Patents Assigned to 3Shape A/S
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Publication number: 20210282905Abstract: A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming denture teeth of the denture, wherein the method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; digitally grouping the denture teeth in four groups, the four groups includes an upper anterior group, a lower anterior group, a left posterior group, and a right posterior group; and digitally arranging the upper anterior group first, the left and right posterior groups second and the lower anterior group third.Type: ApplicationFiled: May 27, 2021Publication date: September 16, 2021Applicant: 3SHAPE A/SInventor: Rune FISKER
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Publication number: 20210264600Abstract: 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: ApplicationFiled: June 14, 2019Publication date: August 26, 2021Applicant: 3SHAPE A/SInventors: Anders Robert JELLINGGAARD, Christoph VANNAHME, Mike VAN DER POEL, Karl-Josef HOLLENBECK, Anders GAARDE, Mads Brøkner CHRISTIANSEN
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Patent number: 11083550Abstract: A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming the denture, and where the denture teeth are grouped in at least two blocks where each block includes at least two denture teeth. The method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; and digitally transforming at least one denture tooth based on input from a user; where at least one design rule is enforced that affect one or more, but not all of the blocks, when the at least one denture tooth is transformed.Type: GrantFiled: December 19, 2014Date of Patent: August 10, 2021Assignee: 3Shape A/SInventor: Rune Fisker
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Patent number: 11076146Abstract: 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: GrantFiled: March 19, 2021Date of Patent: July 27, 2021Assignee: 3Shape A/SInventors: Rune Fisker, Henrik Öjelund, Rasmus Kjær, Mike van der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
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Publication number: 20210217222Abstract: 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: ApplicationFiled: August 29, 2018Publication date: July 15, 2021Applicant: 3SHAPE A/SInventors: Anders KJÆR-NIELSEN, Adam Carsten STOOT
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Publication number: 20210211638Abstract: 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: ApplicationFiled: March 19, 2021Publication date: July 8, 2021Applicant: 3SHAPE A/SInventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJÆR, Mike van der POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
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Patent number: 11045293Abstract: A method for placing and using design guides in a virtual environment for use in dental treatment includes steps of obtaining a 3D representation of a dental setup a patient, obtaining a 2D image of at least a part of the face of the patient, aligning the 2D image and the 3D representation, generating at least one design guide based on facial features in the 2D image, and applying the at least one design guide to the 3D representation.Type: GrantFiled: October 27, 2014Date of Patent: June 29, 2021Assignee: 3Shape A/SInventors: Rune Fisker, Danni Liljekrans, Kristoffer Rath Petersen
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Patent number: 11051002Abstract: 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: GrantFiled: January 28, 2020Date of Patent: June 29, 2021Assignee: 3Shape A/SInventors: Rune Fisker, Henrik Ôjelund, Rasmus Kjær, Mike van der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
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Publication number: 20210169437Abstract: A method for reconstructing at least a first and a second independently moving body from one 3D tomography scan includes performing a movement of the first body relative to the second body, obtaining the movement, obtaining a 3D tomography scan of the first body and the second body during the movement, and reconstructing a first 3D model of the first body and a second 3D model of the second body by applying the recorded movement to the 3D tomography scan. This has the effect that reconstruction of several 3D tomography scanned bodies is possible during motion of the scanned bodies.Type: ApplicationFiled: November 12, 2018Publication date: June 10, 2021Applicant: 3SHAPE A/SInventors: Morten BOLL, Sami BRANDT, Thomas Sangild SØRENSEN
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Publication number: 20210169607Abstract: 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: ApplicationFiled: December 18, 2020Publication date: June 10, 2021Applicant: 3SHAPE A/SInventors: Rune FISKER, Nikolaj DEICHMANN
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Patent number: 11022432Abstract: Disclosed is 3D scanning using a 3D scanner configured for detecting when the scanned object is at rest in the scan volume of the 3D scanner.Type: GrantFiled: February 14, 2018Date of Patent: June 1, 2021Assignee: 3SHAPE A/SInventors: Karl-Josef Hollenbeck, Henrik Öjelund, Rasmus Kjær
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Patent number: 11020082Abstract: 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: GrantFiled: December 3, 2019Date of Patent: June 1, 2021Assignee: 3SHAPE A/SInventor: Henrik Ojelund
