rusty teeth

Heavy smokers usually have teeth black stripes and the color of teeth yellow-brass. To clean try the following ingredients:
Tamarind seeds
How: tamarind seeds fried without oil until charred and then finely ground, then rubbed on a rusty teeth with a toothbrush or cloth. Do it over and over - again, surely your teeth will look white and clean again.

Sources: Ancient Drug of Heritage ancestors. Ny. Ambarsari.Putra Angkasa. Solo