Complicações após expansão de maxila cirurgicamente assistida

Complications following surgically assisted maxillary expansion

Resumos

INTRODUÇÃO: 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.

Expansão palatina; osteotomia; complicações pós-operatórias

INTRODUCTION: 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.

Palatal expansion; osteotomy; postoperative complication

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Datas de Publicação

• Publicação nesta coleção
  11 Mar 2013
• Data do Fascículo
  Fev 2013

Histórico

• Recebido
  28 Set 2012
• Aceito
  15 Jan 2013