Patents by Inventor Stephan Holzner
Stephan Holzner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180042706Abstract: The invention relates to a method in which at a first location (A), such as a dental technician's laboratory or a dentist's surgery, digital image data (18) in the form of single images and/or image sequences are generated and these are transmitted to a second location (B), such as a production centre for denture parts, wherein the digital image data (18) and/or image sequences relate to information on the manufacture of denture parts (15). Furthermore, the invention relates to a scanning device for obtaining data records of dental models with a scanning appliance, such as a scanning head and with a camera, wherein remote data transmission means (8) are provided for transmitting digital image data (18) from the camera in the form of single images and/or image sequences to another location (B), such as a production centre.Type: ApplicationFiled: October 15, 2008Publication date: February 15, 2018Inventors: Gerhard Weber, Stephan Holzner
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Patent number: 8994717Abstract: Method for modelling an individual dental prosthesis, which includes an abutment, wherein a first geometry is ascertained by a detection device, wherein an auxiliary element is affixed to at least one manipulation implant/implant, and a first data set is determined therefrom. A second data set describing a geometry having at least one manipulation implant/implant without an auxiliary element is ascertained. Using the second data set, which includes no data from auxiliary elements, or using the first and second data sets, a direction of insertion is determined by which a dental prosthesis part is to be pushed onto the abutment. A production method and a system for modelling an individual dental prosthesis and a computer-readable medium having instructions, which, when loaded into a computer, execute the methods A further method is provided for automatically determining a direction of insertion for a dental prosthesis part.Type: GrantFiled: January 26, 2009Date of Patent: March 31, 2015Assignee: Straumann Holding AGInventors: Stephan Holzner, Gerhard Weber
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Patent number: 8982201Abstract: A surface mapping and generating device which has devices for the process and/or cost optimization, in particular raw material recovery devices, an automatic control of the intensity of a used laser light, devices for carrying out a calibrating procedure by evaluating overlap errors at matching points, devices for archiving especially three-dimensional data of the jaw and/or for modeling the bite position of the upper and the lower jaws, devices for the optimized preparation of at least one dental stump for the production and placement of a dental prosthesis thereon and/or devices for taking into consideration the bite position of the upper and lower jaws.Type: GrantFiled: July 7, 2011Date of Patent: March 17, 2015Assignee: Institut Straumann AGInventors: Gerhard Weber, Albert Mehl, Stephan Holzner, Wolfram Gloger
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Patent number: 8922635Abstract: A surface mapping and generating device which has devices for the process and/or cost optimization, in particular raw material recovery devices, an automatic control of the intensity of a used laser light, devices for carrying out a calibrating procedure by evaluating overlap errors at matching points, devices for archiving especially three-dimensional data of the jaw and/or for modeling the bite position of the upper and the lower jaws, devices for the optimized preparation of at least one dental stump for the production and placement of a dental prosthesis thereon and/or devices for taking into consideration the bite position of the upper and lower jaws.Type: GrantFiled: July 7, 2011Date of Patent: December 30, 2014Assignee: Institut Straumann AGInventors: Gerhard Weber, Albert Mehl, Stephan Holzner, Wolfram Gloger
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Patent number: 8408902Abstract: A material for dentures having a 3-point bending strength of at least 1300 MPa, dentures produced from said type of material, corresponding blank materials, a method for producing blanks, and a method for producing a denture part made from said material or a blank.Type: GrantFiled: June 18, 2007Date of Patent: April 2, 2013Assignee: Institut Straumann AGInventors: Stephan Holzner, Gerhard Weber
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Patent number: 8206152Abstract: Method for producing a base part of a set of artificial teeth, or a set of artificial teeth having a base part, comprising the step of forming the base part by a rapid prototyping process, e.g. 3D lithography and, in particular, 3D laser lithography. Furthermore, the invention relates to a method of establishing a data set representing the shape of a base part of a set of artificial teeth, wherein a gum area or a model thereof is scanned and/or a model of a base part is scanned and/or the shape of the base part is simulated on a computer.Type: GrantFiled: January 3, 2008Date of Patent: June 26, 2012Assignee: Institut Straumann AGInventors: Stephan Holzner, Gerhard Weber
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Publication number: 20120009541Abstract: Device for holding a model of a dental prosthesis part, such as an abutment, including a first portion in which the mode of the dental prosthesis part can be modeled on and a second portion which allows a definite position identification of the holder, as well as a device for scanning objects, such as a jaw model and/or dental models and/or saw tooth model sections, comprising a holder in which an above-mentioned device with a definite position orientation can be held and scanned. Also provided is a method of generating a digital model of a dental prosthesis part, such as an abutment, including the steps of evaluating the scan data for detecting at least one part of the shape of the dental prosthesis part and evaluation of the scan data to detect at least the position of the holder, a data carrier with instructions to carry out such a method as well as a method of manufacturing a dental prosthesis part.Type: ApplicationFiled: September 21, 2011Publication date: January 12, 2012Applicant: Institut Straumann AGInventors: Stephan HOLZNER, Gerhard Weber
