Discoloured teeth happen because of lack of proper hygiene, too much coffee consumption, hereditary factors and so on. This can disfigure your smile. However, luckily for you, there is a solution. See How to use baking soda to whiten yellow teeth:

  1. Mix a quarter of a teaspoon of baking soda with your toothpaste – the precise amount required to brush normally.
  2. Brush your teeth gently with this once in 7 days.
  3. Do this for a few weeks.

The result will surely be a whiter and brighter smile.

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