Patents Assigned to 3Shape A/S
  • DENTAL PREPARATION GUIDE
    Publication number: 20220409334
    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: Application
    Filed: August 29, 2022
    Publication date: December 29, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Nikolaj DEICHMANN
  • Intraoral scanning apparatus
    Patent number: 11539937
    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 11, 2022
    Date of Patent: December 27, 2022
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Henrik Öjelund, Rasmus Kjaer, Mike Van Der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
  • Modeling and manufacturing the superstructure for a denture
    Patent number: 11510759
    Abstract: A system and a method for providing a model of a superstructure joining a denture and a corresponding dental arch, the method includes the steps of obtaining a first 3D representation of at least a part of a preliminary model of the denture, obtaining a second 3D representation of at least a part of the dental arch comprising dental implants, and generating a model of a superstructure based on the first 3D representation, the second 3D representation, dental implant positions and dental implant orientations.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: November 29, 2022
    Assignee: 3SHAPE A/S
    Inventor: Rune Fisker
  • SCANNING SYSTEM FOR DETERMINING A HEALTH-CONDITION
    Publication number: 20220369907
    Abstract: Disclosed is a scanning system for determining a health-condition based on scanning an intraoral object. More specifically, the present disclosure is related to different methods of providing the health-condition, for example by adapting the scanner with different scanning modes.
    Type: Application
    Filed: October 9, 2020
    Publication date: November 24, 2022
    Applicant: 3SHAPE A/S
    Inventors: Nikolaj DEICHMANN, Esben Rosenlund HANSEN
  • Scanning of edentulous patients
    Patent number: 11478344
    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: September 24, 2019
    Date of Patent: October 25, 2022
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Lars Henriksen, Kristian Evers Hansen
  • Dental preparation guide
    Patent number: 11478330
    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: December 18, 2020
    Date of Patent: October 25, 2022
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Nikolaj Deichmann
  • DETECTING AND MONITORING DEVELOPMENT OF A DENTAL CONDITION
    Publication number: 20220287811
    Abstract: A method, user interface and system for detecting and monitoring development of a dental condition. In particular, detecting and monitoring such a development by comparing digital 3D representations of the patient's set of teeth recorded at a first and a second point in time. For example, determining tooth movement for at least one tooth between the first and second point in time based on derived distances.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 15, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik John BRANDT, Alen BOGDANIC
  • POWER-ADAPTABLE DEVICE FOR SCANNING A HUMAN INTRA-CAVITY
    Publication number: 20220280020
    Abstract: A device for scanning a human intra-cavity, including a housing including a part connected to the housing, the part dimensioned for being inserted into said human intra-cavity, a single mounting-interface on the housing, the single mounting-interface configured to removably mount an internal power supply unit for powering the device from an internal power supply within the internal power supply unit, or an external power supply unit for powering the device from an external power supply outside the external power supply unit, the device configured for being changed between two power-operation modes.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Applicant: 3SHAPE A/S
    Inventors: Kasper Krogh HANSEN, Troels Böwadt ARNVED, Frederik JUUL
  • INTRAORAL SCANNING APPARATUS
    Publication number: 20220272317
    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: May 11, 2022
    Publication date: August 25, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
  • INTRAORAL SCANNING APPARATUS
    Publication number: 20220272316
    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: May 11, 2022
    Publication date: August 25, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
  • DETECTING TOOTH SHADE
    Publication number: 20220265403
    Abstract: Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 25, 2022
    Applicant: 3SHAPE A/S
    Inventors: Bo ESBECH, Rune FISKER, Lars HENRIKSEN, Tais CLAUSEN
  • DETECTING TOOTH SHADE
    Publication number: 20220265402
    Abstract: Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 25, 2022
    Applicant: 3SHAPE A/S
    Inventors: Bo ESBECH, Rune FISKER, Lars HENRIKSEN, Tais CLAUSEN
  • METHOD FOR ALIGNING DIGITAL REPRESENTATIONS OF A PATIENT'S JAWS
    Publication number: 20220218448
    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: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Sven NONBOE
  • METHOD FOR MANIPULATING 3D OBJECTS BY FLATTENED MESH
    Publication number: 20220222896
    Abstract: A computer-implemented method for generating a corresponding 3D mesh representing a 3D object includes transforming an initial three-dimensional mesh into a planar mesh, wherein each vertex or edge of the planar mesh is a transformation of a vertex or edge from the initial three-dimensional mesh; and sampling the planar mesh to generate a plurality of samples such that each sample comprises a three-dimensional coordinate representing a point in a three-dimensional space derived and/or taken directly from the initial three-dimensional mesh, and a coordinate representing a position of the sample relative to other samples; and generating the sampled matrix based on the plurality of samples; and representing the sampled matrix as a corresponding 3D mesh.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Applicant: 3SHAPE A/S
    Inventors: Jens Christian JØRGENSEN, Jens Peter TRÄFF, Alejandro Alonso DIAZ
  • Intraoral scanning apparatus
    Patent number: 11368667
    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: November 23, 2021
    Date of Patent: June 21, 2022
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Henrik Öjelund, Rasmus Kjaer, Mike Van Der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
  • METHOD FOR GRAPHICALLY PRESENTING A PLURALITY OF SCANS
    Publication number: 20220168074
    Abstract: Disclosed is a system and method for presenting a graphical representation of an oral situation of a patient over time. In particular the system and method relates to a method of presenting a plurality of scans taken over time in manner where the focus on the changes in the oral situation of the patient is maintained.
