PMC9442598_01
(a) Panoramic X-ray showing a radiolucent, unilocular area, well outlined, in the region of the canine to the first molar in the right side, involving the unerupted tooth; (b) Surgical cavity with the cyst, the ruptured capsule, showing a whitish keratin cluster; (c) fistula; (d) Final clinical case with a normal mucosa.
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Two weeks after lesion enucleation, a fistula appeared (Fig. 1c), with a buccosinusal communication and oozing of a yellowish fluid that was aspirated and sent for culture - carried out in blood agar in aerobiosis and anaerobiosis, at 37 C, for 48 hours and 15 days, respectively. Through the fistula, we removed organic remains from there using water/hydrogen peroxide (equal volumes) with satisfactory results (Fig. 1d).