1. means dentifrice composition comprising: a. effective amount of a basic amino acid in free form or in salt form b. abrasive comprising: i. natural calcium carbonate (NCC) with an average particle size of 3-7 microns and ii. precipitated calcium carbonate (PCC), wherein the composition has a pellicle cleaning ratio (PCR) of at least 70 and a value of abrasion radioactive dentin (RDA) of less than 140, and the natural calcium carbonate relation to the precipitated calcium carbonate is from 1: 1 to 1: 5.2. Composition according to claim. 1, comprising precipitated calcium carbonate (PCC) with a mean particle size of 1-5 mkm.3. A composition according to any one of claims. 1 and 2, further comprising an effective amount ftorida.4 source. A composition according to any one of claims. 1 and 2, wherein the basic amino acid in free form or in salt form is arginina.5 bicarbonate. A composition according to any one of claims. 1 and 2, wherein the basic amino acid is contained in an amount corresponding to from 1% to 15% of the total weight of the composition, wherein the weight of the basic amino acid is intended to form the free osnovaniya.6. A composition according to any one of claims. 1 and 2, wherein the ratio of natural calcium carbonate to the precipitated calcium carbonate is from 1: 2 to 1: 3.7. A composition according to any one of claims. 1 and 2, wherein the natural calcium carbonate is contained in an amount of 5-20% by weight of the composition, and precipitated calcium carbonate is contained in an amount of from 10 to 35% by weight kompozitsii.8. A composition according to any one of claims. 1 and 2, wherein the natural calcium carbonate is contained in an amount of about 10%, and precipitated calcium carbonate is contained in an amount of about 25% by weight kompozitsii.9. A composition according to any one of claims. 1 and 2, further sod1. Композиция средства для чистки зубов, содержащая:a. эффективное количество основной аминокислоты в свободной форме или
