Resumen

OCAMPO GARCIA, Karla Gabriela et al. Presentation of unusual maxillary osteonecrosis case with sinus invasion. Clinical case. Rev. Odont. Mex [online]. 2017, vol.21, n.4, pp.267-272. ISSN 1870-199X.

Maxillary osteonecrosis associated to biphosphonate use is an entity found in the mandible in 78% of all described cases. The present article presents the case of a female patient with breast cancer with bone metastasis, afflicted with maxillary osteonecrosis with sinus invasion. Routine imaging studies revealed a lesion in the right maxillary sinus which confirmed clinical suspicion. Lesion was surgically approached and removed with infrastructure hemimaxilectomy; oral-antral communication persistence was rehabilitated with a maxillary shutter. This allowed suitable control of the lesion and avoided its progression.

Palabras llave : Osteonecrosis; maxillary bosom; bifosfonatos; cancer.

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