Wear-out detection for an oral care system

An oral care system comprising:

• means for performing an oral cleaning;
• a sensor unit adapted to generate a sensor signal related to a cleanliness level of oral surfaces when the means for performing an oral cleaning are inside an oral cavity of a user;
• and
• a processor arranged to perform a wear-out assessment comprising monitoring the sensor signal generated outside of an operation session of the oral care system, to generate a wear-out feedback signal dependent upon an outcome of the wear-out assessment, the wear-out feedback signal being a sensory output signal for controlling a sensory output device to generate sensory stimulus for communicating the outcome of the wear-out assessment to a user.

A computer-implemented method for detecting wear-out in an oral care system, the method comprising:

• receiving a sensor signal from a sensor unit, the sensor signal relating to a cleanliness level of oral surfaces when the sensor signal is generated when oral cleaning means of the oral care system are inside an oral cavity of a user;
• performing a wear-out assessment comprising monitoring the sensor signal generated outside of an operation session of the oral care system;
• and
• generating a wear-out feedback signal dependent upon an outcome of the wear-out assessment, the wear-out feedback signal being a sensory output signal for controlling a sensory output device to generate sensory stimulus for communicating the outcome of the wear-out assessment to a user.