Author has written 3 stories for Harry Potter.
Top Ten reasons why Harry should brush his teeth...
1. When your teeth get blown out by a well aimed 'reducto', if they are bright-white they are much easier to find.
2. Smirking at your opponent in a duel is much more effective.
3. Lying is much easier with an attractive smile.
4. Who doesn't hate the taste of your own mouth in the morning?
5. Witches appreciate clean teeth.
6. Famous people can endorse hygienic/dental items and make tons of galleons.
7. People will yell at you if you don't.
8. That clean minty fresh taste!
9. British dental insurance is outrageous!
10. Cavity prevention.