Abstract: A device outputs a first low voltage to a first terminal at a first timing in a period in which a voltage input to a second terminal is a high voltage. After outputting the first low voltage, the device outputs a second high voltage to the first terminal at a second timing in a period in which the voltage input to the second terminal is a low voltage. After outputting the second high voltage, the device outputs a second low voltage to the first terminal at a third timing in a period in which the voltage input to the second terminal is a high voltage.

Abstract: A fit checking material composition for dental use includes a first paste and a second paste. A mixture of the first paste and the second paste 35 seconds after mixing the first paste and the second paste, has a consistency of 37 mm or greater and 43 mm or less at 23° C.

Abstract: Provided are a foldable optical film with excellent impact resistance and with capability to improve design quality, and an image display device including the same. An aspect of the present invention provides a foldable optical film 10 with a front surface 10A and a back surface 10B opposite to the front surface 10A, wherein optical film 10 includes a hard coat layer 12, a resin layer 13, and a decorative layer 14; the hard coat layer 12 is located closer to the front surface 10A than the resin layer 13 and the decorative layer 14 in the optical film 10; and the resin layer 13 has a film thickness of 10 ?m or more, and the resin layer 13 has a Martens hardness of 1 MPa or more and 100 MPa or less.

Abstract: Methods, devices, and systems for placing dental auxiliaries on teeth and/or removing dental auxiliaries from teeth are provided. In some embodiments, a device for removing a dental auxiliary from a tooth includes: a first elongate member having a proximal end and a distal end; a second elongate member having a proximal end and a distal end, where the first and second elongate members are pivotally coupled to each other; a scraper at the distal end of the second elongate member, where the scraper is configured to apply force to the dental auxiliary to remove the dental auxiliary from the tooth; and a pair of sidewalls configured to capture debris resulting from the removal of the dental auxiliary from the tooth.

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: Implementations describe systems and methods for manufacturing and performing quality assessment of dental appliances. In one embodiment, a method of manufacturing a dental appliance comprises receiving, at a holder, a feature of the dental appliance, the feature comprising a first surface having a first shape, wherein the holder holds the feature of the dental appliance at a reference position. The method further includes automatically placing an object against the feature at the reference position using a robot arm, wherein the object comprises a second surface having a second shape that mates with the first shape. The method further includes applying pressure to press the object against the feature of the dental appliance and bonding the object to the feature of the dental appliance while applying the pressure.

Abstract: A system for correcting malocclusions may include a maxillary appliance having tooth receiving cavities shaped to receive teeth of a maxilla and a first elastic coupling at gingival line of the maxillary appliance. The first elastic coupling may be configured for receiving an elastic. The system may also include mandibular appliance having tooth receiving cavities shaped to receive teeth of a mandible. The system may also include a corrective appliance having a first coupling configured to be coupled to the mandibular appliance at a first location on a first side of incisors of a patient and a second coupling configured to be coupled to the mandibular appliance on a second side of the incisors, and having an arm extending from the corrective appliance towards the gingival line of the maxillary appliance and being shaped to receive the elastic.

Abstract: A method for forming dental appliance having an ornamental indicia carrier may include forming a polymeric shell, forming a first adhesive layer configured to be adhered to the polymeric shell, the first adhesive layer including a pressure sensitive adhesive layer, forming a first adhesion layer over the first adhesive layer, and applying a colorant between the first adhesion layer and the pressure sensitive adhesive layer.

Abstract: The present invention provides a compound exhibiting coronavirus 3CL protease inhibitory activity or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same.

Abstract: Intraoral sensors and associated systems, devices, and methods are provided. In some embodiments, an intraoral sensor for sensing pH within an intraoral cavity of a subject includes a film composed of a biocompatible polymer and a pH-sensitive molecule. The pH-sensitive molecule can be configured to change in color based on a pH within a subject's intraoral cavity. The pH-sensitive molecule can be immobilized in the film. The intraoral sensor can also include an adhesive configured to couple the film to a surface of a dental appliance or a tooth of the subject.

