| 摘要 |
PROBLEM TO BE SOLVED: To provide an oral care composition that reduces and/or eliminates the perception of tooth sensitivity.SOLUTION: The present invention relates to an oral care composition comprising: a. an adherent material being a polymer of methyl vinyl ether and maleic anhydride; b. silica particles having a median particle size of 2 μm to 4 μm, a d10 of 0.5 μm to 2 μm, and a d90 of 5 μm to 10 μm, wherein the oral care composition provides a fluid flow rate of no greater than about 45% of the fluid flow rate of etched dentin. The oral care composition is formulated into a form selected from a rinse, a paste, a gel, a gum, a dissolvable lozenge, and a film. |
