He smiles through what are, for an American, impressively crooked and stained teeth.

BBC: New battlegrounds open up in US election

It was dingy now, the color of coffee-stained teeth and it puckered around my chest and strained a little around my hips.

NPR: Excerpt: 'The Garden Angel'

Many have teeth stained from cigarettes they smoke and tobacco they chew to relieve the tedium.

FORBES: Magazine Article