Molar trimming prediction and validation using machine learning
Granted: July 16, 2024
Patent Number:
12036093
Provided herein are systems and methods for determining if a 3D tooth model requires trimming or removal of incomplete or missing data (e.g., gingiva covering a portion of a tooth such as a molar). A patient's dentition may be scanned and/or segmented. Features of the patient's teeth can be determined, including a tooth center point of at least three of the patient's teeth. The features of the patient's teeth are used to access a parametric model. A trim plane normal vector is identified…
Dental attachment placement apparatuses and systems
Granted: July 16, 2024
Patent Number:
12036087
Dental attachment placement apparatuses and related systems. An apparatus may include a body having attachments. The attachments, when worn at specified locations on the patient's dentition, may engage with one or more aligners to direct repositioning forces from the aligner(s) to the patient's dentition. The body of the apparatus may have contoured surfaces shaped in accordance with corresponding surfaces of the patient's teeth. The apparatus may also include supports extending from…
Orthodontic tooth movement device, systems and methods
Granted: July 16, 2024
Patent Number:
12036086
The present invention provides orthodontic appliances and systems, and related methods, for applying a force to a target tooth as an appliance is worn by the patient. One positioning appliance includes a tooth positioning appliance having teeth receiving cavities shaped to apply a positioning force to the patient's teeth. The appliance includes a spring-loaded tooth movement device disposed in the appliance so as to engage an attachment mounted on a surface of a patient's tooth and apply…
Noninvasive multimodal oral assessment and disease diagnoses apparatus and method
Granted: July 9, 2024
Patent Number:
12033742
Methods and apparatuses for assessing oral health and automatically providing diagnosis of one or more oral diseases. Described herein are intraoral scanning methods and apparatuses for collecting and analyzing image data and to detect and visualize features within image data that are indicative of oral diseases or conditions, such as gingival inflammation or oral cancer. These methods and apparatuses may be used for identifying and evaluating lesions, redness and inflammation in soft…
Dental materials using thermoset polymers
Granted: July 9, 2024
Patent Number:
12029623
Provided herein are crosslinked polymers useful in orthodontic appliances and light polymerizable liquid compositions and formulations useful for making crosslinked polymers. Also provided are methods of making an orthodontic appliance comprising a cross-linked polymer formed by a direct fabrication technique.
Various structured supports for 3D printed aligners/mouth pieces
Granted: July 9, 2024
Patent Number:
12029621
A support is coupled to an appliance to decrease warpage. The support may comprise a plurality of extensions coupled to the appliance to decrease warpage. The extensions can be coupled to the appliance at one or more of many locations, such as on an occlusal surface, a wall, an edge or an interior of the appliance. In some embodiments, the extensions are coupled to walls of the appliance such as a buccal wall and a lingual wall, and the extensions can be coupled to the walls of the…
Dental aligner storage case
Granted: July 9, 2024
Patent Number:
D1035006
Dental analysis with missing teeth prediction
Granted: July 2, 2024
Patent Number:
12023216
Methods and media for analyzing a patient's dental arches in order to generate a treatment plan for the dentition when the patient is missing one or more teeth. The methods and media can include indentifying one or more missing teeth, and estimating one or more dimensions of the one or more missing teeth.
Method of forming a dental appliance
Granted: July 2, 2024
Patent Number:
12023846
Methods of forming dental appliances. The methods may include partially curing a prepolymer mixture in a first mold to form a partially cured polymer mixture. The first mold may have an internal cavity that is shaped to provide the partially cured polymer mixture with a first shape having a channel in accordance with a dental arch. The first shape may have a greater thickness at locations corresponding to where a gingival line of the dental appliance will be formed compared to a…
Positioning three-dimensional brackets on teeth
Granted: July 2, 2024
Patent Number:
12023217
Positioning 3D virtual brackets on teeth for the precise positioning of conventional brackets and wire. Various reference features may be calculated for the teeth and used to calculate a position for the virtual bracket. Reference features that may be calculated include curve of Spee, Andrew's plane, and a facial axis of the clinical crown for the teeth.
