Can Coca-Cola really dissolve a tooth overnight?
Not even close. Although teeth submerged in a cup of soda do eventually dissolve because of the acid present, this process takes several days. This myth likely originated from a 1950 Congressional testimony by a Cornell University professor named Clive McCay. He was trying to convince a committee of House representatives that soda could cause cavities, and he claimed teeth submerged in Coke would soften and begin to dissolve in two days’ time. His claims, though,...