question: Hello doctor, For over four months now, on my upper, outer gum, I have had an abscess. It comes and goes but never completely vanishes. It does not hurt at all. My tooth or molar looks fine. I would not even know it was there if my younger did not scrape over it. Occasionally it has a small pussy head and it runs vertically. Any clue what it is without taking an X-ray? If it is an infected root can I reverse it with a clean diet and swishing with Peroxide or something?