Dental bleaching gels; teeth whitening kits; teeth bleaching preparations; teeth cleaning preparations; teeth whitening gels; teeth whitening preparations; tooth whitening creams; tooth whitening gels; tooth whitening pastes; tooth whitening preparations; tooth whitening preparations sold as a unit in a dispenser for single or multiple doses; tooth whitening maintenance gels; breath freshening gels for personal hygiene; foaming gels to treat gingivitis, gum inflammation, plaque and halitosis;...