A 41-year-old patient complains of mobility of the 24, 26, 27 teeth, purulent discharges from the socket of the extracted 25 tooth. 1,5 months ago the patient underwent a dissection along the mucogingival junction and extraction of the 25 tooth. Objectively: alveolar mucosa in the region of the 24, 26, 27 teeth is cyanotic and edematic. Along the mucogingival junction there is a fistula with protruding granulations. There are also purulent granulation discharges from the socket of the extracted 25 tooth. In the right infraorbital region some soft tissue swelling is present. Which disease are these clinical presentations most typical for?