Bleeding won’t last long if you apply pressure to the extraction site with a clean piece of gauze. Gently biting down on it works well. If bleeding continues, you can substitute a damp tea bag (black tea) for the gauze. Tannins in the tea encourage blood clotting. You may experience slight oozing (a lot of saliva with a little blood) for up to 48 hours. Keeping your head elevated will help it stop.