| abstract |
An oral delivery system comprising: a first dental bleaching agent; a second dental bleaching agent or a taste masking agent; and an encapsulating material, which at least partially forms a physical barrier around the first bleaching agents and the second dental bleaching agents or taste masking agent, wherein the encapsulating material comprises a polymer having a measurable water absorption by the method ASTM D570-98 from 0.01% to 50% by weight of the system and where the encapsulating material has a tensile strength of at least 44.82 MPa (6,500 psi): wherein the first dental bleaching agent and the second Dental bleaching agent are peroxide compounds and the flavor masking agent is chosen from high intensity sweeteners, hydrogenated castor oil, sodium citrate, acid salts, cherry flavor, fruit flavors, and cooling agents. |