I had damage to my gum in a pocket, and maybe a vein in my gum that bled and was trapped in the gum. It was infected and swelled. After months of antibiotics and not knowing what it was I found it and cleaned it with Hydrogen peroxide. Its doing much better and no more pain but it seems like there is something still producing pus. The periodontist took xrays and says he doesn't know what it is and thought it was just healing. Since then a sliver of bone that was exposed has fallen off, but it keeps seeming like there is still an infection somewhere. What should I do?