Toothache should be caused by tooth decay. In fact, you'd better go to a better hospital or some private clinics.

Are you from Changzhou? I wonder if you have heard of PLA 102? In fact, my friend will go there with a toothache.

Find any digital oral center. In fact, the most important thing in this respect is to cure the problem.

Everything else is just a cloud. I hope your teeth will get better soon.

I hope you can take care of your teeth in the future.