The lemon and grapefruit juices rich in vitamin C and other nutrients, good for your body in many ways, but may not be good for your teeth. Especially the lemon juice and the water of grapefruit is rich, acid can destroy tooth enamel over time.
Although it is a power supply with antioxidants and nutrients, but the dark blue of blueberries can cause black teeth for the bride. Instead of eating the fresh fruit directly, the bride can use them as vitamins, mix yogurt and using straws. This prevents the exposure directly to your teeth, so the influence will be greatly reduced.
Acids (especially from the vinegar) is the indispensable element in the process of fermented pickles, this is the danger with the glaze.
Part of Coca-cola's sugar and (CO2), if too much drinking, will render the clinging to the surface of teeth, making the teeth turn black. Research shows that, if every day drink 1 liter of Coca-Cola, after two years, the glaze covered the surface of the teeth will reduce tooth decay-causing bacteria by half. Of the overall carbonated beverages, Coca-Cola with darker teeth hurt the most, the second Orange station is water, and usually more pale colored drink as safe.=