1. A composition for oral care, comprising (a) an orally acceptable carrier, (b) mucoadhesive polymer, (c) a compound or a zinc salt that are more soluble at acidic pH, and (d) an abrasive, wherein the composition provides protection against tooth erosion emali.2. A composition for oral care implement of claim 1, wherein the compound or salt is zinc oxide tsinka.3. A composition for oral care implement according to claim 1 or 2, wherein the mucoadhesive polymer is a copolymer of methyl vinyl ether and maleic angidrida.4. A method of reducing acid erosion of teeth, comprising: 1) providing a composition comprising (a) an orally acceptable carrier (b) mucoadhesive polymer, (c) a compound or a zinc salt that are more soluble at acidic pH, and (d) an abrasive and 2) delivering the composition to the oral cavity of the subject where delivery of the composition precipitates a layer of mucoadhesive polymer and zinc compound or salt for dental emali.5. A method according to claim 4, wherein the compound or salt is zinc oxide tsinka.6. A method according to claim 4 or 5, wherein the mucoadhesive polymer is a copolymer of methyl vinyl ether and maleic angidrida.7. A method according to claim 4, further comprising the application of shear stress to the composition, which equalizes the shear layer mucoadhesive polymer and a compound or a zinc salt, which is deposited on the teeth, where the aligned shear layer becomes more gomogennym.8. A method according to claim 7, wherein the application of shear stress results in the fact that the mucoadhesive polymer becomes more uporyadochennym.9. A method according to claim 7 or 8, wherein the shift voltage application results in the results1. Композиция для ухода за полостью рта, содержащая (a) перорально приемлемый носитель, (b) мукоадгезивный полимер, (c) соединение или соль цинка, которые становятся более растворимыми при кислом значении рН, и (d) абразив, где композиция предоставляет защиту против эрозии зубной эмали.2. Композиция д
