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  • Title: Maxillary sinusitis of dental origin due to oroantral fistula, treated by endoscopic sinus surgery and primary fistula closure.
    Author: Hajiioannou J, Koudounarakis E, Alexopoulos K, Kotsani A, Kyrmizakis DE.
    Journal: J Laryngol Otol; 2010 Sep; 124(9):986-9. PubMed ID: 20482947.
    Abstract:
    AIM: To present the current treatment approach for oroantral fistula causing maxillary sinusitis. DESIGN: Case series. Four cases of oroantral fistula (diameters: 6, 9, 11 and 13 mm) due to chronic maxillary sinusitis were treated by excision of all diseased oroantral fistula tissue, followed by endoscopic creation of a large middle antrostomy and closure of the fistula using buccal flaps. A synthetic surgical glue and local alveolar bone were used. RESULTS: Patients were followed up for six months to three years; all were considered cured. CONCLUSION: Most surgeons use buccal or palatal flaps, combined with the Caldwell-Luc procedure, to treat chronic odontogenic sinusitis and to repair fistulae more than 5 mm in diameter. This study supports the hypothesis that an endoscopic technique could be successfully used in patients with oroantral fistula causing chronic maxillary sinusitis of dental origin, instead of the Caldwell-Luc procedure, at least in patients with a small to medium-sized oroantral fistula.
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