There are several causes of tooth discoloration
Foods/drinks. Coffee, tea, colas, wines, and certain fruits and vegetables (for example, apples and potatoes) can stain your teeth.
Poor dental hygiene
. Inadequate brushing and flossing....
Here is home remedy for brighter teeth---
Mix several teaspoons of baking soda with enough fresh lemon juice (or water) to make a paste.
Wipe your teeth and any extra saliva off of them with a paper towel.
Put a good amount of paste onto your toothbrush and apply.
Leave the paste on for 1 minute, then rinse, so as to avoid the acid effecting enamel.
If you are using just
water you can leave it on for up to 3 minutes.
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