In Oct,2006 I had to have an extraction of my lower left 1st molar I had a root canal done on this tooth 21 years before and it had a crown on it. I went for a cleaning appt , when they did x-rays the tooth deteriated in the gumline and bone .An oral surgeon extracted the tooth and did a bone graph due to bone loss. I was never givien antibiotics. After a wk I still had swelling in my face and the site was oozing pus. It was the weekend I had antibiotics of my husbands (enough for 3 days)I was sure this was an infection.I made an appt w/the oral surgeon . My jaw felt dislocated I couldnt chew and could barely open my mouth.The oral srgeon said it was tmj and that when a tooth is extracted sometimes there is inflamation in the joint he compared it to a disk in a back . I was told to use warm moist heat and given muscle relaxers. I went back in 2 weeks, my jaw opening was a little better but I still felt as though something wasnt right. I have had intermittent issues with numb/tingling from chin up to ear , watery eye and nasal running on this left side only , headaches so intense they made me cry at times. After a year it was discovered I had retained root tips and a whole root.They were removed, A month after removal of roots I developed a painful, bleeding sore on the gumline just about an inch back from the extraction site . My dentist said it is an infection, gave me penicillan .Is it possible I have a chronic bone infection from the original extraction?