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Revista Médica Electrónica
versão On-line ISSN 1684-1824
Resumo
CASAS ACOSTA, Jorge e SARDINA VALDES, Maribel. Removable device to draw out the canine retained in the palate. Rev. Med. Electrón. [online]. 2011, vol.33, n.6, pp. 738-744. ISSN 1684-1824.
The correction of the canines retained in the palate through fixed devices leads sometimes to the devitalization of the neighbor teeth, due to the proximity of their corona with the root of the incisive. The direction of the traction force achieved with fixed techniques can provoke these undesirable sequels. In this work we show the confection of a removable device to draw the superior canine out when it is retained in the palatal position. The design was made based in a Hawley plate, adding a spring in the form of a safety pin. A part of the spring stays inside the acrylic plate, and the other, the active element, is inserted in the device tied to the retained teeth. The position of this active element allows orientating the direction of the force vector, in a way avoiding the lesion of the neighbor teeth. We observed that this device improves the prognosis and reduces the risk of the root reabsorption, and it is useful to start the treatment of the canines retained in the palate.
Palavras-chave : removable device; retained canine; devitalization; orthodontics.