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Revista odontológica mexicana
Print version ISSN 1870-199X
Abstract
OROZCO DE LA HUERTA, Armando; PICCO DIAZ, Ma. Iliana and GONZALEZ MONTELONGO, José Manuel. Transverse maxillary osteogenic distraction with a tooth-supported intraoral Hyrax appliance: case report. Rev. Odont. Mex [online]. 2009, vol.13, n.3, pp.152-157. ISSN 1870-199X. https://doi.org/10.22201/fo.1870199xp.2009.13.3.15580.
Treatment of dentofacial deformities could be done by conventional orthodontics, orthognatic surgery and recently by osteogenetic distraction. The treatment of transversal maxillary or mandibular deficiency is the most controversial among the dentofacial deformities because of the decision to extract or not healthy teeth. The studies carried out by Proffit and Little in 1991 had shown an increased rate of failure in orthodontic compensatory treatments due to occlusal instability. A case of a 19-year-old patient with transverse maxillary deficiency and Class II profile is presented. The treatment was carried out by means of osteoge-nic distraction with an intraoral tooth-supported Hyrax appliance, with the purpose of increasing the maxillary width, avoiding teeth extraction and improving occlusal stability for orthognatic surgery.
Keywords : Dentofacial deformity; osteogenic distraction; Hyrax.