1. Handle dental care product, comprising: a handle having a longitudinal axis and opposite first and second longitudinal end portions, said second end portion includes an engaging portion for releasably engaging the head affixed to the second end so that due manipulating handle for manipulating the head is provided by user for interaction with the users teeth, the inner surfaces of the mouth or tongue at etomvtoroy end portion includes a first longitudinal section and second longitudinal section, wherein the second longitudinal section narrows towards the end edge, wherein the first section has an extending outer surface in the longitudinal direction, and the second section has an extending outer surface in the longitudinal direction, the surface are joined via a transition surface which is tangent to the first surface and the tangent to the second surface, the second surface is displaced outwardly from the first dressing rhnosti not more than 3 mm with respect to the axis about poverhnosti.2 transition. Handle according to Claim. 1, wherein two outer surfaces are circular in cross sechenii.3. Handle according to any one of claims. 1 or 2, wherein the transition surface is docked with the first surface through the first radius, wherein the transition surface is docked with the second surface through the second radius, said first radius being greater than the second radius.4. Handle according to claim. 3, wherein the first radius is 9-10 mm.5. Handle according to claim. 4, wherein the first radius is about 9.7 mm.6. Handle according to claim. 3, wherein the second radius is 5-6 mm.7. Handle according to claim. 4, wherein1. Рукоятка предмета зубной гигиены, включающего в себя:рукоятку, имеющую продольную ось и противоположные первый и второй продольные концевые участкипричем второй концевой участок включает в себя зацепляющий участок для разъемного зацепления головки, прикрепляемой ко второму концевому участку таким образом, что за счет манипулирования рукояткой для