Patents Assigned to 3Shape A/S
  • 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 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
  • 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
  • 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 aligning digital representations of a patient's jaws
    Patent number: 11317998
    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: April 7, 2017
    Date of Patent: May 3, 2022
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Sven Nonboe
  • 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
  • SYSTEM AND METHOD FOR INCREASING THE ACCURACY OF A MEDICAL IMAGING DEVICE
    Publication number: 20220104785
    Abstract: A method for improving the accuracy of a digital medical model of a part of a patient, the method includes obtaining a set of at least 2 medical images of the patient, where an element including a predefined geometry and/or predefined information was attached to the patient during the recording of the medical images; obtaining at least 2 tracking images taken with at least one camera having a known positional relationship relative to the medical imaging device, the tracking images depicting at least part of the element; determining any movement of the element between acquisition of the at least 2 tracking images; and generating the digital medical model from the acquired medical images, wherein the determined movement of the element is used to compensate for any movement of the patient between the acquisition of the medical images.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Applicant: 3SHAPE A/S
    Inventors: Morten BOLL, Thomas Sangild SØRENSEN, Jens Peter HOLME, Sami BRANDT, Henrik ÖJELUND
  • Intraoral scanning system using magnetic induction
    Publication number: 20220087519
    Abstract: Disclosed is an intra-oral scanning system including: a scanning device including at least a first magnetic induction coil; a replaceable scanning tip including at least a second magnetic induction coil; the scanning tip being removably connected to the scanning device; wherein the at least first and second magnetic induction coils are configured to provide power transfer and/or a communication signal between the scanning device and the scanning tip during operation of the scanning system.
    Type: Application
    Filed: February 27, 2020
    Publication date: March 24, 2022
    Applicant: 3SHAPE A/S
    Inventors: Morten Vendelbo FOGED, Christoph VANNAHME, Michael PEDERSEN, Søren Greve JENSEN, Dmytro Chupryna OLEGOVYCH, Esben Rosenlund HANSEN, Anders Robert JELLINGGAARD, Peter Dahl Ejby JENSEN, Kasper KROGH, Oliver SUNDBERG
  • SHEATH FOR A TIP OF A SCANNING DEVICE AND SYSTEM THEREOF
    Publication number: 20220079426
    Abstract: A sheath for an intraoral scanning tip, where polarization is not substantially altered during scanning.
    Type: Application
    Filed: September 9, 2019
    Publication date: March 17, 2022
    Applicant: 3SHAPE A/S
    Inventors: Alexander Bruun CHRISTIANSEN, Pétur Gordon HERMANNSSON, Søren Greve JENSEN, Mike VAN DER POEL
  • PREDICTING THE DEVELOPMENT OF A DENTAL CONDITION
    Publication number: 20220079718
    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: November 23, 2021
    Publication date: March 17, 2022
    Applicant: 3SHAPE A/S
    Inventor: Henrik John BRANDT
  • FOCUS SCANNING APPARATUS
    Publication number: 20220086418
    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: November 23, 2021
    Publication date: March 17, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
  • 3D scanning with automatic selection of scan strategy
    Patent number: 11276228
    Abstract: According to an embodiment, a method for 3D scanning at least a part of a surface of an object is disclosed. The method includes recording, using an optical scanner comprising at least one camera, one or more test 2D images of the at least a part of the surface of the object; automatically identifying a first segment of a first level of interest within the test 2D images, the first segment imaging a region of interest on the at least a part of the surface of the object; identifying a first 3D volume comprising the region of interest of the at least a part of the surface of the object; selecting a first input defining a first resolution and/or a first coverage; and 3D scanning the at least a part of the surface of the object within the first 3D volume using the first input.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: March 15, 2022
    Assignee: 3Shape A/S
    Inventor: Karl-Josef Hollenbeck
  • WIRELESS SCANNING DEVICE
    Publication number: 20220061632
    Abstract: The present disclosure provides a wireless scanning device, including: a scanning housing, including: an image detector configured for acquiring 2D-images at a first 2D-frame-rate; and one or more processor(s) coupled to the image detector such that the 2D-images can be processed by the processor(s) to form processed data; a wireless module being coupled to the processor(s) such that the wireless module receives the processed data from the processor(s) and wirelessly transmits the processed data.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 3, 2022
