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Le bicarbonate de soude et le citron permettent de blanchir les dents. Vrai ou faux ?

Does baking soda and lemon help to whiten teeth? True or false?

It is often recommended to use baking soda and lemon to naturally whiten teeth. But are they really effective? And is there any danger to the enamel? We explain what you need to know about this.

Summary
Published February 14, 2024, by Sandrine, Scientific Editor — 2 min read

Baking soda: an abrasive agent.

The sodium bicarbonate helps to reduce extrinsic stains on the teeth caused by tobacco, poor oral hygiene, or diet (tea, coffee, spices...). It cleans the teeth but does not whiten them.

However, caution is necessary as baking soda is a abrasive agent that can damage your enamel and irritate your gums. The use of baking soda should therefore be avoided unless your dentist advises the use of baking soda due to an oral pathology.

Lemon: An acidic agent.

With a pH of 2.3, lemon has a high acidity. This acidity erodes the enamel of your teeth causing a sensitivity and the possible emergence of cavities. Moreover, it can be the cause of the formation of mouth ulcers in the oral cavity.

Thus, lemon and bicarbonate, known as ingredients for whitening teeth at home, are false miracle products. They can even prove to be dangerous for the health of your teeth.

Our advice for taking care of your teeth.

It is important to have a good oral hygiene. Here are our tips:

  • Brush your teeth 2 to 3 times a day.

  • Rinse your mouth with water after each meal.

  • Use dental floss and interdental brushes every day.

  • Regularly consult your dentist.

  • Perform a descaling 1 to 2 times a year.

  • Use a fluoride toothpaste.

  • If you wish to have a teeth whitening procedure, ensure you only have it done in a dental clinic.

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