Dentifrices; preparations and substances for use in oral hygiene; preparations and substances for dental hygiene; toothpastes, toothpowders, tooth gels, tooth polishes; mouthwashes, breath fresheners; denture polishes; preparations for cleaning dentures; preparations for whitening teeth, stain-removing preparations for teeth, preparations for cleaning teeth, cosmetic preparations for the teeth and gums; preparations for removing stains from dentures.;