Abstract: A computer-implemented method of processing a digital dental impression includes determining one or more first digital surface regions visible from a first side of the digital dental impression along an occlusion axis and one or more second digital surface regions visible from a second side of the digital dental impression along the occlusion axis, segmenting the digital dental impression into one or more digital segments and determining the one or more digital segments as a first digital segment or a second digital segment based on the majority of digital surface regions in the one or more digital segments.

Abstract: A system and method of processing a CT scan includes receiving a plurality of radiographs and determining an axis of rotation per scan from the plurality of radiographs prior to CT reconstruction.

Abstract: A method and system provide segmenting a digital tooth in a 3D digital model of dentition.

Abstract: Computer-implemented method and system automatically detects an out-of-view CT scan by receiving a voxel density file, determining a threshold iso-value of density between air density and a material density of one or more scanned objects in the voxel density file, and evaluating, using the threshold iso-value of density, one or more horizontal slices of the voxel density file to determine whether at least a portion of the one or more scanned objects is out of view.

Abstract: Methods for verifying manufacturing data are provided. In some embodiments, a method includes retrieving a fabrication data package including manufacturing data for one or more dental appliances, where the manufacturing data includes one or more treatment stages for repositioning a patient's teeth using the one or more dental appliances. The method can include determining whether there is an error in the manufacturing data of the fabrication data package. In response to a determination that there is an error in the manufacturing data, the method can include requesting a corrected fabrication data package, and transmitting the corrected fabrication data package to at least one fabrication terminal configured to execute a fabrication process for manufacturing the one or more dental appliances.

Abstract: A computer-implemented method and system of digitally segmenting teeth in a digital model comprises generating a panoramic image from a 3D digital model of a patient's dentition, labeling, using a first trained neural network, the panoramic image to provide a labeled panoramic image, mapping the labeled panoramic image to corresponding coarse digital surface triangle labels in the 3D digital model to provide a labeled 3D digital model, and segmenting the labeled 3D digital model to provide a segmented 3D digital model. A computer-implemented method and system of generating a panoramic image comprises determining, using a trained neural network, digital tooth bounding region(s) corresponding to digital teeth from a 2D depth map of a patient's dentition, connecting digital tooth bounding region(s) by a spline, determining sampled digital surface points from the sampled spline points; and determining associated digital surface points corresponding to each sampled digital surface point.

Abstract: A computer-implemented method of processing a digital dental impression includes determining one or more first digital surface regions visible from a first side of the digital dental impression along an occlusion axis and one or more second digital surface regions visible from a second side of the digital dental impression along the occlusion axis, segmenting the digital dental impression into one or more digital segments and determining the one or more digital segments as a first digital segment or a second digital segment based on the majority of digital surface regions in the one or more digital segments.

Abstract: Systems for volume manufacturing of items are provided. In some embodiments, a fabrication system is configured to retrieve a fabrication data package including manufacturing data. The system can verify the manufacturing data of the fabrication data package, and transmit the fabrication data package to at least one fabrication terminal configured to perform at least one fabrication process in accordance with the manufacturing data of the fabrication data package. If a predefined fabrication processing time period has not expired, the system can determine a process load associated with at least one additional fabrication data package, and repeating the above processes for the at least one additional fabrication data package, if the process load of the at least one additional fabrication data package is less than a predetermined process load of the fabrication system. If the predefined fabrication processing time period has expired, the system can generate a status report.

Abstract: A system includes one or more processors configured to receive a first three-dimensional (3D) representation of a dentition where the first 3D representation includes a plurality of tooth portions each representing a crown of a tooth in the dentition, identify, for each of the plurality of tooth portions, a corresponding tooth reference model from a data source, morph each of the tooth reference models based on the corresponding tooth portion for the crown in the dentition to generate a morphed tooth representation for the teeth in the dentition, where the morphed tooth representations have a morphed tooth portion that substantially matches the corresponding tooth portion representing the crowns of the teeth in the dentition from the first 3D representation, generate a second 3D representation of the dentition including each of the morphed tooth representations.

Abstract: A system and method can determine one or more CT scanner calibration parameters from a plurality of calibration object projections in a plurality of radiographs.

Abstract: A system and method include performing digital block-out of one or more digital preparation teeth.

