Align Technology Patent Grants

Multilayer dental appliances and related methods and systems

Granted: May 23, 2017
Patent Number: 9655691
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…

Multilayer dental appliances and related methods and systems

Granted: May 23, 2017
Patent Number: 9655693
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…

VCSEL based low coherence emitter for confocal 3D scanner

Granted: May 23, 2017
Patent Number: 9660418
Methods and apparatus for measuring objects comprise a plurality of light sources to generate a plurality of light beams directed toward a spot generator array comprising a plurality of spot generating lenses. The plurality of light sources is separated from the spot generator array with a separation distance sufficient to overlap the plurality of light beams at each of the spot generating lenses. The overlap of each of the beams at each of the spot generating lenses provides smoothing…

Speckle reduction method and apparatus

Granted: May 16, 2017
Patent Number: 9651419
An apparatus adapted for confocal imaging of a non-flat specimen comprising a coherent light source for producing a light beam, imaging optics adapted to focus the light beam into at least one spot on a surface of a specimen, and a detector adapted to receive and detect light reflected from the specimen surface. The imaging optics comprise at least one optical component located so that the light reflected from the specimen surface passes therethrough on its way to the detector. The…

Method and system for dental visualization

Granted: May 9, 2017
Patent Number: 9642678
In particular embodiments, method, apparatus and system for receiving digital representations of the initial parameters of a dentition; simulating a first orthodontic treatment process on the digital representations of the initial parameters, displaying a set of output results from the simulation of the first orthodontic treatment process, simulating a second orthodontic treatment process on the output results from the simulation of the first orthodontic treatment process, and displaying…

Method and apparatus for imaging three-dimensional structure

Granted: April 11, 2017
Patent Number: 9615901
An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor.

Arch expanding appliance

Granted: April 4, 2017
Patent Number: 9610141
The present disclosure provides method, systems, and devices for expanding arch of teeth. A device for expanding an arch of teeth of a patient can include a removable shell formed of a first material having a number of cavities formed therein. The number of cavities are shaped to receive teeth of a patient. A device for expanding an arch of teeth of a patient can include an arch element extending from the removable shell in a lingual direction and across an arch width of the removable…

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…