When you feel pain in your tooth you usually expect something to be wrong with your tooth. Quite often though tooth pain can be a result of pressure from the sinuses.
If you are having a bad cold or a sinus infection, or even if you just have narrow nasal passages in general, the pain may be coming from that. The buildup of mucous in the nasal passages presses on all of the muscle and tissue surrounding it resulting in pressure and pain on your upper teeth, the teeth closest to the sinuses.
If you feel any tooth pain it’s always best to consult with a dentist, but if you have a cold or sinus infection, it’s best to let the dentist know this relevant piece of information so that they can help you make the best choices for your care.