Complications following surgically assisted maxillary expansion
Complicações após expansão de maxila cirurgicamente assistida
Albuquerque, Gustavo Cavalcanti; Gonçales, Andréa Guedes Barreto; Neto, Victor Tieghi; Nogueira, Alexandre Simões; Assis, Diogo Souza Ferreira Rubim de; Gonçales, Eduardo Sanches
http://dx.doi.org/10.1590/S1807-25772013000100004
Rev. odontol. UNESP, vol.42, n1, p.20-24, 2013
Abstract
The treatment of adult transverse maxillary deficiency is the surgically assisted maxillary expansion. Several surgical techniques have been described for this and complications have been related to these procedures. Objective: the aim of this study was evaluate the incidence of complications associated with surgically assisted maxillary expansion. Material and method: 33 individuals undergone surgically assisted maxillary expansion by subtotal Le Fort I osteotomy with a step in the zygomatic-maxillary buttress and associated to pterigomaxillary disjunction and osteotomy of intermaxillary suture. Operative complications, post-operative complications and the distance between the upper teeth were recorded. Result: 12 men and 21 women with an average age of 24.64 years undergone the procedure. The interdental distances increased from preoperative to 2 months post‑operative time. The prevalent complications were sinusitis (6%) and teeth displacement and inclination (6%). Conclusion: Surgically assisted maxillary expansion is an effective and low morbidity procedure to treat transverse maxillary deficiency in adults.
Keywords
Palatal expansion, osteotomy, postoperative complication.
Resumo
O tratamento da deficiência transversal de maxila, em adultos, exige a expansão de maxila cirurgicamente assistida. Diversas técnicas cirúrgicas são conhecidas para a realização desse procedimento, porém estas relacionam-se com complicações. Objetivo: Avaliar a incidência de complicações associadas ao procedimento de expansão de maxila cirurgicamente assistida. Material e método: Trinta e três indivíduos com deficiência transversal de maxila foram submetidos ao procedimento de expansão pela técnica da osteotomia Le Fort I subtotal com degrau no pilar zigomático-maxilar, disjunção ptérigo-maxilar e osteotomia da sutura intermaxilar. Durante os períodos trans e pós-operatório, as complicações relacionadas ao procedimento e as distâncias interdentais foram registradas. Resultado: Doze homens e 21 mulheres, com idade média de 24,64 anos, submeteram-se ao procedimento. As mensurações das distâncias interdentais evidenciaram aumento das mesmas entre os períodos pré-operatório e pós-operatório de 2 meses. As complicações prevalentes foram sinusite (6%) e deslocamento associado à inclinação dental (6%). Conclusão: A expansão de maxila cirurgicamente assistida é um procedimento eficaz e de baixa morbidade para o tratamento da deficiência transversal de maxila em indivíduos adultos.
Palavras-chave
Expansão palatina, osteotomia, complicações pós-operatórias.
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