One of the easiest and cheapest ways of getting rid of the yellowish teeth is by using baking soda along with your normal toothpaste while brushing. It is recommended to brush properly with a bit of baking soda for around 5 to 10 minutes, and then rinse with water for around 1 minute before spitting out.
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To get rid of the yellow stains on your teeth at the earliest, you can use Hydrogen peroxide, in extremely small amounts, before and after brushing. It is recommended to use mixture of water and 3% of Hydrogen Peroxide. The yellow stains will be removed very quickly if one uses Hydrogen Peroxide regularly while brushing. Do rinse with water to remove all the remaining substance of Hydrogen Peroxide, and also try not swallowing it.
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Salt and Vinegar:
One of the most easiest ways of removing dark yellow stains from your teeth and retain their original white colour is by brushing your teeth with the mixture of salt and vinegar. However, the salt and vinegar mixture is extremely abrasive and could cause pain in enamel if used extensively.
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