oronasal fistula


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or·o·na·sal fis·tu·la

a pathologic communication between the oral cavity and the nasal cavity.

or·o·na·sal fis·tu·la

(ōrō-nāzăl fistyū-lă)
Pathologic communication between oral and nasal cavity.
References in periodicals archive ?
The maxillary denture was relined in the oronasal fistula area with permanent soft silicone-based relining material (GC RELINE Soft), with the chairside relining procedure [Figure 7].
Prosthetic rehabilitation of an edentulous patient with an oronasal fistula. J Prosthet Dent 2015;113:347-9.
DISCUSSION: Oronasal fistula is the common complication following palatal repair, there are variety of option for reconstruction, local flaps, regional flaps and distant free flaps.
Cocaine abuse should also be included in the differential diagnosis of sublabial abscess and oronasal fistula. Urine toxicology testing is strongly recommended prior to embarking on reconstructive nasal surgery in these patients.
Four weeks after being discharged, she was taken to the operating room for surgical closure of her oronasal fistula, but the defect could not be closed because of extensive granulation tissue and bony necrosis surrounding the fistula (figure, B).
Physical examination revealed an oronasal fistula with black necrotic areas around the edges, accompanied by a foul odor.
On followup examination at 14 months, the oronasal fistula had closed.
The local consequences include oronasal fistulas, class II perio-endo lesions, pathologic fractures, ocular problems, osteomyelitis, and an increased incidence of oral cancer.