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: 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 and a handheld intraoral scanning device are disclosed. The handheld intraoral scanning device is configured to acquire intraoral scan data from a three-dimensional dental object during a scanning session. The handheld intraoral scanning device includes a processing unit configured to process intraoral scan data of a patient and provide 2D image data and/or 3D image data, a memory, and a wireless interface configured to transmit the 2D image data and/or the 3D image data, wherein the processing unit is configured to receive a mode request via the wireless interface, authenticate the mode request; and place the handheld intraoral scanning device into the requested mode if authentication of the mode request succeeds.

Abstract: Embodiments can relate to an intraoral scanning device having a processing unit configured to process intraoral scan data of a patient and provide 2D image data and/or 3D image data. The device can include a memory unit and a wireless interface. The processing unit is configured to receive a session request for a session via the wireless interface; obtain and/or store a session key; and encrypt the session key. The processing unit is configured to send a session response; and receive session data in the session via the wireless interface. Embodiments can also relate to a method for communication of a handheld intraoral scanning. The method involves receiving a session request for a session via the wireless interface; obtaining and/or storing a session key; and encrypting the session key. The method involves sending the encrypted session key; and receiving session data in the session via the wireless interface.

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.

Abstract: According to an embodiment, a dental system and a method of securing communication for a user application installed on an external device of the dental system. The securing communication for the user application includes obtaining challenge data in the server device; transmitting the challenge data from the server device to the user application installed on the external device; transmitting a challenge request including the challenge data from the user application to the intraoral scanning device; receiving a challenge response comprising response data from the intraoral scanning device; forwarding the response data from the user application to the server device; verifying the response data in the server device based on the challenge data; and approving the user application in the server device if verifying the response data is successful.

Abstract: An intraoral scanning device is configured to acquire intraoral scan data from a three-dimensional dental object. The intraoral scanning device includes a processing unit configured to process intraoral scan data and provide 2D image data and/or 3D image data, a memory, and a wireless interface configured to transmit the 2D image data and/or the 3D image data, wherein the processing unit is configured to receive a mode request via the wireless interface, the mode request is one or more of a service mode request for a service mode, a customization mode request, an upgrade mode request and a debug mode request, wherein the service mode is characterized in that a firmware part of the memory is writable, authenticate the mode request; and place the intraoral scanning device into the requested mode if authentication of the mode request succeeds.

Abstract: Embodiments relate to an intraoral scanning device that may include a processing unit configured to process intraoral scan data and provide 2D image data and/or 3D image data, a wireless interface configured for transmitting the 2D image data and/or the 3D image data, and a memory. The processing unit may be configured to receive a linking request for a session via the wireless interface, obtain a session identifier, transmit, via the wireless interface, a linking response. Furthermore, the processing unit may be configured to receive, via the wireless interface, an authentication message, select an intraoral scanning device key from a plurality of intraoral scanning device keys in the memory unit based on an authentication key identifier, verify client device data based on the selected intraoral scanning device key, and terminate the session if the verification fails.

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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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.

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.

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.

Abstract: 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.