I think it's called Oragel and it works pretty good. Also icing then them will help any swelling and help with the pain. Take a pain reliever like Advil or something also. Oragel works pretty good and there are many sites online with home remedies for that also. You might take a look at some of those.
11 Home Remedies for a Toothache | Reader's Digest ...
www.rd.com/slideshows/home-remedies-for-toothache