If you ask your dentist, the scariest thing about Halloween is the damage all that candy can do to your teeth. Experts say trick-or-treat sweets aren't quite so sweet when it comes to oral health. The worst ones are sticky (think caramel and gummy candy) and acidic (think sour), but that doesn't mean chocolate lovers can breathe a sigh of relief. Even chocolate Halloween candy is loaded with sugar. The most important thing is to brush your teeth after eating, and you may want to steer clear of these 14 Halloween treats.