Host: Welcome to today's podcast. Have you ever experienced a toothache, assumed it was a cavity, and then discovered your dentist couldn't find any decay? You're not alone. Many people experience tooth pain without having a cavity, and today we're going to explore why that happens.

Guest: That's right. While cavities are a common cause of tooth pain, they're certainly not the only reason. Several dental and even non-dental conditions can lead to discomfort.

Host: Let's begin with tooth sensitivity. Why does that happen?

Guest: Tooth sensitivity usually occurs when the enamel, which protects the tooth, becomes worn down or when the gums recede and expose the root surface. As a result, hot coffee, cold drinks, ice cream, or sweet foods can trigger a sharp pain. ...