1. Sugar…anything
2. Citrus
3. Light-colored and Clear Soda
4. Sweetened energy/sports drinks
5. White Wine
6. At-home teeth-whitening kits
7. Sesame oil
8. Soy sauce
9. Tomato sauce
10. Dark berries
11. Juice boxes
12. Pickles
13. Ketchup
14. Balsamic vinegar
15. Red beets
16. Curry
17. Mouthwash
18. Herbal tea
19. Drinking like a civilized human being
20. Processed carbohydrates
21. Pepto-Bismol
22. Dried fruit
23. Being a vampire
24. Ignoring nutrient-dense foods
25. Still not flossing
26. Beans, beans, the magical fruit
27. Hating broccoli
28. Not drinking enough water
29. Not chewing properly
Feeling paranoid yet? Don't worry too much. Basically, avoid an excess of sugar and drink plenty of water. Your teeth will be singing your praises for years to come.