Cavities. Just the mention of the word can make you panic---and make you worry about every twinge. Do I have a cavity? What’s that twinge in my mouth? Could I have a cavity? What are the signs of a cavity? The good news is that not every twinge in your mouth means you have a cavity (there are other reasons for a painful tooth). A cavity forms … [Read more...] about How do I know if I have a cavity?