Abstract: A method includes sending a dental impression kit to a user including dental trays of different sizes including a first set of dental trays having a first size and a second set of dental trays having a second size, a base putty, and a catalyst putty, where the base putty and the catalyst putty are mixable to form a putty mixture for creating dental impressions. The method includes receiving dental impressions created using the first set of dental trays, the first set of dental trays having been selected by the user based on a fit of a first dental tray of the first set on a dental arch of the user relative to a fit of a second dental tray of the second set, and manufacturing a plurality of dental aligners specific to the user and being configured to reposition one or more teeth of the user.

Abstract: Systems and methods for identifying tooth keypoints are disclosed. A method includes receiving digital representations comprising patient teeth, and identifying a first tooth outline from a first digital representation and a second tooth outline from a second digital representation. The method includes retrieving a 3D mesh comprising model teeth. The method includes projecting a first mesh boundary onto a patient tooth and modifying the first mesh boundary to match the first tooth outline. The method includes identifying a first tooth point on the first tooth outline that corresponds with a first mesh point on the first mesh boundary. The method includes mapping the first tooth point to the 3D mesh. The method includes determining that the first and second tooth points correspond to a common 3D mesh point. The method includes designating the first tooth point as a keypoint. The method includes modifying a digital representation based on the keypoint.

Abstract: Systems and methods for identifying tooth correspondences are disclosed. A method includes receiving a digital representation including patient teeth, and identifying a tooth outline from the digital representation. The method includes retrieving a 3D mesh including model teeth. The method includes projecting a first mesh boundary onto a patient tooth and modifying the first projected mesh boundary to match the first tooth outline. The method includes identifying a first tooth point on the first tooth outline that corresponds with a first mesh point on the first projected mesh boundary. The method includes mapping the first tooth point to the 3D mesh. The method includes determining that the first and second tooth points correspond to a common 3D mesh point. The method includes modifying at least one of the digital representation or the 3D mesh based on determining the tooth points correspond to the common 3D mesh point.

Abstract: A distributed system includes one or more servers configured to provide computing devices access to portals hosted by the one or more servers, where the portals include a patient intake portal accessible by a first computing device located at an office of an intake dentist or orthodontist, and an approving portal accessible by a second computing device remote from the first computing device. The distributed system includes a dental aligner fabrication system including a fabrication computing device and dental aligner fabrication equipment. The patient intake portal is configured to provide a plurality of status updates to the intake dentist or orthodontist regarding a status of the patient, where the plurality of status updates include an indication that the dental aligners have been sent to the patient.

Abstract: A device for repositioning a patient's teeth includes a shell having a shape corresponding to the patient's teeth and including an inner surface, where the inner surface is configured to engage with the patient's teeth. The device also includes at least one region of the inner surface having a higher frictional coefficient than a remaining portion of the inner surface, and where the at least one region is configured to apply a force to at least one tooth of the patient's teeth, wherein the at least one region comprises a local variation in geometry relative to a remainder of the inner surface.

Abstract: A method of cutting a dental aligner includes identifying, for each tooth of a plurality of teeth of a model representative of a dentition of a user, a first point and a second point based on a line around tooth (LAT) for the tooth, determining a distance between the first point and a cut plane based on a characteristic of the dentition where the distance for a first is different than the distance for a second tooth, identifying a plurality of points on a first LAT of the first tooth based on the first cut plane and a plurality of points on a second LAT of the second tooth based on the second cut plane, and defining a cut line based on the plurality of points on the first LAT and the plurality of points on the second LAT.

Abstract: Systems and methods for intraoral scanning include determining, by an appointment management system, a condition that dental impressions have not been received from a user within a threshold time period where the user was provided with an in-home dental impression kit, generating and communicating a message to the user based on the condition where the message prompts the user to schedule an appointment at an intraoral scanning site, receiving a request to schedule an appointment at the intraoral scanning site where the intraoral scanning site has an intraoral scanner configured to conduct an intraoral scan of a mouth of the user, and conducting the intraoral scan using the intraoral scanner at the intraoral scanning site where the intraoral scan generates three-dimensional data of the mouth of the user.

Abstract: Systems and methods for fabricating a dental aligner are provided. The system includes a computing system to receive and prepare a digital model of a dental aligner by adding one or more support structures to the digital model. The system includes a fabrication system to manufacture the dental aligner with the one or more support structures. The system includes a laser system to receive the fabricated dental aligner, orient the dental aligner relative to the laser system, and laser cut an interface between the support structures and the dental aligner to remove the one or more support structures from the dental aligner.

Abstract: A method includes receiving, by a model generation engine, an image of a dental arch of a user, executing, by the model generation engine, a machine learning model that is trained to receive the image and output a representation of the image, where in at least one iteration during training, the machine learning model determines a difference between one or more features extracted from an iteration of the representation of the image and a corresponding one or more features extracted from the image, and the method further includes outputting, by the model generation engine, an output representation of the image.

