First I have to say that I have a deadly fear of dentists. When I was a kid we went to the dentist that my parents could afford and every visit was a nightmare. So, consequently, I am ashamed to say that I have not been to the dentist (except once for an abscess) in over 20 years. I am now 40. I brush maybe 4 times a day, floss 2x/day,and rinse with Listerine 2x/day. I have very large teeth, I still have my wisdom teeth. When I went in (about 10 years ago) to have my abscess treated I was told that I needed to have my wisdom teeth pulled since my mouth was overly crowded and if I did not then I would continue to have problems with abscesses and pain. I did not follow through and have been abscess free with only occassional pain from time to time. However, about once a week or so when brushing I get bleeding from the back of my mouth (I don't think it's my gums). I can never find the source of the bleeding but it seems to come from the area of my wisdom teeth. It stops after I rinse a few times but for the remainder of the day I have a foul taste in my mouth. Do you know what this could be?