A LIGHT-ACTIVATED DENTIFRICE AND ASSOCIATED LIGHT IRRADIATING TOOTHBRUSH

摘要

A combination of a treatment device (10) having a light source in a head end portion emitting light in the visible range for use inside the mouth with a dentifrice (21) which comprises a mixture of a liquid medium and a powder comprising particles (13) having a titanium nitride (TiN) core (15) with a titanium oxide (TiO2) outer shell (17). The mixture when applied to the teeth and irradiated by the light source in the mouth results in the activation of the TiO2, resulting in up to 90% and more of the oral bacteria in contact with the dentifrice and exposed to the light being killed within a given time period.