Living in the 'Sinus Valley': Why Your Upper Teeth Hurt (And How to Tell if It’s an Infection)
If you ever feel a dull, aching pain in your upper back teeth during a cold, allergy flare, or sinus infection, you’re not imagining things. Many patients are surprised to learn that upper tooth pain is often not a dental problem at all, but a sinus issue in disguise. At the same time, however, true dental infections in the ...