Polymerizable monomers and method of polymerizing the same
Granted: November 26, 2024
Patent Number:
12152092
Provided herein are photopolymerizable monomers, optionally for use as reactive diluents in a high temperature lithography-based photopolymerization process, a method of producing polymers using said photopolymerizable monomers, the polymers thus produced, and orthodontic appliances comprising the polymers.
Systems and methods for orthodontic treatment progress tracking
Granted: November 26, 2024
Patent Number:
12150830
Systems and methods for orthodontic treatment progress tracking. Information based on an orthodontic treatment plan prescribed for a patient undergoing orthodontic treatment may be received. The orthodontic treatment plan specifies planned tooth movements according to a series of treatment stages. An orthodontic progress tracking schedule for the patient based on one or more particular tooth movements of the planned tooth movements may be generated. The orthodontic progress tracking…
Systems and methods for induction of biological response in support structures of the teeth and repositioning thereof
Granted: November 19, 2024
Patent Number:
12144705
A set of primer appliances and a set of treatment appliances to be worn by a subject are provided. The primer appliances are first worn to prepare the local environment of the teeth for further repositioning of the teeth by the treatment appliances. The primer appliances may apply compression or force to one or more support structures of the teeth, in a direction favorable for inducing a biological response of the one or more support structures that prepares the teeth for repositioning,…
Energy-delivering orthodontic aligner systems
Granted: November 19, 2024
Patent Number:
12144704
Aligner systems and methods including a sequence of aligners having energy-delivering elements. For example, first and second aligners of the sequence of aligners may include first and second polymer shells that have shapes for applying respective first and second local forces to first and second regions of a dental arch to move one or more first teeth and one or more second teeth, respectively. The first and second aligners may also include corresponding first and second heating…
Tooth segmentation based on anatomical edge information
Granted: November 19, 2024
Patent Number:
12144701
Provided herein are orthodontic systems and methods for automatically segmenting a person's teeth. Systems, methods and processes are provided to properly segment the teeth of a person's teeth from an image of the person's face showing at least some of the person's teeth (e.g., dental arch). Methods and systems are provided to automatically detect dental edges after a dental scan. Also described herein are methods and systems for generating a simulated image of the person's face from the…
Gesture control using an intraoral scanner
Granted: November 19, 2024
Patent Number:
12144661
Apparatuses (e.g., systems, devices, etc.) and method for scanning both a subject's intraoral cavity as well as detecting, using the same scanner, e.g., wand, finger gestures and executing command controls based on these detected finger gestures.
Automatic calibration of intraoral 3D scanner
Granted: November 12, 2024
Patent Number:
12143558
An intraoral scanner comprises one or more structured light projectors and two or more cameras, where each structured light projector projects a pattern of light onto an intraoral three-dimensional (3D) surface and the two or more cameras capture one or more sets of images, wherein each image includes at least a portion of the projected pattern of light. A processor solves a correspondence problem within a set of images of the one or more sets of images such that points in 3D space are…
Segmentation quality assessment
Granted: November 12, 2024
Patent Number:
12138137
A method for determining tooth numbers of teeth within a dental arch includes receiving a digital scan of a patient's dentition, detecting a cusp associated with at least one tooth in the digital scan, where the cusp is detected based at least in part on a radius of a surface of the cusp, matching a molar shape of the at least one tooth, and identifying the patient's molar tooth based on the molar shape.
