Abstract: An intraoral device (100) for determining oral health characteristics is provided. The device includes a light source (106) configured to emit light in a plurality of wavelengths within or about the oral cavity and a matrix array multispectral sensor (102) configured to detect a plurality of spectral channels of a spectral image. Each of the plurality of spectral channels may allow transmission of a corresponding wavelength. The device may include a processor (1100) configured to identify the detected plurality of spectral channels of the spectral image relating to the oral cavity. Based on the detected plurality of spectral channels, the processor may cause the light source to adjust the light emitted within or about the oral cavity to modify a signal to noise ratio and/or an image calibration of a subsequent spectral image. The matrix array multispectral sensor may capture the subsequent spectral image relating the oral cavity in the adjusted emitted light.

Abstract: In one embodiment, an oral care system is disclosed that includes an oral care device and at least one programmable processor. The oral care device includes a head having a reference face, a light source, at least one orientation sensor generating orientation data corresponding to orientation measurements of the reference face during a freeform oral care routine, and at least one optical sensor generating optical sensor data representing optical feedback resulting from the light from the light source being incident upon sections of the oral cavity. The processor, based on the orientation data, determines which optical sensor data corresponds with which of the sections of the oral cavity. For each section of the oral cavity, based on the corresponding optical sensor data, the processor determines an oral care characteristic.

Abstract: A spectroscopic system may include: a probe having a probe tip and an optical coupler, the optical coupler including an emitting fiber group and first and second receiving fiber groups, each fiber group having a first end and a second end, wherein the first ends of the fiber groups are formed into a bundle and optically exposed through the probe tip; a light source optically coupled to the second end of the emitting fiber group, the light source emitting light in at least a first waveband and a second waveband, the second waveband being different from the first waveband; a first spectrometer optically coupled to the second end of the first receiving fiber group and configured to process light in the first waveband; and a second spectrometer optically coupled to the second end of the second receiving fiber group and configured to process light in the second waveband.

Abstract: The application relates to personal care products (e.g., deodorants and/or antiperspirants) that can provide a sweat reduction effect without the use of aluminum salts. In one aspect, the compositions comprise a metal oxalate (i.e., potassium oxalate or potassium titanium oxalate). Methods of preparing the personal care composition and uses of the personal care composition are also disclosed.

Abstract: In one embodiment, a system for monitoring acne is disclosed. A sensor device includes an image sensor and a position sensor. A processing device receives image data and position data from the sensor device. The processing device then combines portions of the image data for different images to generate composite image data, the combination being based on the corresponding position data for each image. A user interface displays a composite image of the user's skin based on the composite image data, the composite image including a skin condition indicator.

Abstract: In one embodiment, a personal care implement is disclosed. The personal care implement has an emitting end and an electromagnetic source for projecting electromagnetic radiation onto an area of skin to treat a skin condition. A light sensor is configured to sense an amount of ambient light present at the emitting end. A controller instructs the electromagnetic source to begin projecting only when the light sensor senses that the amount of ambient light at the emitting end is below a predefined threshold.

Abstract: An oral care system including an oral care device and a processor. The oral care device includes a head having cleaning elements and a vibrational sensor configured to determine vibrational data emitted by the oral care device in use. The processor is operably coupled to the vibrational sensor and is configured to: determine, based on the vibrational data, an applied pressure of the cleaning elements upon an oral cavity of a user; determine an optimal pressure associated with the oral cavity of the user and a non-optimal pressure associated with the oral cavity of the user; and based on the applied pressure of the cleaning elements upon the oral cavity being substantially the non-optimal pressure, cause the applied pressure of the cleaning elements upon the oral cavity to be substantially the optimal pressure.

Abstract: An imaging system may include: a first light source configured to emit a first source spectrum of collimated light; a second light source configured to emit a second source spectrum of light; a probe head configured to direct the first source spectrum and the second source spectrum toward tissue in an oral cavity and to collect a first feedback spectrum of light and a second feedback spectrum of light; an interferometry sub-system to generate an optical feedback signal using the first source spectrum; at least one optical sensor array for receiving the optical feedback signal and the second feedback spectrum; and at least one programmable processor to generate: a first diagnostic image of the tissue using the optical feedback signal; a second diagnostic image of the tissue using the second feedback spectrum; and a third diagnostic image from a combination of the first diagnostic image and the second diagnostic image.

Abstract: An imaging system, device, and method for diagnosing tissue is provided. The system may include one or more light sources (e.g., LEDs) configured to project light in a plurality of wavelengths. A time-of-flight module may be configured to project a modulated light, receive a reflected portion of the modulated light, and/or generate a three-dimensional time-of-flight image based on the received reflected portion of the modulated light. A multispectral camera may be configured to receive a reflected portion of the light and generate a multispectral image based on the received reflected portion of the light. A processor may be configured to identify the time-of-flight image and the multispectral image; generate a data matrix based on combining one or more portions of the time-of-flight image and the multispectral image; and cause the data matrix to be displayed as a three-dimensional image.

Abstract: An oral care system includes: an oral care device including a head having a reference face; and a plurality of sensors configured to generate sensor data, the sensor data including: motion data and orientation data corresponding, respectively, to motion measurements and orientation measurements of the reference face during a freeform oral care routine; and image data generated from external images of the oral cavity during the freeform oral care routine; and at least one programmable processor communicably coupled to the plurality of sensors, the at least one programmable processor configured to: generate transformed sensor data from the sensor data, the transformed sensor data comprising the orientation data transformed to be expressed in terms of an angular orientation system, the motion data, and enhanced image data, the enhanced image data representing each external image of the oral cavity combined with a representation of corresponding transformed orientation data.

