Management of a 20-Year-Old Longstanding Oroantral Fistula: A Case Report and Review of Literature

P. Koppolu, T. A. Khan, A. A. A. Almarshad, A. S. Lingam, M. M. Afroz, H. F. Alanazi

Research output: Contribution to journalReview articlepeer-review

Abstract

A systematic treatment plan and an appropriate selection of surgical technique are the critical requirements for an effective closure of oroantral fistula (OAF). A 45-year-old female patient had sinus opening after she underwent a surgical tooth extraction 20 years back. On her frequent visits to the dentists some attempts were made for closure including surgical intervention, only for the lesion to return back. Computerized tomography (CT) scan was taken to rule out any bony extension of a lesion, the CT revealed a 1 x 1 cm radiolucency with a through - through communication from the alveolar bone to the right maxillary sinus because of the bony defect in the floor of maxillary sinus along with thickening of the maxillary sinus lining. The closure of the defect was done by a lateral pedicle flap raised from the right side was elevated and laterally slid to cover the defect without tension and was sutured with 4-0 resorbable interrupted suture while maintaining a bare surgical bed covered by the periosteum and a thin layer of connective tissue. This technique provides immediate repair of the defect to the patient, and also maintains comparatively normal anatomic architecture to the oral cavity. Eight months postoperative follow-up revealed a complete closure of OAF without any complications. The findings of this case suggest that lateral sliding pedicle flap can be a conservative approach in managing a long-standing OAF.
Original languageEnglish
Pages (from-to)731-736
Number of pages6
Journal Nigerian Journal of Clinical Practice
Volume25
Issue number5
DOIs
Publication statusPublished - May 2022
Externally publishedYes

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