This is a very strange topic.
I have good teeth. When I was younger, the dentist's assistant asked me if I'd ever had braces, because my teeth were so straight. That was probably the highlight of my life at the time. Unfortunately, my teeth are packed in really tightly, and my wisdom teeth have been coming in for a couple years now - very, very slowly - and they're squishing my two front bottom teeth just enough to make them not-as-straight-as-the-rest, which kind of bothers me. I need to get them out, but it's about five hundred dollars a tooth, and my university health plan only covers half of it, so it's still kind of expensive.
I'm kind of paranoid about my teeth. I usually brush twice a day, remember to floss about half the time, and use mouthwash when we happen to have some. My gums bleed pretty much every time I brush, which probably isn't a good thing. I should see a dentist, but non-emergency dentistry isn't covered by Medicare in Canada, and it's kind of expensive to see the dentist. I have a couple fillings from when I was a kid. They're silver.
I'm always worried my teeth aren't white enough, so I don't drink dark pop, like coke, but sometimes I'll have a Dr. Pepper, and I still drink tea and hot chocolate, so, there you go.