Lemon is famous as a fruit with a variety of useful properties for health and body care, such as for facial skin care (for the link later). In addition, lemon also proved to have beneficial properties to whiten teeth. This economical natural way can be an alternative so there is no need to pay expensive maintenance costs to get a brilliant white teeth.
The trick can be done by using liquid mixture of baking soda and lemon juice. Apply the mixture to the teeth by using a "cotton bud" (a small stem with the end of the berkapas) for a maximum of one minute because the acid content in lemon is strong enough to break the enamel layer. After that proceed with rubbing using a toothbrush.