Abstract: The present disclosure provides methods, computing device readable medium, devices, and systems having a dental attachment formation structure. One dental attachment formation apparatus includes a body having a first surface shaped to conform to the contours of an exterior surface of a tooth and including a portion of the first surface shaped to accommodate an attachment that is to be attached to the exterior surface of the tooth and a light source attachment structure for attachment of a light source to the body.

Abstract: Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a method includes receiving a plurality of additively manufactured objects having excess material thereon. The method can include removing the excess material from the plurality of additively manufactured objects by rotating the plurality of additively manufactured objects. The method can also include receiving sensor data indicative of a cleaning status of the plurality of additively manufactured objects. The method can further include adjusting, based on the sensor data, an operational parameter that enhances removal of the excess material from the plurality of additively manufactured objects.

Abstract: Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a system includes a plurality of containers configured to receive a plurality of additively manufactured object having excess material thereon. The system can include a rotor having a central shaft and a plurality of arms, each arm having a first end and a second end opposite the first end. The first end of each arm can be coupled to the central shaft and a second end of each arm can be coupled to a respective container of the plurality of containers. The system can also include an actuator configured to spin the rotor so as to remove the excess material from the plurality of additively manufactured objects. The system can further include at least one heat source carried on the rotor to heat the excess material to decrease a viscosity thereof.

Abstract: Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a method includes receiving a plurality of additively manufactured objects having excess material thereon. The method can include removing the excess material from the plurality of additively manufactured objects by rotating the plurality of additively manufactured objects. The method can also include adjusting an environmental temperature while rotating the plurality of additively manufactured objects according to a dynamic temperature profile that facilitates removal of the excess material from the plurality of additively manufactured objects. The dynamic temperature profile can include (a) a first temperature configured to decrease a viscosity of the excess material, and (b) a second temperature configured to increase a stiffness of the plurality of additively manufactured objects.

Abstract: Systems, methods, and devices for improved orthodontic treatment of a patient's teeth are provided herein. In some embodiments, a method includes determining an appliance geometry for a dental appliance. The appliance geometry can include a first region representing a shell comprising a plurality of teeth receiving cavities, and a second region representing at least one integrally formed component to be integrally joined to the shell. The method can also include generating instructions including a first digital representation of the shell based on the first region, and a second digital representation of the at least one integrally formed component based on the second region. The method can further include transmitting the instructions to a fabrication system configured to additively manufacture the dental appliance by fabricating the shell based on the first digital representation, concurrently with fabricating the at least one integrally formed component based on the second digital representation.

Abstract: 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 appliance near edges of the walls, such as a gingivally facing edges of the walls that are oriented toward the gingiva when the appliance is worn.

Abstract: The present disclosure provides methods, computing device readable medium, devices, and systems having a dental attachment placement structure. One dental attachment placement apparatus includes a body having an attachment placement surface that is to be placed on an attachment affixing surface of a tooth and wherein the attachment placement surface includes a portion that is shaped to allow placement of an attachment at a particular position on the affixing surface of the tooth and a portion of the body having a contour that is shaped to correspond with a contour of an alignment surface of a tooth and when the contour of the body and the corresponding contour is aligned, the attachment is located at the particular position and can be secured to the affixing surface of the tooth.

Abstract: Systems, methods, and devices for improved orthodontic treatment of a patient's teeth are provided herein. A method may include determining a movement path to move one or more teeth from an initial arrangement to a target arrangement, determining an appliance geometry for an orthodontic appliance comprising a shell and one or more integrally formed components, wherein the shell comprises a plurality of teeth receiving cavities shaped to move the one or more teeth from the initial arrangement to the target arrangement, and generating instructions for direct fabrication of the orthodontic appliance, wherein the instructions are configured to cause direct fabrication of the shell using a first material and direct fabrication of the one or more integrally formed components using a second, different material.

Abstract: The present disclosure provides methods, computing device readable medium, devices, and systems having a dental attachment formation structure. One dental attachment formation apparatus includes a body having a first surface shaped to conform to the contours of an exterior surface of a tooth and including a portion of the first surface shaped to accommodate an attachment that is to be attached to the exterior surface of the tooth and a light source attachment structure for attachment of a light source to the body.

Abstract: 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 appliance near edges of the walls, such as gingivally facing edges of the walls that are oriented toward the gingiva when the appliance is worn.

