[. . . ] The Braun Oral-B Plak Control Ultra has been developed together with leading dental professionals to effectively remove plaque from all areas of your teeth. Should this be the case, take the charging unit (E) to a Braun Service Centre. [. . . ] Should it persist after two weeks, please consult your dentist or hygienist. Dentists recommend that you replace any toothbrush every 3 months, since worn bristles do not remove plaque as effectively as new ones. With proper brushing twice a day for two minutes, the colour will disappear halfway down the bristles in a 3-month period, provided you use toothpaste (I. Replacement brushheads This product can be used with all Braun Oral-B brushheads. After use, rinse the brushhead for several seconds under running water with the handle switched on (II ). Rinse both parts separately under running water (III ) and wipe them dry. From time to time, also clean the charging unit with a damp cloth (IV). In the interest of protecting the environment, do not dispose of the product in the household waste at the end of its useful life. However, if you prefer to dispose of the battery yourself, please refer to the section «Battery removal» (page 16). Avec un brossage correct, deux minutes deux fois par jour, la couleur s'effacera sur mi-hauteur supérieure des poils au bout de 3 mois d'utilisation, à condition que vous utilisiez du dentifrice (I. [. . . ] To obtain service within the guarantee period, hand in or send the complete appliance with your sales receipt to an authorised Braun Customer Service Centre. For UK only: This guarantee in no way affects your rights under statutory law. [. . . ]