3 days ago a 35-year-old patient underwent the extraction of the 47 tooth, which was followed by health deterioration. Objectively: the patient is pale, body temperature is of 38,1°C, the lower jaw on the left is thickened, the surrounding soft tissues are swollen, opening of the mouth is difficult. Mucogingival fold at the 48, 47, 46 teeth is edematous, mucous membrane is hyperemic. There are purulent discharges from the 47 tooth socket, percussion of the 48, 46, 45 teeth is painful. There is also paresthesia in the lower lip region. What is the most likely diagnosis?