PMC6884724_01
A) intraoperative picture showing oroantral fistula; B) use of the gutta-percha cone to explore the fistula by X-ray
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Clinical (Figure 1) and radiographic investigation (Figure 2) revealed oroantral communication in the vestibular ridge.
Panoramic x-ray showing an osseous defect in the left upper molar region. The Fistulography bellow confirmed the oroantral communication
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Clinical (Figure 1) and radiographic investigation (Figure 2) revealed oroantral communication in the vestibular ridge.
A) intraoperative view of the surgical procedure of the vestibular advanced flap; B) the buccal flap was placed over the defect and sutured
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Surgery was done on the next week under local anesthesia; two vertical releasing incisions having a trapezoidal shape were placed, and buccal flap was raised (Figure 3 A). The buccal flap was placed over the defect and sutured (Figure 3 B), and routine postoperative instructions with prescription of antibiotics and analgesics were given to the patient.
Postoperative healing after 6 months
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The patient was scheduled for regular follow up appointments, and healing was uneventful after six months (Figure 4).
PMC6884724_02
Orthopantomogram of the patient
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Radiographic investigation showed the projection of roots of 16, 17, 18 and 27 in the sinus (Figure 5).
A) preparation of the buccal advanced flap; B) suture of the flap
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After removal of the 17, oroantral communication was confirmed and its management was performed following the technique described in the first case report (Figure 6).
Follow-up after six months
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Follow-up of the patient after six months showed a good healing without any complications (Figure 7).