Baking soda whitens teeth: is there any risk?

Baking soda (sodium bicarbonate) is a widely used tooth whitening ingredient. Baking soda has natural whitening properties, and you can see its existence in many toothpastes and natural treatments for teeth. But you may have a question: Is baking soda a risk to your teeth?

Even if it is widely used, it does not mean baking soda does not pose any risk to your teeth. We need more research and understanding to facilitate us to use this tooth whitening ingredient more confidently.

You have seen baking soda in many family therapies, but for whitening teeth, we need to know whether it is risky.
You have seen baking soda in many family therapies, but for whitening teeth, we need to know whether it is risky.

Is it risky for soda to whiten teeth?

We have a lot of research and reasoning, but before that we want to tell you the conclusion:

In short, brushing your teeth with baking soda is not harmful to your teeth, because it is less abrasive and will not harm your enamel. Unfortunately, at present we have no way to prove that baking soda is useful for whitening teeth.

Why do we say that? What risks does baking soda pose to your teeth? The following is a specific analysis:


Can baking soda whiten teeth?

If we analyze the composition of a toothpaste, we will find three types of components, each with a different task and proportion:

  • Abrasives (20-40%). They are insoluble solid particles that cause abrasion and remove debris and stains.
  • Binders (2%). They give consistency and shape to toothpaste.
  • Moisturizers (20-40%). They prevent water loss and prevent hardening of the product when exposed to air.

Therefore, baking soda is often found in commercial toothpastes as an abrasive element, along with others such as calcium carbonate, silica, aluminium oxide or calcium pyrophosphate. But how abrasive is baking soda? There are those who think that too much to use as a single element (mixed with water) in tooth brushing. However, its abrasiveness index (RDA, Relative Dentin Abrasivity) is 7 out of 100, a really low value when compared to other oral hygiene products that we can find in pharmacies and supermarkets.

Brushing your teeth with baking soda does not pose a high risk of abrasiveness for enamel, at least as an isolated factor. We must take into account that there are other factors that influence the abrasiveness of the brushing, such as the technique, the time we spend, the pressure that we apply, etc.

This low GDR value of bicarbonate makes it inefficient for teeth whitening.

In addition, according to reliable research, baking soda can create an alkaline environment in the mouth to prevent bacteria from breeding.

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We are looking for relevant research as far as possible, although some experiments have proved that:

However, it is still not clear that baking soda is good for whitening teeth-it can help you reduce some plaque and yellow stains at most-and is not very effective.

Don’t lose heart, at least baking soda is a reliable oral sterilization helper and helps you remove some plaque.


Risk of baking soda whitening teeth

Lemon juice is another star ingredient on the Internet. In many cases, we can find it combined with bicarbonate as a magic formula to whiten teeth and brush teeth.

In this case, our teeth are at great risk of damage.

Lemon is a highly acidic food, which will weaken our enamel and protect it from any abrasive ingredients, such as bicarbonate. If your teeth are ground by a toothbrush in an acidic environment, the consequences will be very serious.

But even in this case, this dangerous homemade formula can only remove external stains on teeth. In other words, stains caused by habits, such as tobacco or certain foods (coffee, wine, red fruits, tea, etc.), will not be removed by your family therapy.


Apart from risks, is baking soda good for teeth?

Have I dispelled your enthusiasm? Don’t worry, even so, baking soda is widely used in toothpaste and family therapy for a reason.

Although baking soda in your toothpaste can’t help whiten your teeth, it still has its benefits:

Maintain a healthy oral pH value

PH value plays an important role in our mouth. The lower the pH value (acidic), the greater the risk of dental caries in the oral cavity, and the demineralization of enamel occurs at a pH value of 5.5 or less.

We do not realize that our job is to create a community of oral microorganisms. It is beneficial to probiotics that maintain optimal pH value. The use of baking soda helps maintain a more alkaline and healthy oral pH value.

Reduce harmful microorganisms

Many studies have shown that baking soda actually helps to reduce the number of harmful microorganisms in the oral cavity, so it is an effective support to reduce periodontal pathogens.

When we think of baking soda as a salt, it makes sense.


Considering the above information, baking soda will support our oral health. As long as it is used according to certain standards, it will certainly help us remove dental plaque, but it is important not to abuse it at any time.

Baking soda is not an artifact for whitening teeth-although you see it in many family therapies. Current scientific research can only prove that it can maintain a healthy oral environment.

The important thing is to keep calm when you see some attractive tooth whitening treatments online. Tooth whitening is a gradual process. If there is a way to quickly whiten your teeth, it may be a trap.

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Hello, I am a website editor. I've edited more than 10 websites in the last five years. My hobbies are health, life and website technology. For me, writing an article is part of my life. All articles on the page are based on scientific confirmation, not individual speculation, and more source comments will be added in the future. Thank you for reading!

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