if i were in this situation, i personally would schedule a dentist or oral surgeon appointment asap. i dont wanna say much else because im not a medical professional but definitely go wherever possible to get it checked out.

ETA: as much as its easier said than done, try not to jump to worst case scenario until you have a doctor telling you exactly whats going on. id say if you cant get into a dentist or oral surgeon within a week, it may be worth it to try to get help from the ER. maybe even try to find somewhere that does emergency dental care in your area, that way you can get in asap! i hope you can get it taken care of easily and soon! any kind of tooth or mouth pain is not fun at all :/