While enamel - the outer layer of your teeth - is the strongest substance found within the human body, certain things can erode it. Soda, coffee, tobacco, and other foods high in sugar or acids do a number on your enamel. Oftentimes, this erosion of enamel is the underlying cause of tooth sensitivity. It’s worth noting that most tooth sensitivity... read more »

Sharks can lose about 20 teeth each week, which is shocking but not surprising, since they’ve been known to chomp down on just about anything, from glass bottles to license plates to tires. While a shark’s undiscerning diet can be problematic for its digestive system, it’s not an issue for its teeth because it has so many extras. Marine biologist... read more »