Improved dental attachment, comprising a base (1) enabled to adhere to a tooth, and two walls (2, 3) arranged on the base (1) and perpendicular or substantially oblique to it and facing each other parallel to each other and with an interior space (4) between them enabled for the passage and stay of an orthodontic arch (11) or main wire, characterized by the fact that the walls (2, 3) are separated from one another without direct mutual contact, and the interior space (4) between them is and remains open in the direction perpendicular to the base (1) and with a geometry and proportions enabled for insertion into said interior space (4) of the orthodontic arch (11). ) from a vestibular direction or perpendicular to the base (1)； also presenting each of the walls (2, 3) an extension (21, 31) in a direction perpendicular to themselves and facing the opposite wall (2, 3) and in the region of the wall (2, 3) in contact with its own edge； the extensions (21, 31) of each wall (2, 3) being in alternating position with each other and at a distance in relation to the base (1) enabled for the passage and stay of the same orthodontic arch (11) between the own extension (21, 31) and the base (1). (Machine-translation by Google Translate, not legally binding)1. Aditamiento odontológico perfeccionado, que comprende una base (1) habilitada para su adhesión a un diente, y dos paredes (2, 3) dispuestas sobre la base (1) y perpendiculares o sensiblemente oblicuas a ésta y enfrentadas la una con la otra paralelamente entre ellas y con un espacio interior (4) entre ellas habilitado para el paso y estancia de un arco ortodóntico (11) o alambre principal, caracterizado por el hecho de que las paredes (2, 3) están separadas la una de la otra sin contacto mutuo directo, y el espacio interior (4) entre ellas está y permanece abierto en la dirección perpendicular a la base (1) y con una geometría y proporciones habilitadas para la inserción en dicho espacio interior (4) del arco ortodóntico (1
