Complica？？es após expans？o de maxila cirurgicamente assistida

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.