Wisdom teeth extractions 5 days ago. When inhale through my lft nostril I feel pressure/air at the upper site. Guessing sinus floor link? ABX almost done

Sinus communication. Extraction of upper wisdom teeth can result in a communication between your mouth and your sinus. See your surgeon for assessment and treatment if needed.
See your surgeon. See the surgeon who extracted your teeth. There may be an oroantral communication at the site and it may need to be repaired.