    Type: Application
    Filed: March 11, 2020
    Publication date: June 2, 2022
    Applicant: 3SHAPE A/S
    Inventors: Alen BOGDANIC, Admir HUSEINI, Daniella ALALOUF
  • METHOD FOR GENERATING OBJECTS USING AN HOURGLASS PREDICTOR
    Publication number: 20220172430
    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: February 25, 2020
    Publication date: June 2, 2022
    Applicant: 3SHAPE A/S
    Inventors: Jens Peter TRÄFF, Jens Christian JØRGENSEN, Alejandro Alonso DIAZ, Mathias Bøgh STOKHOLM, Asger Vejen HOEDT
  • SYSTEM AND METHOD FOR GENERATING DIGITAL THREE-DIMENSIONAL DENTAL MODELS
    Publication number: 20220148263
    Abstract: According to an embodiment, a method for generating a digital three-dimensional model representing development in dental condition for a tooth is disclosed. The method includes obtaining, at different timepoints, a first digital 3D model of a patient's set of teeth including first texture data and a second digital 3D model of the patient's set of teeth including second texture data. The first digital 3D model including the first texture data and second digital 3D model including the second texture data are placed in a common texture space by uniformizing texture. Lastly, the digital three-dimensional model representing development in dental condition is generated based on a comparison of the first texture data and the second texture data of corresponding regions in the first digital 3D model and the second digital 3D model placed in the common texture space.
    Type: Application
    Filed: March 11, 2020
    Publication date: May 12, 2022
    Applicant: 3SHAPE A/S
    Inventors: Christoph VANNAHME, Anders GAARDE, Anders Robert JELLINGGAARD, Bárður ÍSLEIFSSON, Stavroula MICHOU, Mathias Schärfe LAMBACH
  • SCANNER DEVICE WITH REPLACEABLE SCANNING-TIPS
    Publication number: 20220133447
    Abstract: The present disclosure provides a scanning system for scanning an object, including a scanner device including an image sensor for acquiring images; a mounting-interface for detachably mounting at least one of a plurality of types of scanning-tips, wherein each of the plurality of types scanning-tips is configured for providing light to the object in an illumination-mode that differs for each of the plurality of types of scanning-tips.
    Type: Application
    Filed: February 25, 2020
    Publication date: May 5, 2022
    Applicant: 3SHAPE A/S
    Inventors: Esben Rosenlund HANSEN, Anders Robert JELLINGGAARD, Peter Dahl Ejby JENSEN, Morten Vendelbo FOGED, Christoph VANNAHME, Michael PEDERSEN, Søren Greve JENSEN, Dmytro Chupryna OLEGOVYCH
  • Method for manipulating 3D objects by flattened mesh
    Patent number: 11321918
    Abstract: A computer-implemented method for generating a corresponding 3D mesh representing a 3D object includes transforming an initial three-dimensional mesh into a planar mesh, wherein each vertex or edge of the planar mesh is a transformation of a vertex or edge from the initial three-dimensional mesh; and sampling the planar mesh to generate a plurality of samples such that each sample comprises a three-dimensional coordinate representing a point in a three-dimensional space derived and/or taken directly from the initial three-dimensional mesh, and a coordinate representing a position of the sample relative to other samples; and generating the sampled matrix based on the plurality of samples; and representing the sampled matrix as a corresponding 3D mesh.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 3, 2022
    Assignee: 3SHAPE A/S
    Inventors: Jens Christian Jørgensen, Jens Peter Träff, Alejandro Alonso Diaz