3Shape A/s

Karl-Josef Hollenbeck

Mike Van Der Poel

Rune Fisker

Henrik Öjelund

Arish A Qazi

Rasmus Kjær

Rasmus Kjaer

Nikolaj Deichmann

Bo Esbech

Michael Vinther

Christian Romer Rosberg

Bo Petersen

Tais Clausen

Thomas Moon

Stefan Elmsted Jensen

Henrik Ôjelund

David Fischer

Anders Gaarde

Christoph Vannahme

Asger Vejen Hoedt

Mikkel Stegmann

Anders Robert Jellinggaard

Mads Brøkner Christiansen

Erik Ask

Søren Greve Jensen

Thomas Allin Højgaard

Ashwani Kumar

Rasmus KJÆR

Deepak Vijayakumar Nair

Thomas Lundgaard Hansen

Marat Khaitov

Onur Kaya

Ashwani Kumard

Thomas Højgaard Allin

Sune Jørgensen

Christian Højris Nielsen

Lars Schjøth

Morten Rudkjær Schrøder

Peter Steen Hansen

Henrik ÖJELUND

Henrik Oejelund

Sune Joergensen

Bárdur ÍSleifsson

Mikkel Bille Stegmann

Lars SCHJØTH

Morten Rudkjær SCHRØDER

Christopher Simon Edwards

Alfredo Chávez Plascencia

According to an embodiment, a computer-implemented method for generating an edge curve to facilitate manufacture of at least a portion of a dental device is disclosed. The method includes identifying at least one tooth reference point for each of at least two teeth on a dental model; identifying at least one offset point corresponding to each of the at least one tooth reference points such that the at least one offset point is on a gingival surface of the dental model and located outside an interproximal area; and generating the edge curve by connecting the offset points such that the edge curve is outside the interproximal area and on the gingival surface.

Method for generating edge curve for dental devices

Disclosed is a method and system of evaluating a dental preparation surface, including obtaining a digital oral situation and/or a portion thereof including a preparation surface, evaluating an attainable thickness based on the preparation surface and surroundings and comparing the attainable thickness to minimum thickness.

Method and system for evaluating a dental preparation surface

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.

Intraoral scanning apparatus

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.

Intraoral scanning with surface differentiation

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, including 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.

Method, device and system for correlating at least one additional 2D-image to a 3D-representation of at least a part of tooth

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.

Deriving tooth condition information for populating digital dental charts

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.

Focus scanning apparatus recording color

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.

Method for generating dental models based on an objective function

A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from the teeth, the 3D scanner system including one or more data processing units 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.

3D intraoral scanner measuring fluorescence

A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.

Dual-resolution 3D scanner and method of using

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.

Growing community of inventors

København Ø, Denmark

Karl-Josef Hollenbeck