Guidance:

In your case, it is recommended that you see a dental doctor. Most of the reasons are caused by oral diseases. Generally speaking, it may be: gingivitis, Caries and dental calculus may be relatively large. Generally speaking, an ultrasonic tooth cleaning will significantly improve the condition. You can also try tablets containing Huahua Su. Don't eat onions, garlic, hot pot, etc. But you may also have indigestion. I would also recommend that you see a gastroenterologist. There may also be stomach problems accompanied by indigestion. This all needs to be dealt with.