What Causes Green, Foul-tasting Fluid To Drain From Both Sides Of My Mouth After Upper Tooth Extraction With Chronic Sinusitis?

I have chronic sinusitis, and I just had all my top teeth extraced. I am noticing episodes of a lot of fluid caring from the top sides bilaterally. When I was in the restroom and it happened, I spit out a hefty portion of green thick stuff that tastes and smelled like bile....