But when you notice brown stains on your garments or a funky smell on freshly ... For best results—for both the iron and your teeth—you may want to use a toothpaste that contains baking soda. Use a ...

The iron is so concentrated in Komodo dragons that the serrated edges of the teeth are orange. At first, researchers thought the color was food stains rather than iron. The combination of iron and ...

Does brushing your teeth with turmeric and coconut oil leave them pearly white? Some dentists think so, and others, not so much.