Abstract: Systems, methods, and computer readable medium of visualizing a treatment of teeth includes capturing, by a user device, a representation representing one or more teeth of a user via a camera of a user device, transmitting, by the user device, the representation to a treatment planning system, receiving, by the user device, a graphical visualization of a treatment plan for moving the one or more teeth of the user from the treatment planning system, the graphical visualization generated based on the representation, displaying, by the user device, the graphical visualization, wherein the graphical visualization comprises a three-dimensional (3D) representation corresponding to the one or more teeth of the user and an interactive object associated with the treatment plan.

Abstract: Systems for volume manufacturing of items are provided. In some embodiments, a fabrication system is configured to retrieve a fabrication data package including manufacturing data. The system can verify the manufacturing data of the fabrication data package, and transmit the fabrication data package to at least one fabrication terminal configured to perform at least one fabrication process in accordance with the manufacturing data of the fabrication data package. If a predefined fabrication processing time period has not expired, the system can determine a process load associated with at least one additional fabrication data package, and repeating the above processes for the at least one additional fabrication data package, if the process load of the at least one additional fabrication data package is less than a predetermined process load of the fabrication system. If the predefined fabrication processing time period has expired, the system can generate a status report.

Abstract: Systems and methods for determining movement of teeth include receiving a first 3D representation of a dentition comprising a plurality of teeth of a patient in an initial position, the 3D representation comprising a plurality of tooth representations including a plurality of points representing surfaces of a respective tooth of the dentition, generating, for each tooth representation, a compressed tooth representation using a geometric encoder model trained to compress the 3D representation of the detention, determining tooth movements of the plurality of teeth of the dentition from the initial position to a final position by applying each compressed tooth representation to a final position model trained to output movement of teeth of a dentition from initial positions to final positions, generating another 3D representation of the dentition comprising the plurality of teeth of the patient in the final position based on applying the tooth movements to the first 3D representations.

Abstract: A system includes one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to receive a two-dimensional (2D) representation provided by a user device where the 2D representation represents one or more teeth of a user, generate a three-dimensional (3D) representation of the one or more teeth of the user based on the 2D representation, generate a treatment plan for moving the one or more teeth of the user based on the 3D representation, and provide a graphical visualization of the treatment plan to the user device, wherein the graphical visualization is configured to enable the user to make a selection.

Abstract: A method of visualizing a treatment of teeth includes maintaining a final position model trained to output movement of teeth from initial to final positions, receiving from a user device a first representation comprising teeth of a user in an initial position where the first representation is based on a 2D image transmitted from the user device, determining tooth movements of the teeth from the initial position to a final position using to the final position model, receiving by the user device a graphical visualization of a treatment plan for moving the teeth of the user where the graphical visualization is generated based on the final position and the treatment plan is suitable for correcting the user's malocclusion, and displaying by the user device the graphical visualization where the graphical visualization comprises a three-dimensional (3D) representation corresponding to the teeth of the user.

Abstract: A computer-implemented method and system of determining a material surface from a volumetric density file includes generating a density frequency distribution of a volumetric density file of a dental impression and determining an iso-value of density between air and a particular material in the density frequency distribution. A computer-implemented method and system of creating a digital model from a CT scan of a physical dental impression includes selecting an iso-value of density for a digital volumetric density file having one or more voxels, generating one or more digital surface points in virtual 3D space for each of one or more voxels, and selecting a subset of digital surface points from the one or more digital surface points. A computer-implemented method and system of optimizing a digital surface includes moving one or more digital surface points to satisfy a criteria of optimum digital surface selection.

Abstract: Computer-implemented method and system automatically detects an out-of-view CT scan by receiving a voxel density file, determining a threshold iso-value of density between air density and a material density of one or more scanned objects in the voxel density file, and evaluating, using the threshold iso-value of density, one or more horizontal slices of the voxel density file to determine whether at least a portion of the one or more scanned objects is out of view.

Abstract: A system and method include digitally determining a virtual insertion path of a digital dental restoration,

Abstract: A computer-implemented method and system of automatically detecting and removing extraneous material from a digital dental impression includes detecting one or more dental features in a digital dental impression, filtering the one or more dental features, digitally joining the one or more dental features, and determining one or more regions of interest from the joined one or more digital dental features.