Apparatus for mandibular relocation
Granted: June 25, 2024
Patent Number:
12016748
An apparatus for mandibular relocation may include a first appliance. The first appliance may include a first plurality of a teeth receiving cavities, a first engagement structure that may include a first engagement surface, and, a second engagement structure that may include a second engagement surface. The apparatus may include a second appliance. The second appliance may include a second plurality of teeth receiving cavities, a third engagement structure that may include a third…
Methods and systems of digital dental modeling
Granted: June 25, 2024
Patent Number:
12016745
Embodiments are provided for digital dental modeling. One method embodiment includes receiving a three-dimensional data set including a first jaw and a second jaw of a three-dimensional digital dental model and receiving a two-dimensional data set corresponding to at least a portion of the first jaw and the second jaw. The method includes mapping two-dimensional data of the two-dimensional data set to the three-dimensional digital dental model by transforming a coordinate system of the…
Dental appliance features for preventing lisping
Granted: June 18, 2024
Patent Number:
12011387
Dental appliances for preventing lisping. An aligner body is configured to apply orthodontic force to a patient's teeth within a dentition-receiving cavity to gradually align the patient's teeth. The dentition-receiving cavity includes a posterior teeth region having lateral walls configured to receive the patient's posterior teeth. The posterior teeth region includes occlusal cut-outs that are configured to expose occlusal surfaces of at least a portion of the patient's posterior teeth.…
Mounting system for optical element of intraoral scanner
Granted: June 18, 2024
Patent Number:
12011338
A scanner for scanning a dental site comprises a base, a detector mounted to the base, and an optical element to redirect light reflected off of the dental site towards the detector along a detection axis in a first direction. Two or more flexures couple the optical element to the base, wherein the two or more flexures maintain an alignment of the optical element to the detector with changes in temperature.
Wireless intraoral scanner for distributed intraoral scanning system
Granted: June 18, 2024
Patent Number:
12011337
In embodiments set forth herein, an intraoral scanner comprises a body, a probe at one end of the body, the probe comprising a scanner head, a wireless communication module disposed within the body, one or more optical sensor, and a touchscreen disposed on the body. The one or more optical sensor is to receive light that enters the scanner head and generate intraoral scan data based on the light, wherein the wireless communication module is to wirelessly send the intraoral scan data to a…
Methods of forming dental tooth positioning appliances
Granted: June 18, 2024
Patent Number:
12011332
Methods of forming dental tooth positioning appliances. Methods may include identifying a portion of a first digital model corresponding to a portion of the dentition for chemical treatment. Methods may also include forming a second digital model with a scaled up cavity by scaling up a size of a tooth of the first digital model. Methods may further include forming a polymeric shell including a scaled up cavity having dimensions that are proportional to a corresponding surface of the…
Dental attachment placement structure
Granted: June 11, 2024
Patent Number:
12004919
Dental attachment placement templates and dental appliance systems. The dental attachment placement templates may include a body configured to position a dental attachment over an attachment site on a surface of a tooth. The body may include an aperture, supports that extend from the body within the aperture, a connection member that connects the dental attachment to the supports, and a contoured surface shaped to register with one or more teeth. The connection member may be integrally…
Reinforced aligner hooks
Granted: June 4, 2024
Patent Number:
11998418
Orthodontic positioning devices, and related methods and systems, are disclosed for use with one or more orthodontic elastic members. The disclosed devices are configured to couple with an orthodontic elastic member so as to react a force from the elastic member into the appliance to, for example, generate traction forces on the patient's teeth to produce a desired occlusion. A positioning device includes a patient removable tooth positioning appliance having teeth receiving cavities…
Tooth shading, transparency and glazing
Granted: June 4, 2024
Patent Number:
11998410
Systems, methods, and/or computer-readable media described herein provide technical solutions to aid in the color matching of dental restorations. These systems, methods and/or computer readable media may receive a three-dimensional (3D) model of a tooth, where the 3D model includes a plurality of voxels, set each voxel to a starting optical property, and form a 3D visible light model from the 3D model by iteratively adjusting the optical property of each voxel based on optical…
Methods of dental wire attachment
Granted: May 28, 2024
Patent Number:
11992386
Methods of attaching a wire to a dentition. The methods may include placing a shell on the dentition, where first cavity of the shell includes an attachment material reservoir for receiving an attachment material, and second cavity of the shell includes a wire attachment member having a slot for receiving the wire. The methods may also include placing the wire through the attachment material reservoir and through the slot of the wire attachment member to hold the wire in position with…