Abstract: A spectroscopic system may include: a probe having a probe tip and an optical coupler, the optical coupler including an emitting fiber group and first and second receiving fiber groups, each fiber group having a first end and a second end, wherein the first ends of the fiber groups are formed into a bundle and optically exposed through the probe tip; a light source optically coupled to the second end of the emitting fiber group, the light source emitting light in at least a first waveband and a second waveband, the second waveband being different from the first waveband; a first spectrometer optically coupled to the second end of the first receiving fiber group and configured to process light in the first waveband; and a second spectrometer optically coupled to the second end of the second receiving fiber group and configured to process light in the second waveband.

Abstract: An oral care evaluation process may include: illuminating soft oral tissue within an oral cavity with a light source emitting a spectrum of light which induces fluorescence in an organic compound; generating image data for an image of the soft oral tissue while illuminating the soft oral tissue, the image comprising a plurality of pixels; and evaluating oral hygiene using a programmable processor programmed to assess an attribute of each pixel of the image.

Abstract: A spectroscopic system may include: a probe having a probe tip and an optical coupler, the optical coupler including an emitting fiber group and first and second receiving fiber groups, each fiber group having a first end and a second end, wherein the first ends of the fiber groups are formed into a bundle and optically exposed through the probe tip; a light source optically coupled to the second end of the emitting fiber group, the light source emitting light in at least a first waveband and a second waveband, the second waveband being different from the first waveband; a first spectrometer optically coupled to the second end of the first receiving fiber group and configured to process light in the first waveband; and a second spectrometer optically coupled to the second end of the second receiving fiber group and configured to process light in the second waveband.

Abstract: A system, instrumentality, and method for performing an oral care evaluation of a user via electrical impedance tomography (EIT). For example, a system may include an oral care device having a first member housing a first electrode. The first electrode may be configured to transmit a first signal through a gingiva of a user to cause an altered first signal. The oral care device may have a second member housing a second electrode. The second electrode may be configured to receive the altered first signal. The system may be configured to generate an electrical impedance tomography (EIT) profile of the gingiva of the user, for example, based on data indicative of the first signal and the altered first signal. An oral health characteristic of the user may be determined based on the EIT profile of the gingiva of the user.

Abstract: In one embodiment, a personal care implement is disclosed. The personal care implement has an emitting end and an electromagnetic source for projecting electromagnetic radiation onto an area of skin to treat a skin condition. A light sensor is configured to sense an amount of ambient light present at the emitting end. A controller instructs the electromagnetic source to begin projecting only when the light sensor senses that the amount of ambient light at the emitting end is below a predefined threshold.

Abstract: A color or shade assessment system and a method of assessing color or shade of an object. The system may include a color or shade measurement device having a probe portion terminating at a distal end, a light emitter assembly, and a light receiver assembly. Furthermore, a spacer including a sleeve extending from a proximal end to a distal end and defining a passageway may be coupled to the probe portion. The spacer may be alterable between (1) a first state in which the spacer is detached from the probe portion; and (2) a second state in which at least a portion of the probe portion extends into the central passageway of the sleeve and the distal end of the probe portion is located between the proximal and distal ends of the sleeve.

Abstract: An oral care evaluation process may include: illuminating soft oral tissue within an oral cavity with a light source emitting a spectrum of light which induces fluorescence in an organic compound; generating image data for an image of the soft oral tissue while illuminating the soft oral tissue, the image comprising a plurality of pixels; and evaluating oral hygiene using a programmable processor programmed to assess an attribute of each pixel of the image.

Abstract: An oral care evaluation system may include: a light source configured to emit a spectrum of light which induces fluorescence in an organic compound, the light source illuminating soft oral tissue within an oral cavity; an image sensor receiving light generated by fluorescence of the organic compound on the soft oral tissue, the image sensor generating image data for an image of the oral tissue, the image comprising a plurality of pixels; and an image processor receiving the image data from the image sensor and programmed to evaluate oral hygiene of the soft oral tissue by assessing an attribute of each pixel in the image.

Abstract: A spectroscopic system may include: a probe having a probe tip and an optical coupler, the optical coupler including an emitting fiber group and first and second receiving fiber groups, each fiber group having a first end and a second end, wherein the first ends of the fiber groups are formed into a bundle and optically exposed through the probe tip; a light source optically coupled to the second end of the emitting fiber group, the light source emitting light in at least a first waveband and a second waveband, the second waveband being different from the first waveband; a first spectrometer optically coupled to the second end of the first receiving fiber group and configured to process light in the first waveband; and a second spectrometer optically coupled to the second end of the second receiving fiber group and configured to process light in the second waveband.

Abstract: An imaging system may include: a probe head including a light source for emitting light in at least one spectral waveband suitable to generate a photoacoustic response in tissue, and an ultrasound transducer having a transmit mode for transmitting ultrasound energy into the tissue and a receive mode for receiving the ultrasound energy reflected by the tissue and photoacoustic energy from the tissue; and a programmable system configured to actuate the light source and to actuate the ultrasound transducer between the transmit mode and the receive mode in response to a timing signal.