Device for hygienization of an implement (1) for oral hygiene having at least one head (11) and a handle (12) for cleaning teeth, the hygienization device comprising a casing (3) having a cavity complimentary to the head (11) of the implement (1) and at least one internal part (31) made of silver or silver-coated in contact with the head (11) in order to transfer ions released from the internal part (31) of the head (11).