Patents Assigned to 3Shape A/S
  • Patent number: 12070374
    Abstract: A method of aligning two 3D digital representations of at least a part of each of the upper and lower jaw of a patient, the method including segmenting the 3D digital representations to determine the shape and position of each of the patient's teeth in each of the 3D digital representations; and using a set of known anatomical concepts to constrain the fit of the two 3D digital representations to get a preliminary fit.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: August 27, 2024
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Sven Nonboe
  • Publication number: 20240281865
    Abstract: A virtual venue for dental products is described including the creating of product-specific catalogs by receiving standardized information from two or more labs which create the dental products. The virtual venue may recommend certain products to labs based upon various attributes. The virtual venue may add to a workflow generating a case so as to meet the attributes of a preferred lab.
    Type: Application
    Filed: February 21, 2024
    Publication date: August 22, 2024
    Applicant: 3SHAPE A/S
    Inventors: Samir ZUBCEVIC, Nina Pytter LAURSEN, Kasper Lee HARTMANN, Mike SLOTSBORG, Martha Cecilia FERNANDEZ CONTRERAS, Ege BUYUKSEMERCI
  • Publication number: 20240252289
    Abstract: A method for generating a digital 3D representation of at least a part of an intraoral cavity, the method including recording a plurality of views containing surface data representing at least the geometry of surface points of the part of the intraoral cavity using an intraoral scanner; determining a weight for each surface point at least partly based on scores that are measures of belief of that surface point representing a particular type of surface; executing a stitching algorithm that performs weighted stitching of the surface points in said plurality of views to generate the digital 3D representation based on the determined weights; wherein the scores for the surface points are found by at least one score-finding algorithm that takes as input at least the geometry part of the surface data for that surface point and surface data for points in a neighbourhood of that surface point.
    Type: Application
    Filed: March 18, 2024
    Publication date: August 1, 2024
    Applicant: 3SHAPE A/S
    Inventors: Henrik ÖJELUND, Asger Vejen HOEDT, Karl-Josef HOLLENBECK
  • Publication number: 20240251068
    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: April 5, 2024
    Publication date: July 25, 2024
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJÆR, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
  • Patent number: 12036091
    Abstract: Disclosed is a 3D scanning system and a method for using such a system, where a handheld scanner of the 3D scanner system is used to control the operation mode of the system such that the user does not need to engage an external unit e.g. during a scanning procedure in which the teeth in a patient's upper and lower jaws are scanned.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: July 16, 2024
    Assignee: 3SHAPE A/S
    Inventor: Kristian Evers Hansen
  • Publication number: 20240225781
    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: October 10, 2023
    Publication date: July 11, 2024
    Applicant: 3SHAPE A/S
    Inventors: Birk Plönnigs, Rune FISKER
  • Publication number: 20240212278
    Abstract: A computer-implemented method for generating a 2D or 3D object, including training an autoencoder on a first set of training data to identify a first set of latent variables and generate a first set of output data; training an hourglass predictor on a second set of training data, where the hourglass predictor encoder converts a set of related but different training input data to a second set of latent variables, which decode into a second set of output data of the same type as the first set of output data; and using the hourglass predictor to predict a 2D or 3D object of the same type as the first set of output data based on a 2D or 3D object of the same type as the second set of input data.
    Type: Application
    Filed: December 20, 2023
    Publication date: June 27, 2024
    Applicant: 3SHAPE A/S
    Inventors: Jens Peter TRÄFF, Jens Christian JØRGENSEN, Alejandro Alonso DIAZ, Mathias Bøgh STOKHOLM, Asger Vejen HOEDT
  • Publication number: 20240197446
    Abstract: Disclosed is method, a user interface, a computer program product and a system for predicting future development of a dental condition of a patient's set of teeth, wherein the method comprises: —obtaining two or more digital 3D representations for the teeth recorded at different points in time; —deriving based on the obtained digital 3D representations a formula expressing the development of the dental condition in terms of at least one parameter as a function of time; and—predicting the future development of the condition based on the derived formula.
