If you’ve ever had one of those painful, annoying white or red bumps on your tongue, you probably had a few questions, like "What is this?" and "How did it get here?" and, "Is it dangerous?" Well, to answer those (literally) burning questions, the bumps are probably transient lingual papillitis, and they are for the most part harmless.

Idioms. They’re one of those elements of everyday language that we often use without thinking about or really understanding what they mean. Curious about where some of the most common tooth-related idioms come from? Keep reading, and we’ll "spill the beans!"