Teeth can turn yellow for a variety of reasons, but there are several ways to both slow down and even stop the process. Advice varies from avoiding specific foods to using baking soda and hydrogen peroxide sparingly.

Changing one’s diet

Foods that leave stains on teeth can be avoided to stop additional staining. Teeth can become discolored by tannin-containing foods and drinks like wine and tea. They can also get stained by juices, coffee, and dark sodas.

Eating acidic foods can cause enamel erosion, which can discolour teeth. Those who are self-conscious about the colour of their teeth ought to abstain from drinking too much soda, coffee, and citrus. As an alternative, they ought to always brush their teeth following consumption.

Trying oil pulling

The process of cleaning the mouth with oil to get rid of debris, bacteria, and grime is called “oil pulling.” While regular brushing and flossing are still necessary, some research indicates that using specific oils to wash one’s mouth may aid in teeth whitening.

Brushing with baking soda

On the surface of the teeth, stains can be subtly removed with baking soda. A 2017 study revealed that baking soda is a safe stain remover, despite some people’s concerns that it is too strong and could scratch enamel.

Additionally thought to aid in the fight against bacteria, baking soda may also help lower plaque and stave off tooth decay.

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Using hydrogen peroxide

A gentle bleach that can be used to whiten discoloured teeth is hydrogen peroxide. One can attempt brushing with a solution of hydrogen peroxide and baking soda for 1-2 minutes twice a day for a week to achieve the best whitening results. This should be their only sporadic action.

Hydrogen peroxide should not be used over an extended period of time or by those who already have sensitive teeth because it may make teeth more sensitive.

Consuming high fibre foods

Chewing some legumes and vegetables high in fibre can help counteract oral acid production and preserve tooth enamel.

The mouth produces more saliva when eating beans or leafy greens like spinach, which helps wash away acid from the mouth.