Malformación vascular intraósea en el maxilar que se presenta en forma de sangrado gingival

intraosseous arterio-venous malformations (avm) in the maxillofacial region are rare clinical entities. they have a wide range of clinical presentation and are not always diagnosed without a surprise. treatment of these lesions has always been a challenge to the surgeon due to extreme vascularity and the high recurrence rate. the case presented is that of an intraosseous arterio-venous malformation in the maxilla that started as gingival bleeding and routine radiographic examinations were inconclusive. surgical excision and bone wax packing was performed there were no recurrences during 1-year of follow-up. vascular malformations may be considered in differential diagnosis of gingival bleeding with inconclusive dental radiographs.