1. Make some changes in your diet

Of course, foods are what cause your teeth to turn yellow, so you should limit your intake of foods and beverages that has tannin contents, like coffee, tea, chocolate, wine, etc. 

Other than that, acidic foods can also stain your teeth by grind away the enamel. If you are concerned with your dental health, then you should get rid of citrus, sodas, and certain dairy products.

Quitting your vices, smoking in particular, could also help in maintaining white teeth.

2. Oil pulling

Oil pulling refers to gargling or washing your mouth with oil (coconut, sunflower, sesame oil) for 20 minutes to eliminate bacteria, dirt, or debris. This is an ancient way of brushing or flossing and is a method to help whiten teeth. 

However, according to the American Dental Association (ADA), “there are no reliable scientific studies to show that oil pulling reduces cavities, whitens teeth, or improves oral health and well-being.”

3. Using baking soda

Baking soda is a versatile ingredient known for its many uses — among those is its power to whiten teeth. Some are worried that baking soda may be too harsh for the teeth and may wear down the enamel; however, findings of a study in 2017 show that it is a safe way in removing stains. Apart from that, baking soda also helps fight bacteria, prevent tooth decay, as well as reduce plaque.

4.  Whiten teeth with fruit

Papaya and pineapple contain enzymes, including Papain and Bromelain, that are known to whiten teeth. In 2012, a study found out that solutions containing these enzymes could provide a decent whitening effect. Despite that, the authors suggested that more research has to be done to prove whether or not these ingredients are actually effective. 

5. Brushing with hydrogen peroxide

Hydrogen peroxide is a chemical used as an oxidizer or bleaching agent that can also help in teeth whitening. To see the best results, you can mix it with baking soda and brush your teeth using the mixture for two times a day within one week. This should only be done from time to time as hydrogen peroxide may increase sensitivity.


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