White, D J Development of an improved whitening dentifrice based upon "stain-specific soft silica" technology. [electronic resource] - The Journal of clinical dentistry 2001 - 25-9 p. digital Publication Type: Journal Article ISSN: 0895-8831 Subjects--Topical Terms: AdsorptionChemistry, PharmaceuticalColorDentifrices--chemistryEsthetics, DentalHumansOxidants--chemistryPorositySilicon Dioxide--chemistrySurface PropertiesSurface-Active Agents--chemistryTechnology, PharmaceuticalTooth--anatomy & histologyTooth Bleaching--methodsTooth Discoloration--prevention & controlToothbrushingToothpastes--chemistryWater--chemistry