1. The endodontic file (10) comprising: a handle (11) adapted for attachment to a mechanical tip, configured to rotate in a predetermined direction of rotation, a spiral conductor (15) comprising a layer of a spirally wound wire made of metallic material wound in said predetermined direction rotation around the central conductor (13) of metallic material between the opposite ends of the center conductor so as to form a unitary structure (18), wherein contact is maintained between the spiral and residential Tsentral noy residential while rotating an endodontic file in the root canal, wherein said unitary structure (18) has a generally conical cross section including a narrow front end (17) and an opposite wider upper end (16) and is retained on the upper end of the handle inaruzhnuyu surface (20) of the spiral wire, processed to form an abrasive surface for removing material from the root canal wall during rotation of the endodontic file in a root canal in said given direction characterized in that the spiral conductor (15) comprises: an inner helical winding (30) of a small diameter wire that is wound in the predetermined direction of rotation between the wide end (16) of the core and a thin end (17) of the file igibkuyu valve comprising an outer helical winding (31) of larger diameter of the wire wound around the inner winding of the spiral (30) .2. The endodontic file according to claim. 1, characterized in that the outer layer is wound in a direction opposite to the predetermined direction vrascheniya.3. The endodontic file according to claim. 1, characterized in that1. Эндодонтический файл (10), включающий:ручку (11), приспособленную для крепления к механическому наконечнику, конфигурированному для вращения в заданном направлении вращенияспиральную жилу (15), содержащую слой спирально намотанной проволоки из металлического материала, намотанной в указанном заданном направлении вращения вокруг центральной жилы (13) из металлического материала между противоположны