توضیحات:

All you need to know about having white teeth: how to whiten them, and the foods that help keep them white or stain them.
Over time, the teeth turn yellow or stain. These discomforts are accentuated if you have bad habits (too sweet food, cigarette, large consumption of coffee, tea, etc.) and if your enamel is very porous. Do not panic, however, to find teeth whiter and healthier without breaking the bank, you just need to apply the following tips, and to know the foods that make the teeth white or stain them