元の名称記録: Align Technology, Inc.

A method is provided for assessing and categorizing temporomandibular disorder (TMD). In some cases, the method can include receiving data representing a potential for TMD of a patient. The method can include processing the data to identify an indicator of the TMD. The method can include identifying a treatment recommendation based on the indicator of the TMD. The method can include providing the treatment recommendation for display on a user device.

System, methods, and apparatus for determining a width and position of a patient's restored teeth are disclosed. Teeth that undergo a restorative process may change in size (compared to original tooth dimensions). Dental data is extracted from a three-dimensional (3D) digital model that is generated based on a dental treatment plan. The width and/or position of the patient's restored teeth are determined with a solution to an optimization problem using the extracted dental data.

A method includes forming a plastic shell that has a hollow feature that includes a cavity. The method further includes inserting an object into the cavity, wherein the object is in a solid state and is preformed and shaped to fit into the cavity prior to the inserting of the object into the cavity, wherein the object provides structural strength to the plastic shell at a location of the hollow feature and does not interfere with a fit of the plastic shell onto a dental arch of a patient, the object having a shape that substantially matches a contour of the cavity prior to being inserted into the plastic shell.

Provided herein are systems and methods for scoring a post-treatment tooth position of a patient's teeth. A patient's dentition may be scanned and/or segmented. Raw dental features, principal component analysis (PCA) features, and/or other features may be extracted and compared to those of other teeth, such as those obtained through automated machine learning systems. A classifier can identify and/or output the post-treatment tooth position of the patient's teeth.

Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a method includes coupling a substrate to a frame, where the substrate is carrying an additively manufactured object having excess material thereon. The method can further include rotating the frame to remove at least some of the excess material from the additively manufactured object. The method can further include moving the substrate to a plurality of different tilt angles relative to the frame during the rotation of the frame.

Methods and systems for additive manufacturing of objects are provided. In some embodiments, a method includes receiving a digital representation of an object to be fabricated via an additive manufacturing process; identifying an internal portion of the object that would be unstable during the additive manufacturing process without an internal support structure, based on the digital representation; modifying the digital representation of the object to remove at least part of the internal portion; and generating instructions for fabricating the object via the additive manufacturing process, based on the modified digital representation.

Methods and systems are described that generate three-dimensional (3D) measurements from points in two-dimensional (2D) images. An example method includes determining an alignment between a 2D image of a dental site and a 3D surface of the dental site, determining a first point and a second point in the 2D image, projecting the first point and the second point onto the 3D surface based on the alignment between the 2D image and the 3D surface, performing a measurement of a distance between the projected first point and the projected second point on the 3D surface, and displaying at least one of a) a first visualization of the measurement on the 2D image or b) a second visualization of the measurement on the 3D surface.