and another group of light sources is arranged for irradiating a different region of the dental restoration material. The two groups of light sources are controllable to irradiate their respective associated regions of the dental restoration material independently of one another.Type: GrantFiled: May 6, 2002Date of Patent: November 23, 2004Assignee: Ivocler Vivadent AGInventors: Peter Burtscher, Wolfgang Plank, Gottfried Rohner
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Patent number: 6769803Abstract: A calibration device for performing a temperature calibration of the temperature in an oven, especially an oven adapted for thermal treatment of a dental product, includes at least one metallicType: GrantFiled: April 17, 2003Date of Patent: August 3, 2004Assignee: Ivoclar Vivadent AGInventors: Heinrich Feichtinger, Rudolf Jussel
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Patent number: 6767109Abstract: A light hardening device is provided and includes a light source having a plurality of LEDs supplied by an electrical energy source, and a cooling device arranged upstream of the light source and operable to cool the light hardening device. The LED arrangement is disposed on a rear surface of a cooling body and the light hardening device has a connection in the manner of a halogen glow lamp. Also, a light source is provided having a plurality of LEDs, a cooling body on which the LEDs are mounted, and a connector element and an overall exterior geometry, each of which corresponds to the respective connector element and overall exterior geometry of a conventional reflecting halogen glow lamp having a rated voltage of 12 volts.Type: GrantFiled: June 20, 2002Date of Patent: July 27, 2004Assignee: Ivoclar Vivadent AGInventors: Wolfgang Plank, Gottfried Rohner, Thomas Stahl
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Patent number: 6758670Abstract: A dental set plate for supporting therein a set of replacement teeth includes a support body having a channel and a deformable mass disposed in the channel of the support body for releasably adhesively retaining a row of replacement teeth pressed thereinto. The dental set plate also includes a non-opaque hood covering the support body and the replacement teeth supported on the support body and product information indicia affixed to the hood. The dental set plate is dimensioned for stocking of the dental set plate in an index structure which retains dental set plates and the walls of the hood have an extent such that the walls terminate within the index structure in which the dental set plate is stocked.Type: GrantFiled: January 29, 2002Date of Patent: July 6, 2004Assignee: Ivoclar Vivadent AGInventor: Andreas Eggler
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Patent number: 6755652Abstract: A method for preparing dental restoration which is to be secured in the mouth of a dental patient includes providing a base plate with ready made x-ray opaque restorative teeth thereon, the base plate being formed in correspondence with the mouth of the patient in which the restorative teeth are to be fixedly secured. The base plate is temporarily situated in the patient's mouth and then the temporarily situated position of the base plate in the patient's mouth is observed, preferably via an x-ray. The temporarily situated position of the base plate in the patient's mouth is assessed to determine predetermined locations at which drill holes for facilitating the fixed securement of the restorative teeth in the patient's mouth are to bored.Type: GrantFiled: September 23, 2002Date of Patent: June 29, 2004Assignee: Ivoclar Vivadent AGInventor: Marco Nanni
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Patent number: 6746169Abstract: A substance applying apparatus is provided for applying a substance to an application location. An application element having a wetting body is partially received in an inner tube and the inner tube is received in an outer tube. A fluid connection between the inner space of the inner tube and the inner space of the outer tube is produced by the application of pressure on the substance applying apparatus. The inner tube is comprised of a softer material than the outer tube and at least the bottom of the inner tube is cut upon the application of pressure on the substance applying apparatus.Type: GrantFiled: July 21, 2003Date of Patent: June 8, 2004Assignee: Ivoclar Vivadent AGInventor: Frank Muller
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Patent number: 6741410Abstract: A light resolution element for a light guiding apparatus is provided that is connectable in optical communication with the light guiding apparatus for guiding and re-orienting light emitted thereto from the light guiding apparatus such that light exiting the light resolution element irradiates a dental restoration piece in a manner which effects complete hardening of the piece. The light resolution element includes a prismatic body operable to guide and re-orient a light beam passed thereto from the light guiding apparatus.Type: GrantFiled: May 6, 2002Date of Patent: May 25, 2004Assignee: Ivoclar Vivadent AGInventors: Wolfgang Plank, Thomas Stahl, Andreas Rathke
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Patent number: 6695614Abstract: A light beam hardening apparatus is provided for hardening a material, such as dental material, exposed to light emitted by the light beam hardening apparatus. The light beam hardening apparatus includes a semi-conductor light emitting source operable to emit light in the visible light spectral range of a light strength of at least 200 mW/cm2, a base receptacle for supporting the semi-conductor light emitting source, and a heat conducting connection for conducting heat from the semi-conductor light emitting source to the base receptacle. The semi-conductor light emitting source includes a plurality of light emitting chips or light emitting diodes (LED). The base receptacle includes a plurality of cradles each for supporting therein a respective one of the light emitting chips.Type: GrantFiled: December 13, 2001Date of Patent: February 24, 2004Assignee: Ivoclar Vivadent AGInventor: Wolfgang Plank
