Patents Assigned to 3Shape A/S
  • Tip for an optical scanner
    Patent number: 10492893
    Abstract: Disclosed is a tip for an optical scanner, where said tip comprises a framework and an optical element. For some configurations the optical element is releasable attaching to the framework by a holding means of the tip. For some configurations the tip framework is formed in two materials of different thermal conductivities.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: December 3, 2019
    Assignee: 3SHAPE A/S
    Inventors: Mike Van Der Poel, Casper Rasmussen, Finn Hansen, Søren Greve Jensen
  • METHOD FOR PROVIDING A DENTAL PROSTHESIS AND A POSITIONING GUIDE FOR PLACING THE DENTAL PROSTHESIS
    Publication number: 20190350675
    Abstract: Disclosed herein is method for designing a dental prosthesis and a positioning guide for placing the dental prosthesis on implants in the jaw while maintain proper occlusion. In particular the method relates to a method for designing the dental prosthesis and the positioning guide prior to implant placement. Accordingly, the disclosure relates to a method and a kit of components suited for one-day implant surgery thereby reducing the time the patient spend in the dentist chair.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 21, 2019
    Applicant: 3SHAPE A/S
    Inventors: Birk Plönnigs, Rune Fisker
  • A SYSTEM AND METHOD FOR REPLACING A ROTATIONAL AXIS DECODER IN A SCANNING SYSTEM
    Publication number: 20190343478
    Abstract: A method for determining the position and/or orientation of at least one sensor system relative to the base structure of a scanning system during scanning of an object includes obtaining one or more tracking images using one or more cameras, where the cameras are in a fixed position with respect to the sensor system; and determining from the one or more tracking images the position and/or orientation of the sensor system relative to the base structure at a given time.
    Type: Application
    Filed: December 5, 2017
    Publication date: November 14, 2019
    Applicant: 3SHAPE A/S
    Inventors: Thomas Sangild SØRENSEN, Sami BRANDT
  • Scanning of edentulous patients
    Patent number: 10456229
    Abstract: Disclosed is a method for determining the relative arrangement of patient's jaws in a bite position when the patient's occlusion is not defined by natural teeth alone, where the method includes a step of obtaining a digital 3D representation including both surface data relating to dental tissue in one of the patient's jaws and surface data relating to a scan appliance arranged in relation to the jaw, where the scan appliance is configured for at least partly defining the patient's occlusion.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: October 29, 2019
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Lars Henriksen, Kristian Evers Hansen
  • METHOD OF REDUCING THE X-RAY DOSE IN AN X-RAY SYSTEM
    Publication number: 20190313995
    Abstract: A method of reducing the x-ray dose of a patient in an x-ray system includes defining a region of interest of the patient, obtaining at least two tracking images of a tracking element taken with at least one camera having a known positional relationship relative to an x-ray source and/or sensor, determining any movement of the tracking element between the acquisition of at least two tracking images, adjusting the collimator of the x-ray source to compensate for any movement of the tracking element between the acquisition of the at least two tracking images, providing that the field of exposure of the x-ray source is confined to the region of interest and obtaining at least one x-ray image of the region of interest after the adjustment of the collimator.
    Type: Application
    Filed: June 26, 2019
    Publication date: October 17, 2019
    Applicant: 3SHAPE A/S
    Inventor: Henrik Ojelund
  • Method for designing attachment abutments for attaching dentures to the mandible and/or maxilla
    Patent number: 10433938
    Abstract: Disclosed is a method for digitally designing at least two attachment abutments, each attachment abutment comprising an implant connection section adapted for connection to a respective implant along an implant axis, a transition section separating the implant connection section and an attachment section, wherein the attachment section is adapted for receiving a mating part.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: October 8, 2019
    Assignee: 3SHAPE A/S
    Inventor: Rune Fisker
  • DYNAMIC VIRTUAL ARTICULATOR FOR SIMULATING OCCLUSION OF TEETH
    Publication number: 20190290408
    Abstract: Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method includes the steps of: providing the virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth; providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur; wherein the method further includes: providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.
    Type: Application
    Filed: December 21, 2018
    Publication date: September 26, 2019
    Applicant: 3Shape A/S
    Inventors: Rune FISKER, Christophe Vasiljev Barthe, Kasper Kabel Kristensen, Tommy Sanddal Poulsen
  • FOCUS SCANNING APPARATUS
    Publication number: 20190289283
    Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.
