1. A product for oral care and oral hygiene with photocatalytic activity, which includes calcium phosphate compound particles surface-functionalized with TiO nanoparticles in crystalline form, while these TiO nanoparticles have the following characteristics: a) predominantly layered morphology； b) coefficient compressions from 5 to 30； c) a surface structure having the front side (001), which is the surface of the crystal lattice farthest from the center； and d) TiO is represented in them in the form of anatase, sometimes mixed with rutile and / or brookite. 2. A product according to claim 1, wherein the particles of the phosphate compound are micrometric in size, preferably in the length range from 0.2 to 10 microns. A product according to claim 1, wherein the TiO nanoparticles have a length of less than 0.1 μm, preferably in the range from 0.01 to 0.1 μm. The product according to claim 1, in which the TiO nanoparticles have a thickness in the range from 2 to 5 nm. The product according to claim 1, wherein the calcium phosphate compound is selected from the group consisting of: octacalcium phosphate, tricalcium phosphate, apatite, hydroxyapatite and hydroxyapatite carbonate. The product according to claim 1, wherein the calcium phosphate compound further comprises zinc ions and / or carbonate ions. The product of claim 1, wherein the particles of the calcium phosphate compound have a surface with free positive and / or negative charges. The product according to claim 1, wherein the calcium phosphate compound particles surface-functionalized with TiO nanoparticles have a degree of crystallinity (CD) ranging from 50 to 80%, preferably from 58 to 75%. The product of claim 1, in the form of a suspension oil, gel or solid. The product according to claim 9, in the form of a suspension, which includes from 1 to 40% of the masses indicated1. Продукт для ухода за полостью рта и гигиены полости рта, обладающее фотокаталитической активностью, в состав которого входят частицы
