oroantral fistula


or·o·an·tral fis·tu·la

a pathologic communication between the oral cavity and the maxillary sinus, most commonly a complication of maxillary premolar molar tooth extraction.

or·o·an·tral fis·tu·la

(ōrō-antrăl fistyū-lă) Pathologic communication between the oral cavity and maxillary sinus, most commonly a complication of maxillary premolar molar tooth extraction.