Methods and systems for imaging orthodontic aligners
Granted: November 24, 2020
Patent Number:
10842380
Methods and apparatuses for 3D imaging to measure the shape of orthodontic aligners, teeth, and other oral structures simultaneously, in-vivo or in-vitro. These methods and apparatuses may be used to determine contact locations of aligners with teeth and/or teeth with other teeth with very high precision, including determining the size of gaps where they are not in contact. These measurements may be used design, modify or replace an aligner and/or to verify aligner fit. 3D models of the…
Parametric blurring of colors for teeth in generated images
Granted: November 17, 2020
Patent Number:
10835349
A method includes determining, from a first image, a first region comprising teeth, wherein the first region comprises a first set of pixel locations. A first parametric function is generated based on intensities at the first set of pixel locations. Image data comprising new contours of the mouth is received, wherein one or more of the teeth have a different position in the image data than in the first image. A second region comprising the teeth is determined from the image data, wherein…
Apparatus for dental confocal imaging
Granted: November 17, 2020
Patent Number:
10835128
An apparatus for dental confocal imaging comprises an illumination module for generating an array of light beams, an optics system for confocal focusing of the array of light beams and a probe head with a light-guiding part having an entrance face and an exit face. The illumination module, the optics system and the probe head are arranged such that the array of light beams from the illumination module passes through the optics system, enters the light-guiding part via the entrance face…
Laser cutting
Granted: November 10, 2020
Patent Number:
10828719
Laser cutting systems and methods are described herein. One or more systems include a laser generating component, an optical component, a fixture for holding a support with a part positioned on the support, and a control mechanism for adjusting at least one of the laser generating component, the optical component, and the fixture such that a ratio of a laser energy applied to the part and a part material thickness is maintained within a predetermined acceptable range at each point along…
Automated 2D/3D integration and lip spline autoplacement
Granted: November 10, 2020
Patent Number:
10828130
A method may include: receiving an image of a mouth region of a patient's face; extracting teeth contours within the image of the mouth region of the patient's face; locating a mouth opening within the image of the mouth region of the patient's face; extracting the tooth contours from a 3D model of the patient's teeth; and aligning the tooth contours from the 3D model with the tooth contours of the teeth within the image of the mouth region of the patient's face.
Tactile objects for orthodontics, systems and methods
Granted: November 3, 2020
Patent Number:
10820967
Methods, systems, and apparatus's for improving orthodontic treatments. In an embodiment, an orthodontic system including a tactile object is provided for modulating an engagement between a tooth attachment and an orthodontic appliance.
Interproximal reduction templates
Granted: October 27, 2020
Patent Number:
10813720
Interproximal reduction guides apparatuses and methods of making and using them are described herein. These interproximal reduction guides apparatuses may include a body that fits over the patient's dental arch and one or more guide slots formed in them configured to limit the motion of an interproximal reduction cutting tool in a defined manner.
Method and system for providing feedback data useful in prosthodontic procedures associated with the intra oral cavity
Granted: October 27, 2020
Patent Number:
10813734
Feedback data useful in prosthodontic procedures associated with the intra oral cavity is provided. First, a 3D numerical model of the target zone in the intra oral cavity is provided, and this is manipulated so as to extract particular data that may be useful in a particular procedure, for example data relating to the finish line or to the shape and size of a preparation. The relationship between this data and the procedure is then determined, for example the clearance between the…
Diagnostic intraoral tracking
Granted: October 27, 2020
Patent Number:
10813727
Methods and apparatuses for taking, using and displaying three-dimensional (3D) volumetric models of a patient's dental arch. A 3D volumetric model may include surface (e.g., color) information as well as information on internal structure, such as near-infrared (near-IR) transparency values for internal structures including enamel and dentin.
Systems and method for management and delivery of orthodontic treatment
Granted: October 27, 2020
Patent Number:
10813721
The present invention provides systems and methods of managing delivery of an orthodontic treatment plan using treatment guidelines, instructions and appointment planning tools customized to the individual patient being treated. A method includes, e.g., generating a treatment plan for a patient, generating a customized set of treatment guidelines, providing the set of customized treatment guidelines to the practitioner; and providing a set of orthodontic appliances to the practitioner.
Method and apparatus for colour imaging a three-dimensional structure
Granted: October 20, 2020
Patent Number:
10812773
A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and…
Image registration of intraoral images using adhesive objects
Granted: October 20, 2020
Patent Number:
10806549
Data from an intraoral scan is received, the data comprising a plurality of intraoral images of a dental site. At least two intraoral images are identified that comprise a representation of at least a portion of a non-rigid object that was affixed to the dental site at a target area. Image registration is performed between the at least two intraoral images using the non-rigid object identified in the at least two intraoral images. A 3D model of the dental site is generated based on the…
Dental materials using thermoset polymers
Granted: October 20, 2020
Patent Number:
10806547
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.
Adaptive orthodontic treatment
Granted: October 6, 2020
Patent Number:
10792127
A processing device receives image data of an actual condition of a patient's dental arch at an intermediate stage of a multistage orthodontic treatment plan. The processing device compares the image data of the actual condition of the patient's dental arch to a planned condition of the patient's dental arch for the intermediate stage. The processing device identifies one or more clinical signs that the actual condition of the patient's dental arch has a deviation from the planned…
Methods and systems for creating and interacting with three dimensional virtual models
Granted: October 6, 2020
Patent Number:
10791936
Systems and methods are provided for preparation of orthodontics and prosthodontics. A method may include scanning a patient's teeth to form first 3D data of the patient's teeth including a removable element that obscures part of the dental surfaces of the patient's teeth and non-obscured tooth surfaces, removing the removable element form the patient's teeth so that the removable element no longer obscures the part of the dental surfaces of the patient's teeth, and scanning the…
Methods and systems for creating and interacting with three dimensional virtual models
Granted: October 6, 2020
Patent Number:
10791934
Systems and methods are provided for modifying a virtual model of a physical structure with additional 3D data obtained from the physical structure to provide a modified virtual model.
System and method for improved dental geometry representation
Granted: September 29, 2020
Patent Number:
10789394
A digital data set representing a pre-scanned tooth geometry, including generic crown data, is merged with data representing a scanned patient tooth crown image, which lacks sufficient data to completely represent a complete tooth crown.
3D printed composites from a single resin by patterned light exposures
Granted: September 29, 2020
Patent Number:
10788753
Provided herein are processes for the generation of composite polymer materials utilizing a single resin. The processes utilize diffusion between a region undergoing a polymerization reaction preferentially polymerizing one monomer component and an unreactive region. Diffusion and subsequent/concurrent polymerization results in a higher concentration of the more reactive monomer component in the reacting region and a higher concentration of the less reactive monomer components in the…
Polymerizable monomers and method of polymerizing the same
Granted: September 22, 2020
Patent Number:
10781275
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.
Aligner image based quality control system
Granted: September 22, 2020
Patent Number:
10783629
A method for inspecting a customized orthodontic aligner for manufacturing defects, the customized orthodontic aligner customized for a specific arch of a specific patient and a specific stage of orthodontic treatment, the method including obtaining images of the customized orthodontic aligner; identifying an identifier of the customized orthodontic aligner, determining a digital file based on the identifier, the digital file associated with the customized orthodontic aligner including a…
