The tar builds up mostly on the back of your teeth because that area is hard to brush and many people don't make the effort. If you look at the back of your bottom teeth you will see what I mean.
JMRinFLA Reviewed by JMRinFLA on . Dentist knowing u smoke Hey i was watching a movie, and this kid's detist looked in this kids mouth and he was like "Does ur mom know u smoke?". Can dentist do that for real?, if they can i'm screwed, i got a dentist appointment coming up. Rating: 5