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Patent number: 11020204Abstract: A method of virtually designing a customized healing abutment and a drill guide for a patient, where the method includes: obtaining a CT scan including at least part of the patient's jaw bone; virtually placing at least one implant relative to the jaw bone of the CT scan, such that a planned implant placement is defined; virtually designing: a drill guide for guiding the surgical drilling of a bore for the implant into the patient's jaw bone at the planned implant placement; and a customized healing abutment configured for shaping the soft tissue according to a target profile when arranged in the implant; where the design of the drill guide and of the customized healing abutment is at least partly based on the CT scan and on the planned implant placement.Type: GrantFiled: December 19, 2012Date of Patent: June 1, 2021Assignee: 3SHAPE A/SInventors: Rune Fisker, Anders Kjaer-Nielsen
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Publication number: 20210160471Abstract: Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images.Type: ApplicationFiled: July 2, 2020Publication date: May 27, 2021Applicant: 3SHAPE A/SInventors: Rune Fisker, Henrik Öjelund, Mike VAN DER POEL, Kristian Evers HANSEN, Anders Gaarde
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Patent number: 11006836Abstract: A 3D scanner for recording topographic characteristics of a surface of at least part of a body orifice, where the 3D scanner includes a main body having a mounting portion; a tip which can be mounted onto and un-mounted from the mounting portion, where the tip is configured for being brought into proximity of the body orifice surface when recording the topographic characteristics such that at least one optical element of the tip is at least partly exposed to the environment in the body orifice during the recording; and a heater for heating the optical element, where the heat is provided by way of thermal conduction; where the tip can be sterilized in a steam autoclave when un-mounted from the main body of the 3D scanner such that it subsequently can be reused.Type: GrantFiled: May 16, 2016Date of Patent: May 18, 2021Assignee: 3SHAPE A/SInventors: Karl-Josef Hollenbeck, Bo Petersen, Mike Van Der Poel, Thomas Moon, Stefan Elmsted Jensen
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Patent number: 11000348Abstract: A method of digitally designing a dental component for a patient, wherein the method includes: obtaining a 3D representation of the patient's upper jaw; obtaining a 3D representation of the patient's lower jaw; obtaining at least a first 3D representation of a first bite configuration of the patient's jaws in a first occlusion and a second 3D representation of a second bite configuration of the patient's jaws in a second occlusion different from the first occlusion; digitally determining a occlusal contact movement of the patient's jaws relative to each other based on the at least first 3D representation, the second 3D representation and contact between the patient's upper jaw and lower jaw; and digitally designing the dental component based on the occlusal contact movement of the patient's jaw relative to each other.Type: GrantFiled: October 18, 2013Date of Patent: May 11, 2021Assignee: 3SHAPE A/SInventors: Sven Nonboe, Rune Fisker, Christophe Barthe
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Publication number: 20210106409Abstract: 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: ApplicationFiled: February 8, 2019Publication date: April 15, 2021Applicant: 3SHAPE A/SInventors: Henrik ÖJELUND, Asger Vejen HOEDT, Karl-Josef HOLLENBECK
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Publication number: 20210106229Abstract: 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: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Applicant: 3SHAPE A/SInventors: Mike VAN DER POEL, Rune FISKER, Karl-Josef HOLLENBECK
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Publication number: 20210107272Abstract: Disclosed is a method of generating and modifying a virtual model of a set of teeth, where the method provides that a restoration can be inserted into a physical model of the set of teeth manufactured from the virtual model of the set of teeth. A method of and a system for generating a virtual model of a set of teeth for manufacturing a physical model of the set of teeth, and to a physical model of a set of teeth.Type: ApplicationFiled: December 1, 2020Publication date: April 15, 2021Applicant: 3SHAPE A/SInventors: Rune FISKER, Sven NONBOE
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Patent number: 10973615Abstract: A method for creating a digital model of a denture for a patient, where the denture includes a gingival part and artificial teeth, includes obtaining digital models of artificial teeth representing the artificial teeth; obtaining a 3D scan comprising a digital representation of at least part of the patient's existing gingiva; digitally modeling a gingival part of the digital model of the denture using the 3D scan and the digital artificial teeth; digitally determining a first offset defining a first thickness of a first portion of the gingival part of the digital model of the denture that extends from the digital representation of the at least part of the patient's existing gingiva; and digitally determining a second offset defining a second thickness of a second portion of the gingival part of the digital model of the denture that extends from the digital artificial teeth.Type: GrantFiled: November 12, 2019Date of Patent: April 13, 2021Assignee: 3SHAPE A/SInventor: Rune Fisker
