Well, actually, I would start with a 30C, I find that in acutes, a 30C is often sufficient, but you can always follow with a 200 if you're not satisfied with the 30.

I asked what eventually happened cuz I figured you had already given the Silica.

In gum infections, I've had good luck with Hepar Sulph., Silica, Mercury, Nitric Acid and even Pulsatilla.

Good luck,
Snoopy