    Applicant: 3SHAPE A/S
    Inventors: Anders GAARDE, Kasper Krogh HANSEN
  • 3D intraoral scanner measuring fluorescence
    Patent number: 11246490
    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: Grant
    Filed: February 1, 2019
    Date of Patent: February 15, 2022
    Assignee: 3SHAPE A/S
    Inventors: Mike Van Der Poel, Karl-Josef Hollenbeck
  • System and method for increasing the accuracy of a medical imaging device
    Patent number: 11234665
    Abstract: A method for improving the accuracy of a digital medical model of a part of a patient, the method includes obtaining a set of at least 2 medical images of the patient, where an element including a predefined geometry and/or predefined information was attached to the patient during the recording of the medical images; obtaining at least 2 tracking images taken with at least one camera having a known positional relationship relative to the medical imaging device, the tracking images depicting at least part of the element; determining any movement of the element between acquisition of the at least 2 tracking images; and generating the digital medical model from the acquired medical images, wherein the determined movement of the element is used to compensate for any movement of the patient between the acquisition of the medical images.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 1, 2022
    Assignee: 3SHAPE A/S
    Inventors: Morten Boll, Thomas Sangild Sørensen, Jens Peter Holme, Sami Brandt, Henrik Öjelund
  • DESIGNING AN INSERTABLE DENTAL RESTORATION
    Publication number: 20220015877
    Abstract: A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including: obtaining a digital 3D representation of the set of teeth, the digital 3D representation including a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 20, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Sven NONBOE
  • METHOD AND SYSTEM FOR MEASURING PERIODONTAL POCKET DEPTH
    Publication number: 20220008180
    Abstract: A system for measuring a depth of a periodontal pocket defined by a gap between a tooth and gingiva includes a frame, one camera, and a processor. The frame is configured to be worn by a user. The camera is configured to capture at least one 2D image of an intraoral target area. The at least one 2D image includes a representation of at least a part of the tooth, a gingiva margin defined by a section of the gingiva adjacent to the at least a part of the tooth, and a probe tip when the probe tip is inserted into the periodontal pocket. The processor is configured to receive the captured at least one 2D image and to determine an insertion length of the probe tip in the periodontal pocket. The determined insertion length represents the depth of the periodontal pocket.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 13, 2022
    Applicant: 3SHAPE A/S
    Inventors: Mike VAN DER POEL, Astrid BIRCH, Michael VINTHER, Sonal Sharad PATIL, Steen Frost TOFTHØJ
  • METHOD FOR GENERATING DENTAL MODELS BASED ON AN OBJECTIVE FUNCTION
    Publication number: 20220008175
    Abstract: A computer-implemented method of generating a dental model based on an objective function output, including creating an objective function including at least one quality estimation function which trains at least one machine learning method that generates quality estimation output, and an objective function output is the output of the objective function providing a model as an input data to the objective function and generating model-related objective function output; and modifying the model based on the model-related objective function output to transform the model to a generated model, wherein the generated model is the dental model.
    Type: Application
    Filed: February 6, 2020
    Publication date: January 13, 2022
    Applicant: 3SHAPE A/S
    Inventors: Henrik ÖJELUND, Karl-Josef HOLLENBECK, Erik ASK
  • Method of composing and designing a set of teeth
    Patent number: RE49008
    Abstract: Disclosed is a computer-implemented method of designing a number of dental restorations for a patient, wherein the method includes: selecting a composed set of teeth including a number of teeth, where the number of teeth are arranged spatially relative to each other forming a high aesthetic composition; applying the composed set of teeth to a virtual three dimensional representation of the patient's present oral situation to obtain an initial set of teeth; optionally modifying one or more parameters of one or more of the teeth in the initial set of teeth to obtain a finalized set of teeth.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: April 5, 2022
    Assignee: 3Shape A/S
    Inventors: Tais Clausen, Rune Fisker, Sven Nonboe