I had three fillings done last wednesday on my upper right side, starting behind the canine tooth and the fillings were inbetween the teeth. The next day I hoticed that the little piece of skin above the canine was painful, I think its called a fenula, the next day it was swollen to a point where i noticed it in my mouth and really hadnt ever paid it much attention prior. Its still swollen, still very painful to smile, chew, or when my face is touched outside the area. What would this be