Sodium chloride. Common salt helps the body to normally meet the requirements of sodium and chlorine. Sodium ion are basic in reaction while the chloride ions are acidic and they are together responsible for the acid base equilibrium in the body.
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Rating Newest Oldest. Best Answer: Buying an expensive tooth brush may help keep your teeth cleaner, but using an over the counter whitening system will whiten and brighten your smile! Bleaching your teeth for one to 4 weeks will not harm your teeth and the result will last for a long time.There are also a number of dentist assisted whitening methods that work well including take home tray bleaching and in office whitening.eport Abuse. Lemon juice, baking soda or baking powder can also be used for teeth whitening. Rubbing the bark of walnut tree brightens the teeth. Strawberries are natural teeth whiteners, simply rub them directly on your teeth or mash into a paste and apply.