Automatic generation of prosthodontic prescription
Granted: November 12, 2024
Patent Number:
12138013
A processing device may receive a plurality of intraoral scans of the patient that were generated by an intraoral scanner, determine a three-dimensional surface of at least a portion of one or more dental arch of the patient using the plurality of intraoral scans, automatically determine whether a restorative dental object is represented in at least one of the three-dimensional surface or one or more intraoral scans of the plurality of intraoral scans, and automatically generate a…
Rendering of post treatment smile image
Granted: November 5, 2024
Patent Number:
12133783
Embodiments may include: receiving a facial image comprising a 2D depiction of a person's teeth at a first arrangement; receiving a tooth model comprising a 3D depiction of the person's teeth at a second arrangement; obtaining color information from the facial image, wherein the color information represents a color scheme of the person's teeth at the first arrangement; and generating a photo-realistic two-dimensional depiction of the person's teeth at the second arrangement using the 3D…
Automatic determination of workflow for restorative dental procedures
Granted: November 5, 2024
Patent Number:
12133710
A method of generating a 3D model includes: determining a 3D surface comprising a preparation tooth using a first plurality of intraoral scans generated by an intraoral scanner at a first time; receiving one or more additional intraoral scans of the preparation tooth that were generated by the intraoral scanner at a second time; determining a change to one or more portions of the preparation tooth between the three-dimensional surface and the one or more additional intraoral scans;…
Nonlinear tooth modeling for orthodontic treatment
Granted: October 29, 2024
Patent Number:
12127906
A method for digital treatment planning may include defining a set of contact points on a tooth of a patient's dentition and a plurality of connections between pairs of the plurality of contact points. The plurality of connections may include Hookian stiffness parameters of a dental appliance between the plurality of contact points. The method may also include generating a relaxed model of a dental appliance using the plurality of contact points and the plurality of connections. The…
Systems and methods for the design and fabrication of provisional and permanent crowns
Granted: October 29, 2024
Patent Number:
12127898
A method for preparing a tooth crown may include generating a 3D model of an external surface of a patient's tooth and generating a 3D model of an external surface of a first crown based on the 3D model of the external surface of the patient's tooth. The method may also include preparing the patient's tooth to receive the first crown while generating the 3D model of the external surface. A 3D model of the prepared tooth my be generated. A 3D model of an internal surface of the first…
Dental diagnostics hub
Granted: October 29, 2024
Patent Number:
12127814
A method includes receiving intraoral scan data of an intraoral cavity of a patient; processing the intraoral scan data to determine, for each dental condition of a plurality of dental conditions, whether the dental condition is detected for the patient and a severity of the dental condition; and presenting indications of the plurality of dental conditions together in a graphical user interface (GUI), wherein the indications show, for each dental condition of the plurality of dental…
Medical imaging data compression and extraction on client side
Granted: October 22, 2024
Patent Number:
12125581
Apparatuses and computer-implemented methods for compression and extraction of three-dimensional (3D) volumetric imaging data, including in particular medical and dental imaging data, that may receive the 3D volumetric image data and preparing compressed 3D volumetric image data for compression by analyzing a relevant region of the 3D volumetric image data. The method may further include compressing, into compressed 3D volumetric image data, the pre-processed static 3D volumetric image…
Orthodontic systems with elastic attachments
Granted: October 22, 2024
Patent Number:
12121412
Systems for orthodontic treatments are provided. In some embodiments, a system includes an attachment configured to be coupled to a tooth of a patient, the attachment having a first elasticity. The system can also include an orthodontic appliance having a shell with a plurality of teeth-receiving cavities shaped to reposition the patient's teeth from a first arrangement toward a second arrangement. The shell can have a second elasticity less than the first elasticity. The orthodontic…
Systems and method for additive manufacturing of dental devices using photopolymer resins
Granted: October 15, 2024
Patent Number:
12115719
Strategies that reduce shrinkage and ultimately warping of parts that are directly fabricated from photopolymer resins. This increases the accuracy of directly fabricated parts, which is essential for patient specific applications. Implementing these strategies can reduce the need for directly fabricated parts to have supporting structures, which can reduce pre-processing and post-processing steps and facilitate an easier route for production level scale of additive manufacturing.
Individualized orthodontic treatment index
Granted: October 8, 2024
Patent Number:
12109089
Systems, methods, and non-transitory computing device readable media for determining an individualized orthodontic treatment index. One embodiment includes generating a target dental model by modifying an initial dental model, graphically marking dental references on the target dental model including assigning contact points between adjacent first and second teeth of the target dental model, generating a treatment outcome dental model representing the patient's dentition after at least a…
Cryptographically secured dental treatment planning
Granted: October 8, 2024
Patent Number:
12109091
A method of cryptographically secured digital dental treatment planning comprises: receiving, at an intraoral scanning system, an intraoral scan of a patient's dentition, wherein the intraoral scan comprises a three-dimensional (3D) surface representing the patient's dentition at a first arrangement; encrypting, at the intraoral scanning system, the intraoral scan to create a cryptographically secured dental record of the patient's dentition; decrypting, at a treatment planning system,…
Palatal expanders for controlling crown tipping
Granted: October 8, 2024
Patent Number:
12109090
Series of apparatuses for expanding a patient's palate (“palatal expanders”), including rapid palatal expanders, wherein a left tooth engagement region and a right tooth engagement region are configured to add anti-tipping torque to at least one tooth. Left and right tooth engagement regions may include lingual surfaces with at least one lingual protrusion. Left and right tooth engagement regions may have buccally rotated cavities.
