Abstract: A method and system for distributed storage and management of data may include storing a data abstract that includes one or more structured data entities, each including at least three node pairs. The first node pair including a hash of a first node in a second node pair, a unique identifier, a digital signature, and a data key. The first node of the second node pair including a hash a first node in a third node pair and a hash of the second node of the second node pair. The second node of the second node pair is encrypted with entity relation node key and includes a summary of data included in an encrypted data node and a data decryption key for the encrypted data node. The third node pair including the encrypted data node having data encrypted using the data encryption key, and an encrypted data file.

Abstract: The present disclosure relates to a dental scanning system for generating a digital three-dimensional representation of a dental object, the system comprising an intraoral scanning device comprising one or more projector units configured to project a pattern on a surface of the dental object; and two or more cameras configured to acquire one or more sets of images; wherein the scanning system further comprises one or more processors configured to determine one or more image features within each set of images; solve a correspondence problem within each set of images such that points in 3D space are determined based on the image features, wherein said points form a solution to the correspondence problem, wherein the correspondence problem is solved for groups of pattern features; and generate a digital three-dimensional representation of the dental object, wherein the solution to the correspondence problem is used to generate the three-dimensional representation.

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.

Abstract: An intraoral 3D scanner includes at least one projector unit including a light source configured for emitting light; and a pattern generating element configured for generating a pattern of light to be projected onto a surface of an object. The scanner further includes one or more camera units, operatively coupled to the projector unit, each camera unit including an image sensor for capturing one or more image frames, wherein the image sensor includes a two-dimensional array of pixels arranged in rows and columns and is configured for capturing a given image frame by sequentially exposing individual rows within the two-dimensional array of pixels, wherein each row is exposed for a predefined exposure time. The scanner is configured for sequentially switching the light source on and off at a predefined frequency, wherein the light source is turned on for a predefined duration during which all rows are exposed simultaneously.

Abstract: The present disclosure relates to a computer-implemented method for improving the accuracy of a digital three-dimensional representation of a dental object during scanning, the method including the steps of: generating a digital three-dimensional (3D) representation of the dental object based on registration and stitching of a plurality of 3D scan patches; obtaining new 3D scan patches in real-time during scanning; registering said new 3D scan patches to the digital 3D representation during scanning, whereby said scan patches form part of the digital 3D representation; selecting a sub-set of 3D scan patches among the obtained or registered 3D scan patches, wherein said selection is performed during scanning; and re-registering one or more 3D scan patches forming part of the digital 3D representation, wherein said re-registering is based on applying one or more transformations to the selected sub-set of scan patches, whereby the accuracy of a digital 3D representation is improved.

Abstract: An intraoral scanning system includes an intraoral scanning device configured to acquire light information reflected from a dental object, processors connected to the intraoral scanning device, and the processors includes a client device and one or more servers. The processors are configured to determine surface information from the light information, and generate a three-dimensional surface model of the dental object using the surface information, a wireless communication interface configured to transmit via a first wireless communication protocol a unique identifier of the intraoral scanning device, and wherein the client device is configured to receive the unique identifier via the first wireless communication protocol, and a wireless connection is established between the client device and the intraoral scanning device via the one or more servers upon a confirmation of the unique identifier by the client device.

Abstract: A computer-implemented method for comparing a digital 3D dental model of a patient's oral situation to a user's oral situation. The method includes receiving a selection of a dental condition of the at least two dental conditions, displaying buttons representative of digital 3D dental models, wherein the buttons include a first button associated with a first digital 3D dental model representative of a patient's oral situation at a first point in time and a second button associated with a second digital 3D dental model representative of a patient's oral situation at a second point in time. The method further includes displaying the first digital 3D dental model. Further, the method includes displaying a camera stream from the front camera such that the user, when facing the front camera, may compare the user's dental situation to the first digital 3D dental model.

Abstract: A method for displaying a user interface associated with a dentition includes receiving scan data associated with the dentition of a patient, generating a three-dimensional (3D) model of the dentition based on the scan data, determining anomaly data associated with the dentition based on the 3D model, generating first interface data associated with a first user interface based on the 3D model and/or the anomaly data, and outputting the first user interface based on the first interface data. The first user interface includes user-selectable interface elements. Each of the user-selectable interface elements is selectable to generate an anomaly view of the dentition, such that the anomaly view indicates a corresponding dental anomaly within the 3D model.