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Publication number: 20110269098Abstract: A surface mapping and generating device which has devices for the process and/or cost optimization, in particular raw material recovery devices, an automatic control of the intensity of a used laser light, devices for carrying out a calibrating procedure by evaluating overlap errors at matching points, devices for archiving especially three-dimensional data of the jaw and/or for modeling the bite position of the upper and the lower jaws, devices for the optimized preparation of at least one dental stump for the production and placement of a dental prosthesis thereon and/or devices for taking into consideration the bite position of the upper and lower jaws.Type: ApplicationFiled: July 7, 2011Publication date: November 3, 2011Applicant: Institut Straumann AGInventors: Gerhard Weber, Albért Mehl, Stephan Holzner, Wolfram Gloger
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Publication number: 20110262885Abstract: A surface mapping and generating device which has devices for the process and/or cost optimization, in particular raw material recovery devices, an automatic control of the intensity of a used laser light, devices for carrying out a calibrating procedure by evaluating overlap errors at matching points, devices for archiving especially three-dimensional data of the jaw and/or for modeling the bite position of the upper and the lower jaws, devices for the optimized preparation of at least one dental stump for the production and placement of a dental prosthesis thereon and/or devices for taking into consideration the bite position of the upper and lower jaws.Type: ApplicationFiled: July 7, 2011Publication date: October 27, 2011Applicant: Institut Straumann AGInventors: Gerhard Weber, Albert Mehl, Stephan Holzner, Wolfram Gloger
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Patent number: 8026943Abstract: A surface mapping and generating device which has devices for the process and/or cost optimization, in particular raw material recovery devices, an automatic control of the intensity of a used laser light, devices for carrying out a calibrating procedure by evaluating overlap errors at matching points, devices for archiving especially three-dimensional data of the jaw and/or for modeling the bite position of the upper and the lower jaws, devices for the optimized preparation of at least one dental stump for the production and placement of a dental prosthesis thereon and/or devices for taking into consideration the bite position of the upper and lower jaws.Type: GrantFiled: February 6, 2008Date of Patent: September 27, 2011Assignee: Institut Straumann AGInventors: Gerhard Weber, Albert Mehl, Stephan Holzner, Wolfram Gloger
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Patent number: 8021154Abstract: A method for manufacturing one or several dental prostheses, comprising the steps of: performing a rapid prototyping method for manufacturing one or several dental prostheses and subsequent working, such as reworking, of the one or several dental prostheses with a machining method, such as a milling method. In addition, a method for creating a data record which can be used for a rapid prototyping method for manufacturing a dental prosthesis wherein an end data record is obtained from a starting data record, so that in at least one area of a dental prosthesis manufactured with the end data record excess material is provided, compared to a dental prosthesis manufactured with the starting data record.Type: GrantFiled: March 27, 2008Date of Patent: September 20, 2011Assignee: Straumann Holding AGInventors: Stephan Holzner, Gerhard Weber
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Patent number: 7965860Abstract: The present invention relates to a device for scanning a split-cast model, said split-cast model covering the area of a plurality of tooth sites and comprising a plurality of model parts, said device comprising: an optical scanning system (2) for one or for a plurality of split-cast models having a scanning area (3) with a width between 5 mm and 100 mm, the scanning system being adapted to be used for acquiring first data from a survey scan covering a plurality of model parts and second data from an individual scan covering only one model part, said first and second data representing the model with different/identical resolutions and/or different/identical completeness, a memory means for storing at least said first and second data, means for 3D matching said first and second data, a base plate, and further comprising a holding device for a split-cast model and/or individual model parts, which is adapted to be arranged on said base plate.Type: GrantFiled: February 15, 2007Date of Patent: June 21, 2011Assignee: Institut Straumann AGInventors: Stephan Holzner, Gerhard Weber
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Publication number: 20110136080Abstract: Method for modelling an individual dental prosthesis, which includes an abutment, wherein a first geometry is ascertained by a detection device, wherein an auxiliary element is affixed to at least one manipulation implant/implant, and a first data set is determined therefrom. A second data set describing a geometry having at least one manipulation implant/implant without an auxiliary element is ascertained. Using the second data set, which includes no data from auxiliary elements, or using the first and second data sets, a direction of insertion is determined by which a dental prosthesis part is to be pushed onto the abutment. A production method and a system for modelling an individual dental prosthesis and a computer-readable medium having instructions, which, when loaded into a computer, execute the methods A further method is provided for automatically determining a direction of insertion for a dental prosthesis part.Type: ApplicationFiled: January 26, 2009Publication date: June 9, 2011Inventors: Stephan Holzner, Gerhard Weber
