Oral hygiene monitoring system is disclosed to track motion and orientation of an oral hygiene device. The control system may process data output from a motion sensor to determine position and orientation of an oral hygiene device with respect to a user's mouth. In some examples, the system may use machine learning techniques to identify position and orientation, brush stroke type, and other specific actions.

An oral care system that includes an oral care implement and a tracking attachment. The oral care implement may include a handle and a head. The tracking attachment is detachably coupled to the oral care implement. The tracking attachment may include a first component comprising a first housing having an inner surface that defines a first cavity and a second component comprising a second housing having an inner surface that defines a second cavity. When the tracking attachment is coupled to the oral care implement, a first portion of the handle is positioned within the first cavity and a second portion of the handle is positioned within the second cavity.

The invention provides a method for controlling an operation of an electrical toothbrush with an interchangeable brush head. The method includes obtaining an existing operation mode of the electrical toothbrush and identifying a new interchangeable brush head when the new interchangeable brush head is provided to the electrical toothbrush. A new operation mode associated with the new interchangeable brush head is identified, the new operation mode being different from the existing operation mode. An input is requested from a user to confirm that the operation of the electrical toothbrush should change to the new operation mode. The operation mode of the electrical toothbrush is then changed to the new operation mode or maintained in the existing operation mode based on the user input.

A method for oral care. In one aspect, the method for oral care includes a) receiving sensor data from at least one sensor configured to detect motion of an oral care device during a brushing routine of a user, the sensor data corresponding to the detected motion; and b) determining a target brushing time based on the sensor data. In another aspect, the method for oral care includes a) receiving sensor data from at least one sensor configured to detect brushing intensity during a brushing routine of a user, the sensor data corresponding to the detected brushing intensity; and b) determining a target brushing time based on the sensor data.

This disclosure presents systems and methods to improve user brushing behavior. Exemplary implementations may: effectuate presentation of audio content via an audio output device, the audio content being characterized by an audio profile; obtain output signals from one or more sensors coupled to a user device, the output signals conveying user input information, the user input information defining user input by a user via the user device; determine, based on the user input information, a user profile, the user profile including one or more user values of the one or more audio attribute; compare the user profile with the audio profile to determine, for individual audio attributes, one or more differences; determine one or more scores reflecting the one or more differences; and/or perform other operations.

The diffuser includes a diffusing case having a rear side removably coupled to a main body of a hair dryer. Fluid discharged from the main body is introduced into the diffusing case through an inlet hole defined at the rear side and discharged from a front side of the diffusing case. A light irradiator is provided inside the diffusing case to irradiate light toward the front side of the diffusing case, and a light diffusion frame is provided in front of the light irradiator. The light irradiated from the light irradiator is diffused while forwardly penetrating the light diffusion frame.

An oral care apparatus that includes an oral care implement and a tracking module detachably coupled to the oral care implement. The oral care implement includes a body having an inner surface that defines an internal cavity. The tracking module may be coupled to the oral care implement by inserting a portion of the tracking module into the internal cavity of the body. The tracking module includes a coupling portion and an electronics portion that are coupled together so as to be fixed together in the axial direction but freely rotatable relative to one another. The tracking module may only be able to be inserted into the internal cavity of the body in a single orientation. Furthermore, when in the internal cavity, the electronics portion of the tracking module may be non-rotatable relative to the body while the coupling portion of the tracking module remains rotatable relative to the body.

A method of monitoring brushing of a tooth and gum surface includes sensing a brushing relative to the tooth surface during a brushing session and generating feedback in response to the brushing. In one embodiment, feedback is generated when a user, such as a child, starts brushing. In another embodiment, feedback is generated when the brushing technique deviates from a correct brushing technique, such as the Bass Technique. When a user uses a correct brushing technique, the bristles on the brush head of a tooth brush vibrate. When the user uses an incorrect brushing technique, the vibrations stop, alerting the user that her technique is incorrect. The user can be alerted about improper brushing techniques in other ways, such as by generating audible sounds such as chirps, interrupting audio signals such as music, generating flashing lights, or the like. Preferably, a user's brushing technique can be tracked for later evaluation.

Skin brush heads configured for use with a motorized personal appliance include a body having an inner surface and an outer surface, and a treatment applicator coupled to the outer surface of the body. The treatment applicator includes a plurality of cleansing agent-infused bristles extending away from the outer surface of the body, the plurality of cleansing agent-infused bristles being configured to remove particles from a skin portion by adsorption.

An oral care system that includes an oral care implement and a tracking attachment. The oral care implement may include a handle and a head. The tracking attachment is detachably coupled to the oral care implement. The tracking attachment may include a housing including a first housing portion having an inner surface that defines a first cavity and a second housing portion having an inner surface that defines a second cavity. The tracking attachment may also include a tracking unit configured to facilitate tracking at least one of a position, orientation, or movement of the oral care implement to which it is attached. A first portion of the handle may be positioned within the first cavity and a second portion of the handle may be positioned within the second cavity.