Abstract: A method includes receiving a diagnostic intraoral scan data of a patient's oral situation, a quantitative data for at least two dental conditions associated with the patient's oral situation, a qualitative data for the at least two dental conditions, and a mesh overlay for each of the at least two dental conditions. The mesh overlay is configured to visualize the quantitative data and the qualitative data on the digital 3D dental model. The method further includes generating an individual dental profile for the patient based on the quantitative data and the qualitative data, obtaining metadata associated with the at least two dental conditions, wherein the metadata is curated based on the individual dental profile and displaying, in a user interface of the mobile application, the digital 3D dental model with the applied mesh overlay, and further displaying the metadata.

Abstract: An intraoral scanner includes a projector unit for illuminating the dental object, a camera unit for acquiring images of the dental object, a scanner housing the projector unit and the camera unit are arranged inside the scanner housing, and a button interface arranged on the scanner housing. The button interface includes a first button having a contact surface with a first tactile characteristic and a second button having a contact surface with a second tactile characteristic. The first button is activated when a first activation weight is applied on the contact surface of the first button and the second button is activated when a second activation weight is applied on the contact surface of the second button. The first tactile characteristic is different from the second tactile characteristic, and/or the first activation weight is different than the second activation weight.

Abstract: A computer-implemented method for flattening a digital 3D mesh representing a dental object includes obtaining the digital 3D mesh; determining a circumferential mesh boundary in the digital 3D mesh, wherein the mesh boundary includes multiple boundary vertices surrounding multiple inner vertices; determining a target shape with a circumferential target boundary, wherein the target shape is planar; for each vertex of the boundary vertices, performing coherent mapping to an anchor point on the target boundary corresponding to the respective vertex; for each vertex of the boundary vertices, translating the respective boundary vertex to its corresponding anchor point on the target boundary; and flattening the inner vertices to the target shape to generate a flattened mesh based on the anchor points.

Abstract: An intraoral scanning system is disclosed that includes an intraoral scanning device configured to acquire first and second light information reflected from a dental object. The system further includes processors connected to the intraoral scanning device, with at least one of the processors being a remote computer. The processors may be configured to determine, in real-time, surface information from the first light information; generate a three-dimensional surface model of the dental object using the surface information; and determine internal information from the second light information. A wireless communication interface communicates between the device and the remote computer over a wireless communication protocol including a first and a second wireless network protocol. The surface information is transmitted via the first wireless network protocol while the internal information is transmitted via the second wireless network protocol.

Abstract: A method including receiving, in a user interface of a mobile application, a selection of a dental condition, displaying buttons representative of digital 3D dental models available for comparison, wherein the buttons include a first button associated with a first digital 3D dental model and a second button associated with a second digital 3D dental. The method further includes receiving a selection of the first button, and in response, displaying the first digital 3D dental model in the user interface. Further, the method includes launching a compare mode of the mobile application by detecting a drag command performed by a user, the drag command including a drag motion from a compare button to the second button, and in response to the drag command, displaying a transition from the first digital 3D dental model to the second digital 3D dental model.

Abstract: 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.

Abstract: An extraoral scanner system for determining a 3D geometry of a dental object: at least one camera; a pattern generator configured to generate a probe light with a plurality of configurations in the form of an illumination pattern; an optical system configured to transmit the probe light towards the dental object, and to transmit at least a part of the light returned from the dental object to the camera to form a plurality of 2D dental data, an intraoral mirror device configured to reflect the probe light towards the dental object, and to transmit at least a part of the light returned from the dental object to the camera to form a plurality of 2D mirror dental data, and one or more processors.

Abstract: A method for designing virtual models of custom ear devices according to user input and component and/or material information associated with components and/or materials of a target product is provided. The method may include steps for displaying the virtual models together with meta data that include information on the device's compatibility with the configuration requirements and the contained components. A computer-readable storage medium or computer program, including commands, which when executed by a computer, causes the computer to execute and perform the method, is also provided. A system for determining virtual models of custom ear devices is further disclosed. The system may further be configured to display the virtual models of custom ear devices together with associated meta data on a graphical user interface.

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.

Abstract: An intraoral scanner system includes a handheld intraoral scanner, one or more processors, and a graphical user interface. The one or more processors is configured to change an appearance of a digital movable item displayed in the graphical user interface, to reflect an instruction to modify an orientation or design of a digital 3D model of a dental object displayed in the graphical user interface, included in a digital element of one or more digital elements displayed in the graphical user interface, when the digital movable item is positioned over the digital element of the one or more digital elements. A method is provided for performing the change of the appearance of the digital movable item.

Abstract: A support unit for an intraoral scan device includes a rigid part having a first surface and a second surface opposed to the first surface, and a first flexible part configured to be removably attached to the rigid part. The first flexible part includes at least a friction surface configured to hold the intraoral scan device.