Abstract: A method includes receiving a digital model of a dentition comprising at least one tooth comprising a plurality of tooth faces, determining a factor of engagement for each of the plurality of tooth faces, determining an addressable area of the at least one tooth based on the factors of engagement of the plurality of tooth faces, identifying an area of engagement of the at least one tooth where the area of engagement comprises at least a portion of the addressable area and where the portion comprises at least one tooth face accessible by a dental appliance to apply a force to the at least one tooth to effectuate the movement, and outputting a controllability score for the at least one tooth based on the area of engagement.

Abstract: Systems and methods include determining, by an appointment management system, a condition that an appointment to conduct an intraoral scan at an intraoral scanning site has been missed by a user, automatically generating a message to the user indicating that an at-home dental impression kit can be sent to the user based on determining that the appointment has been missed, and transmitting the automatically generated message to a communications device associated with the user.

Abstract: A fixture plate includes a base having a contact face configured to support a dental model having a material formed thereon. The material includes an aligner material portion and an excess material portion. The fixture plate includes one or more channels formed in the contact face. The fixture plate includes a bore extending through the base from a bottom opening to the contact face. A portion of the bore located along the bottom opening is configured to couple with a hose of a vacuum system configured to generate a suction force at the contact face via the one or more channels. The suction force is applied to the dental model and at least part of the excess material portion to retain the dental model and the material formed thereon against the contact face.

Abstract: Systems and methods for generating a user skeletal model are disclosed herein. A method includes receiving, by one or more processors, a digital representation of a user. The digital representation comprises at least one of a 2D image or a video. The method includes retrieving, by the one or more processors, a template skeletal model. The method includes adjusting, by the one or more processors, the template skeletal model to match a profile of the user depicted in the digital representation. The method includes generating, by the one or more processors, a user skeletal model that resembles a skeleton of the user.

Abstract: A system includes one or more processors coupled to a non-transitory memory, where the one or more processors are configured to generate, using a training set comprising one or more two-dimensional (2D) training images of a dental arch and a three-dimensional (3D) dental arch model, a machine-learning model configured to generate 3D models of dental arches from 2D images of the dental arches, receive one or more 2D images of a dental arch of a user obtained by a user device of the user, and execute the machine-learning model using the one or more 2D images as input to generate a 3D model of the dental arch of the user.

Abstract: Systems and methods for generating a 3D model of a dentition are disclosed herein. A method includes generating a first 3D model of a dentition. The dentition includes a model tooth in a first position. The method includes receiving a digital representation comprising a patient tooth. The patient tooth corresponds to the model tooth of the first 3D model. The method includes determining a virtual camera parameter associated with the digital representation. The method includes adjusting the virtual camera parameter to determine a 3D position of the corresponding patient tooth. The method includes moving the model tooth of the first 3D model from the first position to a second position. The second position corresponds to the 3D position of the corresponding patient tooth. The method includes generating a second 3D model comprising the model tooth of the first 3D model in the second position.

Abstract: Systems and methods for fabricating a dental aligner are provided. The system includes a computing system to receive and prepare a digital model of a dental aligner by adding one or more support structures to the digital model. The system includes a fabrication system to manufacture the dental aligner with the one or more support structures. The system includes a laser system to receive the fabricated dental aligner, orient the dental aligner relative to the laser system, and laser cut an interface between the support structures and the dental aligner to remove the one or more support structures from the dental aligner.

Abstract: Systems and methods disclosed herein include a processor and a non-transitory computer readable medium containing instructions that when executed by the processor causes the processor to receive an image representing a first portion of a mouth of a user, segment the image to generate segmented regions of teeth present in the image, generate an imaging record by mapping the segmented regions of teeth present in the image to a template model where the imaging record indicates regions of the teeth that remain to be captured, and provide feedback identifying the regions of the teeth that remain to be captured based on the imaging record.

Abstract: A method to generate a photo realistic dentition image includes receiving a 2D image of a patient dentition including a plurality of patient teeth. The method includes obtaining a template dentition including a plurality of template teeth that correspond with a subset of the patient teeth. The method includes generating a tooth location input to position the plurality of template teeth relative to the subset of the plurality of patient teeth. The method includes identifying an area of generation in the 2D image including a plurality of pixels and contextual information. The method includes generating new photo realistic teeth based on the tooth location input, the contextual information, and the area of generation. The method includes disposing the photo realistic teeth in the 2D image.

Abstract: Systems and methods for trimming dental aligners include a cut line system for identifying a first point and a second point based on a line around tooth (LAT) for a tooth of a model representative of a dentition of a user, where the first point is disposed on a tooth-gingiva interface of the tooth. The cut line system defines a cut plane at a distance from the first point toward the second point, where the cut plane intersects a line between the first point and the second point, identifies a plurality of points on the LAT based on the cut plane, defines a cut line based on the plurality of points on the LAT and the first point, and controls a cutting system to cut the dental aligner along the cut line.