Baking soda, also known as sodium bicarbonate, plays an important role in many fields, such as medicine, cleaning, food, beauty, chemical industry, etc. According to folk legend, putting a little baking soda in toothpaste when brushing teeth can make teeth whiten quickly, so does it have the magical effect of whitening teeth that is circulated among the people? We need to analyze and judge the physical and chemical properties of baking soda itself.

Baking soda is weakly alkaline when dissolved in water, which can be used to clean household dirt and deodorize. These properties of baking soda show that it does have the effect of cleaning and decontamination. Therefore, many people firmly believe that adding baking soda to toothpaste will have a miraculous effect on tooth whitening, and even an attractive label of rapid tooth whitening appears. From a scientific point of view, we confirm that baking soda can help teeth to decontaminate. First, adding baking soda to toothpaste can make baking soda particles directly rub teeth and help clean tartar. Secondly, baking soda has a slight corrosive effect, and it will present a weak alkaline environment when it meets water, while the environment in which tartar grows is weak acid. Therefore, adding baking soda to toothpaste can destroy the environment in which tartar grows, thus playing a role in removing tartar.

But there are some points that deserve our scrutiny.

First of all, the effect of baking soda can be achieved in many toothpastes on the market, and the effect is not worse than baking soda. Toothpaste+baking soda does not necessarily have the effect of 1+ 1=2, even because of the ratio or other factors, it is better to believe the research results of regular toothpaste manufacturers than to make special toothpaste with its own formula.

Secondly, I believe you have some experience. The whitening effect of baking soda on teeth is not obvious. The whitening mechanism of baking soda is similar to that of toothpaste, which is helpful for cleaning tartar, but it has no obvious effect on the pigment deeply attached to the tooth surface, so it is impossible to talk about rapid whitening. Some methods that can really achieve rapid whitening, including cold light whitening and tooth bleaching, are completely different from baking soda. They use high-intensity light with a specific wavelength to trigger free radicals to oxidize and reduce pigment molecules to achieve rapid whitening.

In this way, it seems that it is difficult to achieve satisfactory results simply by using baking soda to remove tartar for rapid tooth whitening. Friends who want to whiten their teeth had better go to a regular dental hospital instead of relying on some so-called folk remedies.