    Type: Application
    Filed: June 6, 2019
    Publication date: September 19, 2019
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik ÔJELUND, Rasmus KJÆR, Mike van der POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
  • Visualizing a 3D dental restoration on a 2D image
    Patent number: 10413158
    Abstract: A method for visualizing a 3D dental restoration on a 2D image of the mouth of a patient includes obtaining a 3D dental model of at least a part of the patient's oral cavity, designing the 3D dental restoration, obtaining the 2D image of the mouth of the patient, estimating a virtual camera including at least one virtual camera property corresponding to at least one physical camera property of the physical camera used to obtain the 2D image, viewing the 3D dental restoration using the virtual camera, determining the visible area of the 3D dental restoration, which is not overlapped by surrounding anatomic features when viewed with the virtual camera, imaging the visible area of the 3D dental restoration with the 2D image. This advantageously provides an image which with high accuracy gives the dentist and the patient a visual presentation of the final result of a dental treatment.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: September 17, 2019
    Assignee: 3Shape A/S
    Inventors: Tais Clausen, Rune Fisker
  • Focus scanning apparatus recording color
    Patent number: 10383711
    Abstract: Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: August 20, 2019
    Assignee: 3SHAPE A/S
    Inventors: Bo Esbech, Christian Romer Rosberg, Mike Van Der Poel, Rasmus Kjaer, Michael Vinther, Karl-Josef Hollenbeck
  • Common Placement Support for Artificial Teeth
    Publication number: 20190247169
    Abstract: Disclosed is a method for manufacturing a denture including a denture base and at least two artificial teeth arranged in the denture base, wherein the method includes the steps of obtaining the denture base; manufacturing the at least two artificial teeth with a common placement support connected to the at least two artificial teeth for keeping the at least two artificial teeth in a desired relative arrangement, arranging the at least two artificial teeth on the denture base with the common placement support connected to the at least artificial teeth, attaching the at least two artificial teeth on the denture base, and removing the common placement support. This further ensures proper placement of the artificial teeth in the denture base of a denture.
    Type: Application
    Filed: October 10, 2017
    Publication date: August 15, 2019
    Applicant: 3SHAPE A/S
    Inventor: Rune FISKER
  • Method of reducing the x-ray dose in an x-ray system
    Patent number: 10376231
    Abstract: Disclosed herein is a method of reducing the x-ray dose of a patient in an x-ray system, comprising defining a region of interest of the patient, obtaining at least two tracking images of a tracking element taken with at least one camera having a known positional relationship relative to an x-ray source and/or sensor, determining any movement of the tracking element between the acquisition of at least two tracking images, adjusting the collimator of the x-ray source to compensate for any movement of the tracking element between the acquisition of the at least two tracking images, providing that the field of exposure of the x-ray source is confined to the region of interest and obtaining at least one x-ray image of the region of interest after the adjustment of the collimator.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: August 13, 2019
    Assignee: 3Shape A/S
    Inventor: Henrik Öjelund
  • 3D SYSTEM AND METHOD FOR GUIDING OBJECTS
    Publication number: 20190239962
    Abstract: An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code.
    Type: Application
    Filed: April 16, 2019
    Publication date: August 8, 2019
    Applicant: 3SHAPE A/S
    Inventors: Nikolaj DEICHMANN, Rune FISKER
  • 3D INTRAORAL SCANNER MEASURING FLUORESCENCE
    Publication number: 20190231194
    Abstract: A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from said teeth, the 3D scanner system including data processing means configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 1, 2019
    Applicant: 3Shape A/S
    Inventors: Mike VAN DER POEL, Karl-Josef HOLLENBECK
  • RADIOGRAPHIC SYSTEM AND METHOD FOR REDUCING MOTION BLUR AND SCATTER RADIATION
    Publication number: 20190223815
    Abstract: A radiographic system including a radiation source emitting a radiation beam, a radiation sensor for detecting incident radiation from the radiation beam on a sensor area, at least one collimator arranged between the radiation source and the radiation sensor for masking the radiation beam to irradiate a radiation area on the sensor which is smaller than the sensor area and means for moving the collimator across the radiation beam, whereby the radiation area is moved across the sensor area.
    Type: Application
    Filed: December 5, 2018
    Publication date: July 25, 2019
    Applicant: 3SHAPE A/S
    Inventor: Henrik ÖJELUND
  • Method for manufacturing a denture
    Patent number: 10357344
    Abstract: There is disclosed a method for manufacturing a denture comprising an artificial gingiva surface, a seating surface facing at least a part of the gingiva surface when placed in the mouth of a patient, at least one tooth receiving hole provided in the artificial gingiva surface and extending through to the seating surface and an artificial tooth arranged in the tooth receiving hole, The method comprises printing an intermediate denture base comprising the artificial gingiva surface, the at least one tooth receiving hole for receiving the artificial tooth, arranging the artificial tooth in the at least one tooth receiving hole, fixing the intermediate denture base in a milling machine, and milling the denture comprising providing the seating surface by removing at least a part of the tooth extending through the tooth receiving hole. This provides an improved manufacturing process of denture.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: July 23, 2019
    Assignee: 3Shape A/S
    Inventor: Rune Fisker
  • DYNAMIC VIRTUAL ARTICULATOR FOR SIMULATING OCCLUSION OF TEETH
    Publication number: 20190216580
    Abstract: Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method includes the steps of: providing the virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth; providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur; wherein the method further includes: providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.
    Type: Application
    Filed: March 13, 2019
    Publication date: July 18, 2019
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Christophe Vasiljev BARTHE, Kasper Kabel KRISTENSEN, Tommy Sanddal POULSEN
  • Focus scanning apparatus
    Patent number: 10349041
    Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: July 9, 2019
    Assignee: 3Shape A/S
    Inventors: Rune Fisker, Henrik Ojelund, Rasmus Kjær, Mike van der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
  • Scanning appliance
    Patent number: D863216
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: October 15, 2019
    Assignee: 3SHAPE A/S
    Inventors: Rasmus Kjaer, Eskild Hansen
  • Display screen with stand
    Patent number: D863560
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: October 15, 2019
    Assignee: 3SHAPE A/S
    Inventors: Eskild Hansen, Lars Henriksen, Mads Groenlund, Mikael Nielsen, Ole Noerklit, Sindri Sighvatsson