You can ease cavity pain with over-the-counter pain relievers and home remedies like clove oil. Avoid hot, cold, sugary, or acidic foods to help prevent further pain from cavities. Applying a cold ...

A cavity often appears as a brown stain or small hole, while stains are more widespread discolorations. Cavities may cause pain or sensitivity, but stains do not cause pain. If you have a cavity, a ...