1. A kit comprising: a solution of the product of porous zirconia optionally accessory application, the solution soderzhitpo least one cation of at least one agent imparting no coloring ions selected from Y, Gd, La, Yb, Tm, Mg, Ca and mixtures thereof, at least one solvent for the at least one ion, and optionally at least one complexing agent, optionally at least one thickening agent, optionally at least one organic marker substance, optionally at least bottom additive product wherein a porous zirconia type IV isotherm characterized by the adsorption and / or desorption NB according to the classification of the International Union of Pure and Applied Chemistry (IUPAC) .2. A kit according to claim 1, characterized in that the article of porous zirconia is characterized by at least one of the following features: hysteresis loop in the analysis with respect to its behavior during the adsorption and desorption of nitrogen, the adsorption isotherm and desorption N, having the H1-type hysteresis loop in. according to the IUPAC classification adsorption isotherm and desorption N, having a hysteresis loop in the range p / p0,70-0,95 average pore diameter connected from about 10 nm to about 100 nm, or from about 10 nm to about 80 nm, or about about 10 nm to about 50 nm average grain size of less than about 100 nm specific surface area BET of about 10 m / g to about 200 m / g, or from about 15 m / g to about 100 m / g, or about 16 m / g to about 60 m / g, flexural strength biaxially from about 10 MPa to about 40 MPa or about 15 MPa to1. Набор, содержащий:раствор,изделие из пористого диоксида циркония,необязательно принадлежности для нанесения,при этом раствор содержитпо меньшей мере один катион по меньшей мере одного агента, не придающего окраску, выбранный из ионов Y, Gd, La, Yb, Tm, Mg, Ca и их смесей,по меньшей мере один растворитель для по меньшей мере одного иона,необязательно по меньшей мере один комплексообразующий агент,необязательно по меньшей мере один загущающий аг
