An orthodontic system including one or more sensors configured to capture compliance data with reference to an orthodontic treatment and a controller coupled to the one or more sensors, the controller configured to control access to a media device according to the captured compliance data.

A device (103) for applying an electrical stimulation to one or more muscles of the mouth of the user, the device (103) includes one or more electrodes (132, 133) for applying electrical stimulation to one or more muscles of the mouth of a user and a sensor (140a, 140b, 141a, 141b) for determining the muscle tone of the tongue of the user. Also disclosed are methods and systems for determining a stimulation plan.

A device (100) for training oral muscle tone, the device (100) includes a mouthpiece (103) having a first and second arm (131) diverging away from one another and each carrying at least one electrode means (132a, 132b, 133a, 133b), at least one of the at least one electrode means protruding proud of adjacent portions of the arms (131), electrical circuitry operatively connected to the electrode means (132a, 132b, 133a, 133b), at least one of the at least one electrode means comprising an electrically conductive polymeric or plastics material.

A spatial light modulator outputs modulated light including: modulated first light when the spatial light modulator receives first light; and modulated second light when the spatial light modulator receives second light. Projection optics project the modulated light onto: a first pixel region when a component or the spatial light modulator has a first position; and a second pixel region when the component or the spatial light modulator has a second position. The first and second pixel regions partially overlap. A pixel shifter moves the component or the spatial light modulator between: the first position when the spatial light modulator outputs the modulated first light; and the second position when the spatial light modulator outputs the modulated second light.

Described herein are intra-oral prostheses that can help replace or augment the function of the native tongue, such as to assist with swallowing. Disclosed prostheses can provide mechanical force, based on the power of mastication, to propel a food bolus into the pharyngeal phase of swallowing. Disclosed prostheses can be used to enhance swallowing rehabilitation as a temporary aid and/or can be used to permanently replace lost tongue functionality. Also disclosed are other anatomical prostheses, such as to provide power for the articulation of dysfunctional extremities, by transforming mechanical force from another nearby functioning muscle group.

An oral appliance for the treatment of sleep disorders, such as obstructive sleep apnea, in a user is presented. The oral appliance may include a mouthpiece configured to receive a user's dentition. The mouthpiece may include an oxygen sensor, a pressure sensor, an airflow sensor, an actigraphy sensor, a noise detector, and at least one stimulator for providing stimulation to a user's tongue in the event of decreased oxygen saturation levels, increased pressure applied to occlusal surfaces of the user's dentition, decreased actual airflow levels and/or increased noise levels. The mouthpiece or a separate portion of the mouthpiece may be provided with an EEG sensor to determine sleep state based on EEG rhythms. The mouthpiece may be provided with pharmaceutical compound reservoirs that deliver pharmaceutical compounds to the oral mucosa of the user, which compounds treat symptoms of sleep apnea. The mouthpiece may further include a microprocessor that receives data from the oxygen sensor, pressure sensor, airflow sensor, actigraphy sensor and noise detector, and activates the at least one stimulator and/or pharmaceutical compound reservoirs.

A system and method for managing ventilation of a user, through the use of an oral appliance, is disclosed. The appliance is configured to fit between the user's teeth and lips or cheeks to inhibit ventilation by the user around the appliance, and includes a passageway. An airway resistor within the passageway includes an aperture that is sized to allow a metered amount of air flow by the ventilation of the user. A pressure sensor measures an air pressure in the aperture, which measurement is transmitted to an external computer processor to generate feedback data for the user.

An edible composition of matter having an apparent viscosity of from about 150 cP to about 2000 cP at about 30 s1; a yield stress of from 0 Pa to about 20 Pa at 1 s.sup.1; and a flow index of from about 0.2 to about 0.6. The composition may include an imaging agent. The compositions are useful for providing sustenance to dysphagic subjects and for evalualuating dysphagia.

Techniques, methods, systems, devices, and computer readable medium are disclosed from an oral cavity of a user identifying a feature in the user's oral cavity, tracking the feature as it changes, and determining a condition based on the tracking of the feature in the user's oral cavity. The user can use an interface provided by the device's user interface for activities such as biofeedback, controlling functions of the device and other devices, receiving information from external devices or the device, etc.

The invention relates to a dental splint as an assembly comprising a first subassembly embodied as a dental splint body and having a surface that comes into contact with an oral cavity of a user, a second subassembly embodied as electronics, at least one third subassembly embodied as a sensor, a fourth subassembly embodied as an energy source, at least one fifth subassembly embodied as an antenna, and a sixth subassembly embodied as electrical connection means, wherein the second to fifth subassemblies are connected by the sixth subassembly. In this case, at least one of the second to sixth subassemblies is produced in each case completely or partly in a 3-D printing method.