Abstract: Embodiments for estimating a surface texture of a tooth are described herein. One method embodiment includes collecting a sequence of images utilizing multiple light conditions using an intra-oral imaging device and estimating the surface texture of the tooth based on the sequence of images.

Abstract: A processing device of a system makes a comparison between a current image of an oral cavity of a patient and one or more previously received images of the oral cavity of the patient, the current image and the one or more previously received images having been generated by an intraoral scanner. The processing device determines an amount of overlap between a current field of view of the intraoral scanner and topography scans of the oral cavity based on the comparison. The processing device outputs a warning indicator associated with a positioning of the current field of view of the intraoral scanner responsive to determining that the amount of overlap fails to meet or exceed an overlap threshold.

Abstract: A system comprises an intraoral scanner comprising one or more cameras that define a field of view (FOV) of the intraoral scanner, and a computing device. The computing device is configured to: process intraoral scans to generate a three-dimensional (3D) surface of a dental site during an intraoral scanning session; output a representation of the 3D surface to a display; determine a current position and orientation of the FOV of the intraoral scanner relative to the 3D surface; output a representation of the FOV of the intraoral scanner at the current position and orientation relative to the 3D surface to the display; determine suggested next positions and orientations of the FOV of the intraoral scanner relative to the 3D surface; and output the suggested next positions and orientations of the FOV of the intraoral scanner relative to the 3D surface to the display.

Abstract: Systems and computer implemented methods that include motion compensation in a three-dimensional (3D) scan. Motion compensation can include receiving 3D scans of a dentition, registering a distorted scan of the 3D scans with a previous scan and a subsequent scan of the 3D scans, estimating a motion trajectory from the previous scan to the subsequent scan, and calculating a corrected scan for the distorted scan by compensating for the motion trajectory from the previous scan to the subsequent scan.

Abstract: Embodiments relate to techniques for real-time and post-scan visualization of intraoral scan data, which may include 3D images, 3D scans, 3D surfaces and/or 3D models. In one embodiment, an intraoral scanning system comprises a plurality of image sensors to periodically generate a set of intraoral two-dimensional (2D) images, wherein for each set of intraoral 2D images each image sensor of the plurality of image sensors is to generate an intraoral 2D image, and wherein relative positions and orientations of the plurality of image sensors are known. The intraoral scanning system further comprises a computing device, wherein the computing device is to perform the following for each set of intraoral 2D images: generate a combined intraoral image based on merging the set of intraoral 2D images together during scanning; and output the combined intraoral image to a display.

Abstract: The example systems, methods, and/or computer-readable media described herein help with design treatment plans for orthodontic treatments. Treatment templates expressed according to treatment domain-specific protocols may be processed to provide treatment planning software, including automated or real-time treatment planning software, that accommodates treatment preferences of a practitioner and/or patient data relevant to a treatment plan. These methods and systems may be also be useful for planning, designing and producing as series of dental appliances (e.g., aligners).

Abstract: A method of intraoral scanning includes receiving a first one or more intraoral scans of a patient's oral cavity; automatically determining, based on processing of the first one or more intraoral scans, a first scanning role associated with the first one or more intraoral scans, wherein the first scanning role is a first one of an upper dental arch role, a lower dental arch role or a bite role; and determining a first three-dimensional surface associated with the first scanning role.

Abstract: A system includes a scanner configured to generate image data of dental arches, a data store configured to store the image data, and a computing device. The computing device is to: perform an analysis of a representation of a dental arch from first image data and a second representation of the dental arch from second image data; determine that gingival recession has occurred at first regions and that tooth wear has occurred at second regions based on the analysis; generate a first color visual overlay that identifies the first regions; generate a second color visual overlay that identifies the second regions; receive user selection of at least one type of clinical issue on the dental arch; and output, to a display and in accordance with the user selection, the representation of the dental arch and at least one of the first color visual overlay or the second color visual overlay.

Abstract: In embodiments set forth herein, an intraoral scanning system includes a first intraoral scanner, a second intraoral scanner, and a computing device wirelessly connected to both the first intraoral scanner and the second intraoral scanner. The computing device receives first intraoral scan data from the first intraoral scanner and generates a first three-dimensional (3D) surface of at least a portion of a first patient's dental arch based on the first intraoral scan data. The computing device further receives second intraoral scan data from the second intraoral scanner and generates a second 3D surface of at least a portion of a second patient's dental arch based on the second intraoral scan data.

Abstract: The example systems, methods, and/or computer-readable media described herein help with design treatment plans for orthodontic treatments. Treatment templates reflecting a user's treatment preferences are expressed in a domain-specific treatment language and include treatment protocols. Orthodontic treatment plans are customized based on the treatment templates and a physical condition of the patient. Treatment appliances are fabricated based on the customized orthodontic treatment plans.