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Patent number: 7899221Abstract: Surface mapping and/or generation device is provided, with a device for mapping 3D data of at least one denture base object such as a tooth stump or an implantation abutment, and an environment thereof, as well as with a device for the data-based generation and production of a denture part incorporating the 3D data of the denture base object. Additionally provided are a device for determining and/or defining a placement direction of the denture part that is to be slipped onto the denture base object, and a device for determining and producing a primary part that is to be slipped onto the denture base object before the denture part and that yields a desired placement direction for the denture part which is different from the placement direction that exists for slipping the primary part onto the denture base object. The device for data-based generation and production of a denture part is designed to generate and produce the latter by incorporating the 3D data of the primary part.Type: GrantFiled: March 31, 2005Date of Patent: March 1, 2011Assignee: Institut Straumann AGInventors: Gerhard Weber, Stephan Holzner
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Publication number: 20100233659Abstract: Method of designing a tooth replacement part, which is intended to be mountable on a residual tooth area and in which a spacing (1) is provided between the tooth replacement part (2) and the residual tooth area (3), and the subsequent step of examining whether one or more undercuts (4) exist in the tooth replacement part. Method of processing a designed tooth replacement part having one or a plurality of undercuts, wherein a spacing is provided between the tooth replacement part and a residual tooth area and wherein a shape of the spacing is modified so as to remove the undercut or undercuts from the tooth replacement part. Method of avoiding the formation of undercuts originating from the provision or the modification of a spacing. Tooth replacement part having a spacing, wherein the spacing of the tooth replacement part has first and second spacing areas and an intermediate transition area, said transition area being free from undercuts. Computer-readable medium with instructions for said methods.Type: ApplicationFiled: July 24, 2008Publication date: September 16, 2010Applicant: INSTITUT STRAUMANN AGInventors: Stephan Holzner, Gerhard Weber
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Patent number: 7774080Abstract: The invention relates to a method for manufacturing dental prostheses, wherein from a raw material area, such as a blank, a dental prosthesis is manufactured (milled out) at a manufacturing position, such as a milling position, the manufacturing position of one or more dental prostheses being determined on the basis of one or more predetermined criteria. Furthermore, the invention relates to a method for checking a worked raw material area and/or a manufacturing arrangement for a raw material area, wherein it is checked whether one or more manufacturing shapes can still be manufactured from a number of predetermined manufacturing shapes. Moreover, the invention relates to a method for manufacturing a dental prosthesis, wherein from a raw material area a dental prosthesis is manufactured, wherein a raw material is selected from a plurality of raw material areas on the basis of one or more predetermined criteria.Type: GrantFiled: July 13, 2006Date of Patent: August 10, 2010Assignee: Institut Straumann AGInventors: Stephan Holzner, Gerhard Weber
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Publication number: 20100106276Abstract: The invention relates to a method of modelling a denture supply, such as a bridge construction, a crown, a cap, a set of artificial teeth or the like, said method comprising the following steps: creating or loading a first data record recording the shape of an initial situation before any treatment, such as the extraction or grinding of one or of a plurality of teeth, and creating or loading a second data record recording the shape of a post-treatment situation, and using the first and second data records for modelling the denture supply. The invention also relates to associated computer-readable data carriers and a computer.Type: ApplicationFiled: January 9, 2008Publication date: April 29, 2010Applicant: etkon Centrum fur dentale CAD/CAM-Technologie AGInventors: Stephan Holzner, Gerhard Weber
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Publication number: 20100086899Abstract: Method for producing a base part of a set of artificial teeth, or a set of artificial teeth having a base part, comprising the step of forming the base part by a rapid prototyping process, e.g. 3D lithography and, in particular, 3D laser lithography. Furthermore, the invention relates to a method of establishing a data set representing the shape of a base part of a set of artificial teeth, wherein a gum area or a model thereof is scanned and/or a model of a base part is scanned and/or the shape of the base part is simulated on a computer.Type: ApplicationFiled: January 3, 2008Publication date: April 8, 2010Applicant: ETKON CENTRUM FÜR DENTALE CAD/CAM-TECNOLOGIE AGInventors: Stephan Holzner, Gerhard Weber
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Patent number: 7689308Abstract: The invention relates to the examination of a dental prosthesis, wherein the dental prosthesis is examined with finite element methods. Furthermore, the invention relates to the automated manufacture of a dental prosthesis, wherein the shape of a remaining tooth area is directly determined on the basis of the remaining tooth area itself. Furthermore, the invention relates to a method, wherein manufacturing data (milling data) which have been created with a system for calculating manufacturing data (system for calculating milling data) are optionally forwarded to one or another manufacturing machine (milling machine) at different locations.Type: GrantFiled: July 13, 2006Date of Patent: March 30, 2010Assignee: Institut Straumann AGInventors: Stephan Holzner, Gerhard Weber
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Publication number: 20100015573Abstract: A material for dentures having a 3-point bending strength of at least 1300 MPa, dentures produced from said type of material, corresponding blank materials, a method for producing blanks, and a method for producing a denture part made from said material or a blank.Type: ApplicationFiled: June 18, 2007Publication date: January 21, 2010Applicant: etkon Centrum fur dentale CAD/CAM- Technologie AGInventors: Stephan Holzner, Gerhard Weber