1. A device for cleaning the oral cavity, in particular, a brush section, for an electric hygienic device for caring for the oral cavity, comprising: a housing containing a head with a cavity of the head for receiving a movable brush head or head for cleaning the oral cavity, a neck with a cavity the neck and the clutch section with the handle, the first magnetic clutch element containing at least a permanent magnet or magnetizable element located in the said neck, for mechanical connection with the drive shaft, located married in the handle, due to magnetic interaction, while the first magnetic coupling element is mounted on a motion transmission device extended inside the neck cavity to the cavity of the head part, and the motion transmission device is movable in a linear or longitudinal direction, while said transmission device movement associated with said brush head or head for cleaning the oral cavity, and said brush head or head for cleaning the oral cavity is configured to view of the rotation-oscillating motion. 2. A device for cleaning an oral cavity according to claim 1, characterized in that said first magnetic clutch element, said motion transmission device and said brush head or an oral cleaning head are arranged and engaged with each other so that they can be set in motion with an operating frequency from 140 to 180 Hz, and in particular, with an operating frequency from 150 to 170 Hz. 3. An oral hygiene device according to claim 1, characterized in that the first element of the magnetic stage1. Приспособление для чистки полости рта, в частности, щеточная секция, для электрического гигиенического устройства для ухода за полостью рта, содержащее:корпус, содержащий головную часть с полостью головной части для приема подвижной щеточной головки или головки для чистки полости рта, шейку с полостью шейки и секцию сцепления с рукояткой,первый элемент магнитного сцепления, содержащий по меньшей мере постоянный магнит или намагничиваемый элемент, расположенный