1. Toothbrush component comprising an engaging portion for engaging dental component to the dental retainer adapted to be inserted into the jaw, wherein the engaging portion is provided with at least two primary radial projections distributed on the perimeter of the engaging portion and adapted to placing them into the corresponding recesses secured in the retainer, with the engaging portion of the perimeter a first distance separates the first primary radial projection and a second primary radial protrusion And a second distance separates said second primary radial projection and the next primary radial protrusion, said first distance greater than said second distance, and the region of the engaging portion overlapped by said first distance or devoid of projections, or is provided with a secondary radial projection, which is at least in one direction is less than any of said primary radial vystupov.2. Toothbrush component according to claim 1, wherein the engaging portion is provided with a plurality of said primary radial projections distributed over the circumference of the engaging portion, wherein said first distance separates a first pair of adjacent primary projections, and said second distance separates any other pair of adjacent primary ridge, and between said first pair of adjacent projections engaging portion devoid of any protrusions, or provided with a secondary radial projection, which at least in one direction smaller NOTES x primary radial vystupov.3. Toothbrush component according to any one of claims 1-2, wherein the engaging ESTATE1. Зубной компонент, содержащий зацепляющий участок для зацепления зубного компонента с зубным фиксатором, выполненным с возможностью вставки в челюсть, при этом зацепляющий участок снабжен по меньшей мере двумя первичными радиальными выступами, распределенными по периметру зацепляющего участка и выполненными с возможностью их помещения в соответствующие углубления, обеспеченные в фиксаторе,при этом по периметру зацепляю