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Revista Médica Electrónica

versión On-line ISSN 1684-1824


SARDINA VALDES, Maribel et al. Tooth transposition. Case report. Rev.Med.Electrón. [online]. 2019, vol.41, n.6, pp.1500-1508.  Epub 31-Dic-2019. ISSN 1684-1824.

Tooth transposition is defined as an ectopia of the tooth germ, commonly found in upper canines, but when this entity is combined with a transposition, it becomes a dilemma for the orthodontists. Its etiology is multi-factorial and unknown. It takes place at the moment of the embryonic formation due to an interchange in the position of a tooth germ, and it is frequently considered linked to genetic factors. It is related to trauma in the affected area and with mechanic interferences. We present the case of a male patient, aged 14 years, who asked treatment for having buckteeth and a tooth ¨out of place¨. At the clinical examination it was observed the transposition of the 23 with 24. A fixed brace was put with direct cement techniques and bands in the first permanent upper molars. The orthodontist decided to mesialize 23 and let 24 free, to avoid root damage. Once 23 was in its position, 24 was distalized and aligned to the arch using pre-formed thermic nitinol arches and sections with elastomers. The molars and canines neutral occlusion was achieved without damaging the support tissues.

Palabras clave : Orthodontics; tooth transposition.

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