How to whiten teeth with baking soda

Have you ever heard of baking soda for whitening teeth? In fact, it has a good effect on exogenous black teeth, and can also quickly remove tea stains and cigarette stains, because it is a weak acid substance. Baking soda can remove tartar and whiten teeth in a simple way. When brushing your teeth, put some baking soda on the toothpaste and use it to brush your teeth directly.

1. Method: Use baking soda and salt together. Add some salt and water to the appropriate amount of baking soda and mix them evenly. Don't make it too thin, so that it can be applied on the teeth. Then use a clean cloth or toothbrush to apply a small amount and brush your teeth gently. That's it! It's more convenient to buy it in the supermarket. The pharmacy may not have it. A pack of 500G is estimated to be around 4.5 yuan.

2. Method: Baking soda can be used together with toothpaste. Just sprinkle a little on the toothpaste when brushing your teeth. However, you can only use a mixture of baking soda and toothpaste to brush your teeth once a day, because baking soda is alkaline and using too much will damage your teeth. It is best not to use it alone. Baking soda can be purchased at general pharmacies. If you don’t buy much, 3 or 4 cups are enough. However, soda tablets are more commonly sold in pharmacies, while baking soda can be bought in supermarkets.

3. Baking soda is effective for black teeth caused by exogenous factors, such as tea stains, cigarette stains, etc. Baking soda is ammonium bicarbonate, a weak acid. Soda is sodium carbonate, a weak base. Tartar breaks down when it comes into contact with acid, so baking soda has a certain effect.

4. Important points to note when using baking soda to whiten teeth: Although the baking soda remedy for whitening teeth is good, its application range is limited. It cannot achieve the ideal effect for teeth with yellower color. Doctors recommend that you say goodbye to laziness when it comes to teeth whitening and consult a doctor for a good prescription in time.