By:
22-05-2015

The Advantages Of Natural Tooth Whitening.

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Natural Whitening Methods

1 - Bicarbonate of soda and lemon juice paste is one of the most commonly used mixtures used for whitening teeth at home. Bicarb (or baking soda, as it is also known) is a mild abrasive that can help to scrub stains and imperfections off the surfaces of the teeth, while lemon is a naturally bleaching substance that can be used to lighten the colours. Not only do they work together to clean and bleach using these properties, but they also work against each other to neutralise the negative aspects of using strong agents in the mouth. Bicarb is an alkaline substance, while lemon juice is well known to contain a large proportion of citric acid. If you think back to your school chemistry lessons, you should remember that an acid and an alkali act to cancel each other out. You do not want to put a strongly alkaline or acidic substance in the mouth, as the imbalance will actually speed up the breakdown of the enamel.
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The mixture is applied by mixing enough lemon juice with a few teaspoons of bicarbonate of soda to make a paste, then dipping your brush into your solution and brushing your teeth as normal with a manual toothbrush. Leaving the mixture on for no more than one minute will allow the lemon juice to get bleaching, without allowing the acid to start breaking down the enamel and weakening the tooth. It is extremely important that you do not use an electric toothbrush with this method, as the intense motion of the brush combined with the abrasive particles in the bicarbonate will behave like sandpaper and actually scrape the enamel off the tooth, instead of just getting rid of the discoloured sections. Rinse the mouth with water to get rid of the paste.
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