oroantral fistula


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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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
In a study performed by Larbi MS, 70% male who suffered from oroantral communication.22 The study of Hirata and his coworkers show that the rate of oroantral fistula is significantly higher in males with a male to female ratio of 1.7:1.6 The study of Delgado shows higher ratio in males.9
Combined palatal and buccal flaps in oroantral fistula repair.
Reddy, "Actinomycotic osteomyelitis of maxilla presenting as oroantral fistula: a rare case report," Case Reports in Dentistry, vol.
Caption: Figure 5: The oroantral fistula was closed with a buccal advancement flap.
The oroantral fistula remained successfully closed.
Surgical Technique: Under local anesthesia with vasoconstrictor, incision was made with two releasing incision and a circular incision around the oroantral fistula on buccal aspect.
In literature many surgical flaps were mentioned for closure of oroantral fistula. Buccal fat pad with skin graft was first used by Egyedi in closure of maxillary defects.
Double layered closure technique was used in one case of oroantral fistula. In cases of uneventful immediate post operative period, signs of epithelialization were seen to be started by the end of 1st week (Fig 4).
The management of an established case of oroantral fistula can be challenging, especially in the presence of active sinusitis.
(1) Causes include the escape of teeth and dental impression material through an oroantral fistula, penetrating trauma, and iatrogenic causes.
Oroantral communication (OAC) and subsequent formation of oroantral fistula is a common complication of dental extraction of maxillary molars.
Key Words: Oroantral fistula, buccal advancement flap, chronic sinusitis.