Surgical management of oro - antral fistula due to dental procedures: two case reports
Keywords:oro-antral fistula, Buccal fat pad flap, buccal flap
Oro-antral fistula is one of the most frequently encountered complications after tooth extractions in the posterior maxillary. It can also be a complication following an infection involving the maxillary teeth, invasion of the sinus cavity by a cyst or carcinoma, trauma, the Caldwell-Luc operation, or implant procedures. Oro-antral fistula is an epithelised tract linking the maxillary sinus to the oral cavity if the oro-antral communication is not treated or in case of failure. Many surgical techniques have been proposed for the closure of the oro-antral fistula and the factors that should be considered for choice of each technique depend on the size of the communication, its location , time of diagnosis and health of the maxillary sinus. In order to avoid any sinus complication, the oro-antral fistula must be quickly closed.
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