Abstract: A series of appliances including a first shell and a second shell can be designed to incrementally implement a treatment plan. The first and second shells can have cavities designed to receive teeth of a jaw. The first shell can be designed to interface with a first surface of a plurality of surfaces of an attachment structure to provide a first engagement force specific to a first stage of the treatment plan. The second shell can be designed to interface with a second surface of the plurality of surfaces of the attachment structure attached to the at least one tooth of the first jaw to provide a second engagement force specific to a second stage of the treatment plan.

Abstract: A series of appliances including a first shell and a second shell can be designed to incrementally implement a treatment plan. The first and second shells can have cavities designed to receive teeth of a jaw. The first shell can be designed to interface with a first surface of a plurality of surfaces of an attachment structure to provide a first engagement force specific to a first stage of the treatment plan. The second shell can be designed to interface with a second surface of the plurality of surfaces of the attachment structure attached to the at least one tooth of the first jaw to provide a second engagement force specific to a second stage of the treatment plan.

Abstract: Dental attachment placement apparatuses with one or more replacement attachment systems for providing one or more replacement dental attachments. The replacement attachment systems may include a body that is configured to orient and align the apparatus with respect to the teeth. The apparatus may include one or more primary dental attachments coupled to the body, where the body is configured to position the primary dental attachments adjacent to the teeth for bonding. The replacement system can be configured to replace the primary dental attachments and align replacement dental attachments with respect to the teeth.

Abstract: Systems, methods, and devices for improved orthodontic treatment of a patient's teeth are provided herein. In some aspects, a method for fabricating an orthodontic appliance for treating a patient's teeth is disclosed. The method may comprise determining a movement path to move a tooth from an initial arrangement towards a target arrangement; determining a force system to move the tooth along the movement path; determining a variable gable bend to produce the force system; determining a geometry for a tooth receiving cavity of the appliance based on the variable gable bend; and generating instructions for fabricating the appliance having a tooth receiving cavity formed according to the geometry for the tooth receiving cavity.

Abstract: Dental apparatuses, such as palatal expanders, attachment templates, mandibular repositioning aligners, and a variable property aligners, and methods of forming them. The dental apparatuses may have multiple regions having different physical characteristics for performing different functions when worn by a patient as part of a dental treatment. The different regions may be made of different materials, or different combinations of materials, based on rigidity, flexibility and/or other physical characteristics. The different regions may be joined together by a junction region configured to sufficiently hold adjacent regions together during use.

Abstract: Dental apparatuses, such as palatal expanders, and methods of forming them. The dental apparatuses may have multiple regions having different physical characteristics for performing different functions when worn by a patient as part of a dental treatment. The different regions may be made of different materials, or different combinations of materials, based on rigidity, flexibility and/or other physical characteristics. For palatal expanders, the different regions can include a tooth engagement region adapted to engage with the patient's teeth and a palatal region adapted to exert an expansion force across the patient's palate. The different regions may be joined together by a junction or a transition region configured to sufficiently hold adjacent regions together during use.

Abstract: Dental apparatuses, such as palatal expanders and aligners, and methods of forming them. The dental apparatuses may formed by printing different regions of the device with different properties, including hybrid regions formed between adjacent regions having different physical characteristics for performing different functions when worn by a patient as part of a dental treatment. The different regions may be joined together by a transition region configured to hold adjacent regions together during use and provide advantageous properties.

Abstract: Computer-implemented methods and systems for designing oral appliances. These methods and systems may include receiving patient data and a treatment plan (including a proposed one or more dental appliances), and determining, using the patient data and the treatment plan, an improved appliance design for treating the patient. These methods and systems may include evaluating the appliance design based on simulation and finalizing the appliance design based on the evaluation.

Abstract: A system for correcting class III malocclusions is disclosed. The system may include a maxilla appliance having tooth receiving cavities shaped to receive teeth of the maxilla and a first coupling for receiving an elastic. The system may also include a mandibular appliance having tooth receiving cavities shaped to receive teeth of the mandible. In some embodiments, the system includes a class III corrective appliance having a first mount shaped to engage with the mandibular arch of the patient and having a second coupling shaped to receive the elastic.

Abstract: The present disclosure provides methods, computing device readable medium, devices, and systems having a dental attachment placement structure. One dental attachment placement apparatus includes a body having an attachment placement surface that is to be placed on an attachment affixing surface of a tooth and wherein the attachment placement surface includes a portion that is shaped to allow placement of an attachment at a particular position on the affixing surface of the tooth and a portion of the body having a contour that is shaped to correspond with a contour of an alignment surface of a tooth and when the contour of the body and the corresponding contour is aligned, the attachment is located at the particular position and can be secured to the affixing surface of the tooth.