Hybrid 3d printing techniques
Granted: May 6, 2025
Patent Number:
12290979
A method of three-dimensional (3D) printing includes heating a photo-curable material and extruding the photo-curable material from a nozzle to form a first layer of an object according to a digital file, wherein the first layer has a first shape specified by the digital file, and wherein the first shape has a first minimum line width based on a diameter of the nozzle. The method further includes directing a light beam onto the first layer according to the digital file or an additional…
Systems for fabricating appliances from polymerizable compositions
Granted: April 29, 2025
Patent Number:
12286493
Systems for fabricating orthodontic appliances are provided. In some embodiments, a system includes a build platform configured to receive a polymerizable composition, the polymerizable composition including a first polymerizable component and a second polymerizable component, the polymerizable composition characterized by an initial ratio of the first polymerizable component to the second polymerizable component. The system can also include a light source configured to form a portion of…
Multilayer dental appliances and related methods and systems
Granted: April 29, 2025
Patent Number:
12285311
A dental appliance for positioning a patient's teeth includes a removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to directly receive at least some of the patient's teeth and apply a resilient positioning force to the patient's teeth. The appliance includes a hard polymer layer having a hard polymer layer elastic modulus disposed between a first soft polymer layer having a first soft polymer layer elastic modulus and a second soft polymer layer…
Protective sleeve for an intraoral scanner
Granted: April 29, 2025
Patent Number:
D1073069
Using a prior three-dimensional model to faciliate intraoral scanning
Granted: April 22, 2025
Patent Number:
12283016
An intraoral scanner system includes an intraoral scanner having an imaging device and a sensing face, and a computing device, communicatively coupled to the intraoral scanner. The computing device receives a first intraoral images of a three-dimensional intraoral object of a patient generated by the intraoral scanner corresponding to an intraoral scanning of the three-dimensional intraoral object of the patient. The computing device registers a first intraoral image of the first…
Customer contact management in association with provisioning products through a provider network of an enterprise
Granted: April 22, 2025
Patent Number:
12282882
Systems, methods, and computer-readable media for managing customer contact based on context. Specifically, a provider in a provider network associated with provisioning a specific product to a specific user can be identified. Context information related to the provider provisioning one or more products in relation to one or more workflows for provisioning the one or more products through the provider network can be accessed. A model can be applied based on the context information to…
Intraoral 3D scanning system using structured light projection
Granted: April 22, 2025
Patent Number:
12279929
A dental scanning system comprises an intraoral scanner and one or more processors. The intraoral scanner comprises one or more light projectors configured to project a pattern (comprising a plurality of pattern features) on a surface of a dental object, and two or more cameras configured to acquire one or more sets of images, wherein each set of images comprises at least one image from each camera, and wherein each image includes at least a portion of the projected pattern. The…
Systems and methods for post-processing additively manufactured objects
Granted: April 15, 2025
Patent Number:
12275191
Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a method includes receiving a plurality of additively manufactured objects having excess material thereon. The method can include removing the excess material from the plurality of additively manufactured objects by rotating the plurality of additively manufactured objects. The method can also include adjusting an environmental temperature while rotating the…
Intraoral 3D scanning system using uniform structured light projection
Granted: April 15, 2025
Patent Number:
12274600
An intraoral scanning system comprises an elongate handheld wand with a probe at a distal end, a structured light projector configured to project a uniform structured light pattern onto an object, a plurality of cameras configured to capture points of the uniform structured light pattern projected onto the object by the structured light projector, and one or more processors. The one or more processors are configured to determine a correspondence between projected points in the uniform…
Dental attachment template tray systems
Granted: April 15, 2025
Patent Number:
12274597
The present disclosure provides methods, devices, and systems for the bonding of attachments for use with dental appliances. For instance, an attachment template tray system may include a template body and a light source tray. Electronic circuitry of the light source tray may be configured to activate, based on a signal from a sensor assembly, radiation source(s) of the light source tray when the light source tray is within a threshold distance of the template body. The template body may…
Apparatuses and methods for three-dimensional dental segmentation using dental image data
Granted: April 8, 2025
Patent Number:
12272067
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…
Methods for selective post-curing of additively manufactured objects
Granted: April 8, 2025
Patent Number:
12269226
Methods for manufacturing objects are provided herein. In some embodiments, a method includes receiving a dental appliance formed using an additive manufacturing process, the dental appliance including a plurality of appliance portions. The method can include identifying, based on sensor data, a location of a subset of the appliance portions on the dental appliance. The method can further include applying energy to a subset of the appliance portions to selectively modify one or more…
Diagnostic intraoral methods and apparatuses
Granted: April 8, 2025
Patent Number:
12268574
Intraoral scanning systems configured to perform computer-implemented methods for identifying dental features. The methods may include engaging a trained machine learning network to identify one or more dental features in one or more regions of a patient's dentition. Each of the dental features may be present in at least one of multiple records. Each of the records may include multiple images of the patient's dentition and may be taken with a different imaging modality. The confidence…
Treatment planning for aligning a patient's teeth
Granted: April 8, 2025
Patent Number:
12268569
Methods and systems (including software) for creating a treatment plan to align a patient's teeth using a plurality of removable aligners to be worn in sequential stages. These methods and systems may generate a plurality of potential treatment plan variations. Each variation may be optimized to best address the user's treatment goals, as well as approximating as closely as possible an ideal or target final position.
Compact intraoral scanner
Granted: April 8, 2025
Patent Number:
12268474
An intraoral scanner comprises a housing, a light source for generating light, an optics system for focusing the light, a detector for detecting returning light reflected off an intraoral object, and a focus shifting mechanism configured to shift a focal plane of the optics system. The optics system is configured such that, after having passed through the optics system, an outermost chief ray of the light with respect to an optical axis of the optics system is divergent to the optical…
Dynamic thermoforming of dental appliances
Granted: April 1, 2025
Patent Number:
12263632
A method includes identifying one or more images of a mold of a dental arch, identifying a digital model corresponding to the mold of the dental arch, providing the one or more images and the digital model as input into a trained machine learning model, receiving, from the trained machine learning model, output, and determining, based on the output, whether the mold matches the digital model.
Orthodontic appliance systems for correcting malocclusions
Granted: April 1, 2025
Patent Number:
12263060
A system for correcting malocclusions may include a maxillary appliance having tooth receiving cavities shaped to receive teeth of a maxilla and a first elastic coupling at gingival line of the maxillary appliance. The first elastic coupling may be configured for receiving an elastic. The system may also include mandibular appliance having tooth receiving cavities shaped to receive teeth of a mandible. The system may also include a corrective appliance having a first coupling configured…
Unitary dental model
Granted: April 1, 2025
Patent Number:
12263050
Improved dental models for use in dental procedures are provided. In one aspect, a unitary dental model of an intraoral cavity of a patient having a dental implant comprises a physical surface representative of gingival tissue of the patient. The model can comprise a channel shaped and oriented to receive an abutment corresponding to a physical abutment to be connected to the dental implant, in which the channel extends to an opening in the physical surface. The channel can comprise a…
Methods, systems and accessories useful for procedures relating to dental implants
Granted: April 1, 2025
Patent Number:
12263049
A method and system are provided for manufacturing a physical dental model. A virtual model is provided representative of at least a portion of the intra-oral cavity including at least one dental implant implanted therein, and the virtual model includes a virtual portion representative of each dental implant. The virtual spatial disposition of each such virtual portion is determined with respect to the virtual model, corresponding to a real spatial disposition of the respective implant…
Intraoral scanner sleeve authentication and identification
Granted: April 1, 2025
Patent Number:
12262869
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…
