Align Technology Patent Grants

Tactile objects for orthodontics, systems and methods

Granted: March 21, 2017
Patent Number: 9597164
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.

Method, system and model for indirect bonding

Granted: March 21, 2017
Patent Number: 9597165
A physical model of at least a portion of a patient's dentition has model dental surfaces corresponding to real dental surfaces of the patient's dentition. The physical model includes one or more targets, each configured for facilitating placement of an orthodontic appliance on the model at a desired location. The targets lack mechanical stops that are outwardly protruding from the original model dental surfaces. Also provided are a method of manufacturing a physical model for use in…

Virtual orthodontic treatment

Granted: March 14, 2017
Patent Number: 9592103
A method for virtual orthodontic treatment is provided in which a virtual set of orthodontic components is associated, in a virtual space, with a first virtual three-dimensional image of teeth, and then by a set of rules which define the effect of the set of components' teeth, the effect of the virtual treatment can be computed. This virtual treatment can be used to predict the results of a real-life orthodontic treatment as to design such a treatment.

Motion compensation in a three dimensional scan

Granted: March 7, 2017
Patent Number: 9589329
The present disclosure provides computing device implemented methods, computing device readable media, and systems for motion compensation in a three dimensional scan. Motion compensation can include receiving three-dimensional (3D) scans of a dentition, estimating a motion trajectory from one scan to another, and calculating a corrected scan by compensating for the motion trajectory. Estimating the motion trajectory can include one or more of: registering a scan to another scan and…

Smile designer

Granted: February 14, 2017
Patent Number: 9566132
Various methods and systems for designing a restored smile are provided. One method includes receiving scan data of a patient's teeth, developing a digital model of the patient's teeth via a computing device, where the model represents the patient's teeth based upon the scan data, creating a dental treatment plan to restore one or more teeth from an initial condition to a successive condition, and wherein a final condition of the one or more is based on the one or more teeth having at…

Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created

Granted: January 24, 2017
Patent Number: 9549794
A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed virtual models, and trimmed physical models, can then be created utilizing data thus created. The virtual models and/or the physical models may be used in the design and manufacture of copings…

Method and system for designing and producing dental prostheses and appliances

Granted: January 10, 2017
Patent Number: 9539071
A virtual model of an intraoral cavity is provided, wherein this process is initialized by a dental clinic, and the design and manufacture of a suitable dental prosthesis for the intraoral cavity is shared between a dental lab and a service center.

Preventing interference between tooth models

Granted: January 3, 2017
Patent Number: 9536020
Systems and methods are disclosed to prevent interference between two physical tooth models in a physical dental arch model by acquiring the coordinates of a plurality of points on the surfaces of each of the two physical tooth models and digitally representing the surfaces of each of the two physical tooth models by a mesh of points in three dimensions using the acquired coordinates. The meshes representing the surfaces of the two physical tooth models intersect at least at one point to…

Apparatus for bagging mass-customized items, such as dental appliances

Granted: December 20, 2016
Patent Number: 9522750
A system for packaging mass-customized items includes a computer system including a database containing item identification information unique to each item; (2) outer container identification apparatus that applies the item identification information received from the database to each outer container in a plurality of outer containers; (3) inner pack identification apparatus that applies the item identification information received from the database to each inner pack in a plurality of…

Sleeve for an intraoral scanner

Granted: December 13, 2016
Patent Number: D774193

Identification of areas of interest during intraoral scans

Granted: December 6, 2016
Patent Number: 9510757
During an intraoral scan session, a processing device receives a first intraoral image of a dental site and identifies a candidate intraoral area of interest from the first intraoral image. The processing device receives a second intraoral image of the dental site and verifies the first candidate intraoral area of interest as an intraoral area of interest based on comparison of the second intraoral image to the first intraoral image. The processing device then provides an indication of…

Combined cart-mounted display and computer for intraoral scanner

Granted: November 15, 2016
Patent Number: D771817

Dental implant positioning

Granted: November 15, 2016
Patent Number: 9492243
Methods, devices, systems, and series of appliances are provided for dental implant positioning. One method for positioning an implant with dental treatment includes determining an implant location based on a virtual model of an optimized dental occlusion, moving one or more teeth using a first number of a series of dental appliances, from a first orientation to a second orientation, the second orientation exposing the implant location, placing an implant at the exposed implant location…

Method and system for providing dynamic orthodontic assessment and treatment profiles

Granted: November 15, 2016
Patent Number: 9492245
Method and system for displaying an orthodontic related image including one or more image segments, selecting one or more movement indicators associated with a corresponding one or more of the image segments, and dynamically displaying a modified orthodontic related image based on the selected one or more movement indicators are provided.

Mounting system that maintains stability of optics as temperature changes

Granted: November 8, 2016
Patent Number: 9491863
An optical system comprises a detector to determine one or more intensities of light impinging on one or more locations of the detector and an optical element to redirect light towards the detector along a detection axis. The detector and optical element are coupled together by three or more substantially flat flexures respectively defining three or more flexure planes parallel to the detection axis.

Combined desktop display and computer for intraoral scanner

Granted: October 11, 2016
Patent Number: D768861

Automatic selection and locking of intraoral images

Granted: September 27, 2016
Patent Number: 9451873
A processing device receives an intraoral image of a first intraoral site and determines an identity of the first intraoral site. The processing device then locks the intraoral image and selects a portion of the intraoral image depicting a portion of the first intraoral site based at least in part on the identity of the first intraoral site. The processing device may then generate a model comprising the first intraoral site based at least in part on the locked intraoral image, wherein…

Apparatus and method for measuring surface topography optically

Granted: September 13, 2016
Patent Number: 9439568
An apparatus is described for determining surface topography of a three-dimensional structure. The apparatus can include a probe and an illumination unit configured to output a plurality of light beams. In many embodiments, the apparatus includes a light focusing assembly. The light focusing assembly can receive and focus each of a plurality of light beams to a respective external focal point. The light focusing assembly can be configured to overlap the plurality of light beams within a…

Interproximal reduction planning

Granted: September 6, 2016
Patent Number: 9433476
The present disclosure includes computing device related, systems, and methods for IPR planning as described herein. One method includes identifying a first tooth and a second tooth in a digital dental model with an overlap in a target final position in a treatment plan and identifying a reference line on each of the first tooth and the second tooth; revising the treatment plan wherein a position of each of the first tooth and the second tooth is determined in which the reference line of…

Automatic placement of precision cuts

Granted: September 6, 2016
Patent Number: 9433477
An orthodontic positioning device and methods for making an orthodontic positioning device including a first patient removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to receive and apply a resilient positioning force to a patient's teeth provided in one of an upper jaw and a lower jaw. The first appliance includes a hook configured to receive an orthodontic elastic band. The orthodontic positioning device also includes a second patient removable…