Abstract: A processing device may execute instructions from a computer readable medium to perform operations comprising: making a comparison between first image data of at least a portion of a dental arch and second image data of at least the portion of the dental arch; determining a plurality of differences between a first representation of at least the portion of the dental arch in the first image data and a second representation of at least the portion of the dental arch in the second image data; determining that a first difference of the plurality of differences is attributable to tooth movement; determining that a second difference of the plurality of differences is attributable to tooth wear to one or more teeth on at least a portion of the dental arch; and generating a third representation of at least the portion of the dental arch that is a modified version of the second representation, wherein a visual indication of the tooth wear is provided in the third representation.

Abstract: Methods and apparatuses (including systems and devices), including computer-implemented methods for segmenting, correcting and/or modifying a three-dimensional (3D) model of a subject's oral cavity to determine individual components such as teeth, gingiva, tongue, palate, etc., that may be selective and/or collectively digitally manipulated. In some implementations, artificial intelligence uses libraries of labeled 2D images and 3D dental models to learn how to segment a 3D dental model of a subject's oral cavity using 2D images, height map and/or other data and projection values that relate the 2D images to the 3D model. As noted herein, the dental classes can include a variety of intra-oral and extra-oral objects and can be represented as binary values, discrete values, a continuum of height map data, etc. In some implementations, several dental classes are predicted concurrently.

Abstract: Apparatuses, including sleeves, intraoral scanning systems to use these sleeves, and methods of using the sleeve, that authenticate the sleeve for use with an intraoral scanning system. Authentication may include verifying that the sleeve is new (unused) and/or verifying that the sleeve is appropriate and/or intended for use with the intraoral scanning system. Once authenticated, operation parameters of the intraoral scanning system can be automatically set based on information from a scanned identifier on the sleeve.

Abstract: Provided herein are devices and methods generating a panoramic rendering of a subject's teeth. Methods and processes are provided to image the subject's teeth with a dental scan. Methods and processes are also provided to automatically 3D render the subject's teeth with the scan images. Methods and apparatuses are also provided to generate simulated panoramic views of the subject's dentition from various perspectives.

Abstract: A system includes a scanner comprising a light source to emit light onto an object, and an image sensor to form a sequence of images of the object under a plurality of different conditions. The system includes a computing device to perform a calibration of the scanner by determining, from the sequence of images, differences in measured coordinates for a plurality of points on the object under the plurality of different conditions, generating or updating one or more compensation models that compensate for inaccuracies of the intraoral scanner based at least in part on the differences in the measured coordinates for the plurality of points of the object between the plurality of different conditions, and storing the one or more compensation models. The one or more compensation models cause the intraoral scanner to be a calibrated intraoral scanner.

Abstract: A processing device of a system makes a comparison between a current image of an oral cavity of a patient and one or more previously received images of the oral cavity of the patient, the current image and the one or more previously received images having been generated by an intraoral scanner. The processing device determines an amount of overlap between a current field of view of the intraoral scanner and topography scans of the oral cavity based on the comparison. The processing device outputs a warning indicator associated with a positioning of the current field of view of the intraoral scanner responsive to determining that the amount of overlap fails to meet or exceed an overlap threshold.

Abstract: A method includes receiving intraoral scan data of dental site of a patient, generating a virtual three-dimensional (3D) model of the dental site using the intraoral scan data, and outputting a view of the virtual 3D model to a display. The method further includes identifying a plurality of areas of interest (AOIs) on the virtual 3D model, determining adjustments to the view of the virtual 3D model to transition between views of the plurality of AOIs, and automatically adjusting the view of the virtual 3D model based on the determined adjustments.

Abstract: An intraoral scanner comprises one or more reconfigurable buttons, a display configured to display at least one of one or more icons or one or more texts associated with the one or more reconfigurable buttons, one or more cameras configured to capture intraoral scan data of at least a part of a dental arch, and a communication module configured to transmit the intraoral scan data to a first computing device.

Abstract: A system comprises an intraoral scanner, a first computing device and a second device. The intraoral scanner includes light projectors to generate a light pattern, one or more cameras to capture 2D images of the 3D dental object in response to illuminating said 3D dental object using the one or more light projectors, and a processor configured to process the 2D images to generate intraoral scan data. The first computing device is configured to receive the intraoral scan data from the intraoral scanner, generate a digital 3D model of at least part of the 3D dental object based on the intraoral scan data, generate a plurality of 2D images of the digital 3D model, and transmit the plurality of 2D images to a second device. The second device is configured to output the plurality of 2D images to a display associated with the second device.

Abstract: A system includes an intraoral scanner configured to generate intraoral scan data comprising intraoral images of an arch of a patient, and a computing device operatively coupled to the intraoral scanner. The computing device is configured to receive the intraoral scan data comprising the intraoral images of the arch generated during scanning of the arch by the intraoral scanner, a plurality of objects each comprising a surface pattern having been applied onto the arch of the patient prior to the scanning of the arch, wherein at least some of the intraoral images comprise representations of one or more objects of the plurality of objects. The computing device is further configured to generate a three-dimensional (3D) model of the arch using the intraoral images that comprise representations of the one or more objects and output the 3D model to a display.