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Patent number: 6638069Abstract: Shaping cap made of ceramic, metal or plastic material, which is suitable as a solid constituent of dental pin structures.Type: GrantFiled: August 21, 2001Date of Patent: October 28, 2003Assignee: Ivoclar Vivadent AGInventors: Konrad Hagenbuch, Gerhard Zanghellini
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Patent number: 6612767Abstract: A substance applying apparatus for applying a substance to an application location. An application element having a wetting body is partially received in an inner tube and the inner tube is received in an outer tube. A fluid connection between the inner space of the inner tube and the inner space of the outer tube is produced by the application of pressure on the substance applying apparatus. The inner tube is comprised of a softer material than the outer tube and at least the bottom of the inner tube is deformable upon the application of pressure on the substance applying apparatus.Type: GrantFiled: April 2, 2002Date of Patent: September 2, 2003Assignee: Ivoclar Vivadent AGInventor: Frank Muller
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Patent number: 6524103Abstract: A cartridge for receiving and dispensing a paste has a cartridge body having a front end with a lateral outlet opening for dispensing the paste material. The cartridge body has a longitudinal center axis and the outlet opening has a central axis inclined forwardly relatively to the longitudinal center axis. The outlet opening has a width measured in the direction perpendicular to the longitudinal center axis and an axial length measured in the direction of the longitudinal center axis. The width and the length are different, and the width is preferably greater than the axial length.Type: GrantFiled: September 22, 2000Date of Patent: February 25, 2003Assignee: Ivoclar AGInventors: Siegbert Winkler, Peter Kunkel, Franz Hohenegger
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Patent number: 6524105Abstract: A dental model, in particular for practice purposes, is provided, and has a support plate with recesses for artificial teeth, each of which has a tooth stump that fits into the associated recess. A gum mass overlaps both the teeth of a row of teeth and the recesses. The teeth are each disengageably held on the plate and in their associated recess with friction.Type: GrantFiled: April 12, 2001Date of Patent: February 25, 2003Assignee: Ivoclar Vivadent AGInventor: Oscar Raffeiner
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Patent number: 6482004Abstract: A light curing device has a light source for curing light-polymerizable dental materials. A control circuit controls the light output of the light source according to a pre-determined output profile. The output profile has a starting time period with a decreased output relative to a maximum output, followed by a main curing time period. In the main curing time period, a pulsed output with alternating high output value and low output value is provided.Type: GrantFiled: March 24, 2000Date of Patent: November 19, 2002Assignee: Ivoclar AGInventors: Bruno Senn, Gottfried Rohner, Peter Burtscher
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Patent number: 6450717Abstract: An applicator kit, for dental purposes. has an application element with a grip area for handling, and also has a shaft, on a tip of which is disposed an application member, preferably in the form of a micro-brush that is provided with a reaction substance. A cup shaped sealing mechanism surrounds the shaft and the application member. The cup shaped sealing mechanism is slidably received within a housing which also receives a low velocity fluid initially spaced away from the cup-shaped sealing mechanism. The reaction substance on the application member is activated by pressing the sealing mechanism and application member into the fluid within the housing which causes the fluid to wet the application member.Type: GrantFiled: October 24, 2000Date of Patent: September 17, 2002Assignee: Ivoclar AG.Inventors: Ulrich Salz, Andre Rumphorst, Alexandros Gianasmidis, Frank Muller, Volker Rheinberger
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Patent number: 6394803Abstract: A mixing arrangement and method for mixing a substance for the field of dentistry are provided, with the production of the substance requiring at least one base material and one reactant. A catalyst is applied to a base surface as reactant in a solid or semi-solid layer. The unit comprising catalyst and base is prefabricated, and the base material, particularly in liquid form, can be applied or introduced to the base surface that is provided with the catalyst prior to using the substance. The substance can be applied ready for use by means of an application element after the catalyst and base material have been mixed.Type: GrantFiled: October 24, 2000Date of Patent: May 28, 2002Assignee: Ivoclar AGInventors: Ulrich Salz, Andre Rumphorst, Alexandros Gianasmidis, Frank Muller, Volker Rheinberger
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Patent number: 6382967Abstract: A dental apparatus has a display and an actuating device for selecting and activating operating programs for operating the dental apparatus. The display has a tooth schematic that is divided into indicator fields. The indicator fields may be distributed over a plurality of teeth so that each indicator field represents one tooth or may be used to indicate certain locations of an individual tooth.Type: GrantFiled: May 16, 2000Date of Patent: May 7, 2002Assignee: Ivoclar AG.Inventors: Gottfried Rohner, Bruno Senn
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Patent number: D487314Type: GrantFiled: January 13, 2003Date of Patent: March 2, 2004Assignee: Ivoclar Vivadent, Inc.Inventors: Lee Culp, Frank R. Lauciello
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Patent number: D618799Type: GrantFiled: July 11, 2009Date of Patent: June 29, 2010Assignee: Ivoclar Vivadent AGInventors: Wolfgang Plank, Bruno Senn, Reinhard Goerge