Abstract: In a board that includes a plurality of contact portions that are arranged to contact corresponding apparatus-side terminals when the board is mounted in a printing apparatus, some contact portions are disposed in a first region, and the remaining contact portions are disposed in a second region. The some contact portions include a first contact portion, a second contact portion, a third contact portion, and a fourth contact portion. The remaining contact portions include a fifth contact portion. The some contact portions are arranged in a first pattern in the first region and the remaining contact portions are arranged in a second pattern in the second region, and the first pattern is asymmetrical to the second pattern with respect to a first virtual line.

Abstract: A device outputs a first low voltage to a first terminal at a first timing in a period in which a voltage input to a second terminal is a high voltage. After outputting the first low voltage, the device outputs a second high voltage to the first terminal at a second timing in a period in which the voltage input to the second terminal is a low voltage. After outputting the second high voltage, the device outputs a second low voltage to the first terminal at a third timing in a period in which the voltage input to the second terminal is a high voltage.

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: A device outputs a first low voltage to a first terminal at a first timing in a period in which a voltage input to a second terminal is a high voltage. After outputting the first low voltage, the device outputs a second high voltage to the first terminal at a second timing in a period in which the voltage input to the second terminal is a low voltage. After outputting the second high voltage, the device outputs a second low voltage to the first terminal at a third timing in a period in which the voltage input to the second terminal is a high voltage.

Abstract: In a board that includes a plurality of contact portions that are arranged to contact corresponding apparatus-side terminals when the board is mounted in a printing apparatus, some contact portions are disposed in a first region, and the remaining contact portions are disposed in a second region. The some contact portions include a first contact portion, a second contact portion, a third contact portion, and a fourth contact portion. The remaining contact portions include a fifth contact portion. The some contact portions are arranged in a first pattern in the first region and the remaining contact portions are arranged in a second pattern in the second region, and the first pattern is asymmetrical to the second pattern with respect to a first virtual line.

Abstract: In a board that includes a plurality of contact portions that are arranged to contact corresponding apparatus-side terminals when the board is mounted in a printing apparatus, some contact portions are disposed in a first region, and the remaining contact portions are disposed in a second region. The some contact portions include a first contact portion, a second contact portion, a third contact portion, and a fourth contact portion. The remaining contact portions include a fifth contact portion. The some contact portions are arranged in a first pattern in the first region and the remaining contact portions are arranged in a second pattern in the second region, and the first pattern is asymmetrical to the second pattern with respect to a first virtual line.

Abstract: Palatal expander devices with sensors. A palatal expander body may include a palatal region, and a tooth-receiving region configured to receive teeth of a patient's upper arch. One or more sensors may be disposed on or in the palatal region of the palatal expander body. At least one processor may be configured to receive sensor data from the one or more sensors and to determine an expansion state of a patient's palatal region based on the sensor data.

Abstract: Dental devices having folded material. A dental appliance may include a specialized region configured to impart one or more specialized forces to one or more particular areas of a patient's dentition. The specialized region may include a reinforcement structure including a rigid three- dimensional structure, where the rigid three-dimensional structure includes repeating geometric shapes defined by folds in a sheet of one or more polymeric materials. The folds may be folded along a pattern of lines according to the repeating geometric shapes. The rigid three-dimensional structure may have a greater thickness than the unfolded sheet so as to impart a greater rigidity to the specialized region compared to the unfolded sheet, thereby reinforcing the specialized region for imparting the one or more specialized forces to the one or more particular areas of the patient's dentition.

Abstract: Systems for determining patient compliance with an orthodontic treatment or retention plan may include a polymeric shell appliance for receiving the patient's teeth, a sensor module on the polymeric shell appliance having a temperature sensor, a proximity sensor, a power source, and a communication antenna for communicating with an external case, and a processor configured to determine that the polymeric shell is being worn by the patient based on temperature data from the temperature sensor and proximity data from the proximity sensor, by determining that a measured temperature is within a body temperature range and that a measured proximity value is within a threshold proximity to an intraoral target. Methods of manufacturing these dental appliances are also described herein.