    Type: Application
    Filed: January 3, 2024
    Publication date: June 20, 2024
    Applicant: 3SHAPE A/S
    Inventor: Henrik John BRANDT
  • Publication number: 20240164632
    Abstract: The intraoral scanning system includes an intraoral scanning device configured to acquire light information reflected from a dental object and further includes one or more processors connected to the intraoral scanning device. The one or more processors are configured to determine, in real time, surface information from the light information, and generate a three-dimensional surface model of a dental object using the surface information. One or more remote computers includes a resource pool, wherein the system provides temporary access for the intraoral scanning device to one or more resources of the resource pool based on a predefined performance mode of the scanning session. Each of at least two predefined performance modes is configured to operate the intraoral scanning device with a different number of resources from the resource pool and/or with a different type of resources from the resource pool.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Applicant: 3SHAPE A/S
    Inventors: Jesper Lomborg MANIGOFF, Poul Martin RAVN
  • Patent number: 11983873
    Abstract: The present disclosure provides a computer-implemented method for correlating at least one infrared 2D-image to a 3D-representation of at least a part of a tooth displayed in a graphical user-interface, of a hand-held scanning device, on a screen, comprising the steps of: obtaining a first set of 2D-images of the at least part of the tooth; forming a 3D-representation of the at least a part of the tooth from the first set of 2D-images; displaying, in the graphical user-interface, the 3D-representation; obtaining a second set of 2D-images, wherein the second set of 2D images are infrared 2D-images acquired within the at least part of the tooth; displaying, in the user-interface, at least one of the 2D-images from the second set of 2D-images; displaying, in the user-interface, a manipulator configured to change between 2D-images in the second set of 2D-images.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 14, 2024
    Assignee: 3SHAPE A/S
    Inventors: Anders Robert Jellinggaard, Christoph Vannahme, Mike Van Der Poel, Karl-Josef Hollenbeck, Anders Gaarde, Mads Brøkner Christiansen
  • Publication number: 20240148242
    Abstract: The present disclosure relates to a 3D scanner system for scanning the oral cavity of a patient. In particular, the disclosure relates to feedback mechanisms and user interfaces of intraoral scanners. In some embodiments, the 3D scanner system comprises an intraoral scanner comprising one or more reconfigurable buttons, wherein each reconfigurable button comprises a force sensor, such as a strain gauge sensor; and wherein the intraoral scanner further comprises a display configured for displaying one or more icons, texts, or animations, associated with the reconfigurable buttons, wherein the display covers the force sensors, and wherein the scanner system further comprises one or more processors configured to generate 3D scan data of at least a part of the dental arch.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 9, 2024
    Applicant: 3SHAPE A/S
    Inventors: Signe Friis SCHACK, Astrid Anna TOFTEGAARD, Mikael NIELSEN, Bjørn PETERSEN, Samuele VIMERCATI
  • Patent number: 11974900
    Abstract: A method for generating a digital 3D representation of at least a part of an intraoral cavity, the method including recording a plurality of views containing surface data representing at least the geometry of surface points of the part of the intraoral cavity using an intraoral scanner; determining a weight for each surface point at least partly based on scores that are measures of belief of that surface point representing a particular type of surface; executing a stitching algorithm that performs weighted stitching of the surface points in said plurality of views to generate the digital 3D representation based on the determined weights; wherein the scores for the surface points are found by at least one score-finding algorithm that takes as input at least the geometry part of the surface data for that surface point and surface data for points in a neighbourhood of that surface point.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: May 7, 2024
    Assignee: 3SHAPE A/S
    Inventors: Henrik Öjelund, Asger Vejen Hoedt, Karl-Josef Hollenbeck
  • Publication number: 20240115360
    Abstract: A method for manufacturing/producing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a computer-aided design (CAD design) of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; and performing post-processing of the outside surface of the restoration.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Sven NONBOE, David FISCHER
  • Publication number: 20240115137
    Abstract: Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Applicant: 3SHAPE A/S
    Inventors: Mike VAN DER POEL, Rune FISKER, Karl-Josef HOLLENBECK
  • Patent number: 11931128
    Abstract: Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.
    Type: Grant
    Filed: March 2, 2023
    Date of Patent: March 19, 2024
    Assignee: 3SHAPE A/S
    Inventors: Mike Van Der Poel, Rune Fisker, Karl-Josef Hollenbeck
  • Patent number: 11918438
    Abstract: Disclosed is method, a user interface, a computer program product and a system for predicting future development of a dental condition of a patient's set of teeth, wherein the method comprises:—obtaining two or more digital 3D representations for the teeth recorded at different points in time;—deriving based on the obtained digital 3D representations a formula expressing the development of the dental condition in terms of at least one parameter as a function of time; and—predicting the future development of the condition based on the derived formula.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: March 5, 2024
    Assignee: 3SHAPE A/S
    Inventor: Henrik John Brandt
  • Patent number: 11903779
    Abstract: A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: February 20, 2024
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Nikolaj Deichmann
  • Patent number: 11903792
    Abstract: A method for manufacturing/producing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a computer-aided design (CAD design) of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; and performing post-processing of the outside surface of the restoration.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: February 20, 2024
    Assignee: 3Shape A/S
    Inventors: Rune Fisker, Sven Nonboe, David Fischer
  • Publication number: 20240054729
    Abstract: A computer implemented method for rendering digital three-dimensional dental models includes receiving a first digital 3D dental model including a first dental information of a patient; receiving a second digital 3D dental model including a second dental information of the patient; generating, in the digital 3D space, a superimposed model by superimposing one of the first digital 3D dental model or the second digital 3D dental model on another of the second digital 3D dental model or the first digital 3D dental model; and arranging a 2D controller and the superimposed model relative to each other such that a position of the 2D controller defines a boundary that demarcates the superimposed model between a first zone and a second zone.
    Type: Application
    Filed: May 24, 2022
    Publication date: February 15, 2024
    Applicant: 3SHAPE A/S
    Inventors: Asger STOUSTRUP, Daniella ALALOUF, Aleksandar CEBOV
  • Patent number: 11900526
    Abstract: Disclosed is surface guided cropping in volume rendering of 3D volumetric data from intervening anatomical structures in the patient's body. A digital 3D representation expressing the topography of a first anatomical structure is used to define a clipping surface or a bounding volume which then is used in the volume rendering to exclude data from an intervening structure when generating a 2D projection of the first anatomical structure.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: February 13, 2024
    Assignee: 3SHAPE A/S
    Inventors: Anders Kjær-Nielsen, Adam Carsten Stoot