I had a tooth removed top left back, 3 years ago root evidently pricked the sinus cavity,been infected every since,it smells and has green mucus that comes out when it builds up pressure,i have rinsed my sinus every day with everything from epsom salts to antibiotics,taken many rounds of antibiotics,no insurance,no cash,is there anything else to try,i need relief, headache,nausea,pressure above where the tooth was every day,help would be very appreciated.