.Use baking soda. Baking soda can be used to effectively whiten teeth in the space of a few minutes! This is due to the fact that baking soda is a mild abrasive which helps to scrub stains from your teeth.
To use, wipe with a dry towel and any remaining saliva your teeth. wet your toothbrush and dip it in some baking soda. Then brush your teeth as normal, paying special attention to the 16 at the front visible teeth. You should brush for about three minutes.
Aware that Be, over time, baking soda on your teeth can wear down the protective enamel. Therefore, it is not a good idea to use this treatment everyday. Stick to using it once or twice a week for whitening results without the risk of damage. 
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Use hydrogen peroxide. Hydrogen peroxide can be used to bleach your teeth, making them whiter. It is completely safe to use, provided you avoid swallowing it.
One way is to use the hydrogen peroxide to face dip a clean cloth in the liquid, then use the soaked cloth to gently rub your teeth. The hydrogen peroxide will chemically remove stains, while the cloth will help to physically remove them.
Alternatively, you can rinse your mouth out with a cap full of hydrogen peroxide (which also helps to kill bacteria and freshen breath) or use it to dip your toothbrush and brush your teeth in the hydrogen peroxide.
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Eat strawberries. After a meal, you should on munch a couple of strawberries for dessert. Strawberries contain folic acid, which actually helps to clean and exfoliate teeth, making them appear whiter. 
You can also mix it with mash a strawberry and a natural whitening toothpaste for some baking soda.
Clean and whiten teeth naturally to include foods that help Other apples, pears, carrots and celery.
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Avoid eating or drinking items that could stain your teeth. You need to keep teeth looking white If, it s a good idea to avoid certain foods and drinks that can stain your teeth, such as coffee, black tea, red wine, grape juice and curry.
If you do any of the above-mentioned drink beverages, you can prevent them from staining your teeth by drinking them through a straw, or by rubbing a light layer of Vaseline over your teeth beforehand.
Alternatively, you can chew a stick of sugar-free gum after eating or drinking these items whitening. This can help to absorb any newly-formed stains, making your teeth look whiter. 
Using Store-Bought Products
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Use whitening toothpaste. Although the whiteness of your teeth whitening toothpastes will not improve dramatically in the space of an hour (they are more effective over time), they can help to remove stains and make teeth look brighter still.
Whitening toothpastes contain abrasive particles which wear away stains and polish the teeth (without damaging tooth enamel). They also contain chemicals (such as blue covarine) which bind to the surface of the teeth, making them appear whiter. 
Use whitening toothpaste To, place a pea-sized amount on your toothbrush, and brush using small circular motions, holding the toothpaste at a 45 degree angle from the gums.
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Use whitening strips. Whitening strips are coated with gel peroxide, which bleaches the teeth look whiter and helps them to. You will typically use two sets of strips per day, for 30 minutes each – giving you a whiter smile in only 60 minutes!
Whitening strips can be purchased over-the-counter at the drugstore or supermarket. Avoid purchasing a brand that contains the ingredient “chlorine dioxide” as this can damage on the teeth enamel.
To use the strips, one strip to remove them from the package and apply one to your top teeth and your bottom teeth. Leave them on for 30 minutes. Some strips after use will dissolve by themselves, while others will need to be removed.
For best results, continue to use the whitening strips twice a day over a two week period.
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Use a whitening pen. Like the whitening strips, whitening pens use a gel containing peroxide in order to bleach the teeth.
To use, remove the cap and twist the pen to release the gel. In front of a mirror and smile widely Stand, then use the pen to “paint” the gel onto your teeth.
Keep your mouth open for about 30 seconds to allow the gel to dry. Try not to eat or drink anything for 45 minutes following the treatment.
For best results, repeat this process up to three times a day for a month.
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Use a whitening tray. A whitening tray is another great option for whitening your teeth quickly. They can be purchased over-the-counter or can be custom-made by your dentist.
To use a whitening tray, squirt a small amount of the concentrated peroxide gel into the tray provided (which looks like a plastic retainer) and fit it over your teeth.