Why Do My Teeth Hurt? Common Causes and Relief for Tooth Sensitivity Tooth sensitivity is an incredibly common problem that affects millions of adults. For many, it means constantly avoiding their favorite hot or cold foods, or even wincing when a cold breeze hits their face. The good news is you don't have to live with that nagging discomfort. At Mint Dental Care, your family dentist in Sunnyvale, CA, we specialize in diagnosing the ...