Baking Soda as Toothpaste and for Whitening: Pros, Cons, How-to (2024)

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Brushing your teeth with baking soda can help reduce plaque and whiten teeth, among other benefits. But there are downsides, including the fact that it doesn’t contain fluoride.

Baking Soda as Toothpaste and for Whitening: Pros, Cons, How-to (1)Share on Pinterest

Baking soda, or sodium bicarbonate, is a fine, white powder with almost innumerable household uses. Known mainly as a leavening agent, baking soda can do a lot more than make bread rise.

One of its most popular uses is as a teeth cleaner and whitener. But is it as safe and effective as regular toothpaste?

Here’s a look at the benefits and limitations of using baking soda on your teeth, and how to use it safely to remove plaque and oral bacteria.

Yes, it does work. While baking soda can’t protect your teeth from cavities as effectively as a fluoride toothpaste can, it’s still considered a good cleaning agent for your teeth.

Toothpastes containing baking soda have been shown to have antibacterial properties, which can help protect your teeth from decay.

Here’s what we know about the benefits and drawbacks of using baking soda as part of your dental hygiene regimen.

Reduces plaque and gingivitis

Biofilms are colonies of bacteria that attach to the surface of your teeth and eventually cause problems like gingivitis and cavities. Plaque is one example of a dental biofilm.

When you brush, grains of baking soda disrupt that biofilm, reducing the bacteria count and helping to prevent damage to your teeth and gums.

May reduce bacteria

Some harmful bacteria need more acidic conditions to thrive in your mouth.

A 2017 study showed that when you rinse your mouth with a baking soda and water solution, the pH in your mouth increases, making it less acidic. As a result, using baking soda as a toothpaste may make it harder for cavity-causing bacteria to multiply in your mouth.

Whitens teeth

Baking soda has natural whitening properties and has been shown to be effective at removing stains on your teeth and whitening your smile. That’s why it’s a popular ingredient in many commercial toothpastes.

Numerous studies have shown that baking soda is a mild abrasive that has the ability to remove stains from the outside of your teeth.

Is a fluoride-free option

Too much fluoride can be toxic, especially to children under 6 years old. However, it’s important to note that fluoride toxicity is rare, and the risks are only a concern when a very large amount of fluoride is consumed.

Fluoride toxicity can cause pain, vomiting, diarrhea, kidney, and heart problems. For that reason, many people prefer a toothpaste, like baking soda, that’s free of fluoride and the risks of toxicity.

Is inexpensive

At roughly 52 cents an ounce, baking soda is affordable and readily available in nearly every drugstore, grocery store, and big-box retailer.

Unappealing taste and texture

For many users, the biggest downside of brushing with straight baking soda or a baking soda paste is that it doesn’t taste very good. Baking soda’s texture may also make you feel as though you have sand in your mouth — no one’s favorite sensation.

If you want the benefits of baking soda but with a better texture, you could try one of the many commercial toothpastes that list baking soda as an ingredient.

If the texture of natural baking soda doesn’t bother you but the salty taste does, you could add 1 or 2 drops of peppermint oil to the baking soda paste to enhance the taste.

Less dramatic whitening

Baking soda is a mild abrasive. While the American Dental Association (ADA) considers baking soda safe for your enamel and dentin, some researchers have given it a low rating as a teeth whitener because it may not remove stains as effectively as some other products.

If baking soda doesn’t work well for you as a teeth whitener, you may want to consider products that contain hydrogen peroxide or microbead abrasives.

Lack of fluoride

Toothpastes approved by the ADA contain fluoride to prevent dental cavities.

Although fluoride is a natural element abundant in water and air and present in our bones and teeth, additional fluoride in toothpaste provides an extra shield against tooth decay.

Using baking soda as your only toothpaste doesn’t give you the topical fluoride that’s present in many commercial toothpastes. As a result, using baking soda alone may not give you the cavity protection you need.

To brush your teeth with baking soda, you’ll need the following:

  • a toothbrush
  • a small bowl or shot glass
  • baking soda
  • water

Instructions

  1. First, mix equal parts baking soda and water in a small bowl until you’ve created a paste.
  2. Dip your toothbrush into the soda mix and brush in gentle circles, making sure you cover each tooth thoroughly with the paste.
  3. Keep brushing for around a minute.
  4. When you’re done, spit out the baking soda and rinse your mouth until your teeth are grit-free and shiny.

Some people recommend adding lemon juice or apple cider vinegar to the mix to increase the whitening power of the baking soda, but these blends may not be a good idea.

The acidity of lemon juice and vinegar may damage the surface of your teeth and leave you vulnerable to cavities.

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If you want the best of both worlds — the polishing power of baking soda and the minty flavor of toothpaste — there are plenty of commercial toothpastes available with baking soda as an ingredient.

Multiple studies show that these toothpastes are better at removing plaque than toothpastes that don’t contain baking soda.

Shop for baking soda whitening toothpastes online.

Products containing hydrogen peroxide whiten your teeth by oxidizing yellow and brown stains on the surface of your teeth. The strongest peroxide products are used in dentist offices, as certain steps need to be taken to protect your tongue and gums from the corrosive effects of the hydrogen peroxide.

Gentler products are available over the counter, but they may take several uses before you see a difference. Here’s a list of the ADA-approved products for whitening your teeth at home.

There’s some evidence that natural remedies like coconut oil, lemon peel, and activated charcoal may be effective teeth whiteners. However, it’s important to talk to your dentist to be sure these treatments are safe for your teeth.

Shop for teeth bleaching products online.

Baking soda is an inexpensive, readily available teeth cleanser. As a mild abrasive, it can lighten some tooth stains, and it can help scrub away dental plaque. However, because it doesn’t contain fluoride, it’s not as effective at preventing cavities as your typical fluoride toothpaste.

Although some people find the salty taste and sandy texture of baking soda unappealing, its availability, pH balance, and mildly abrasive properties make it a good choice for people who want to avoid using a toothpaste that contains fluoride or use it with a toothpaste that has fluoride.

Baking Soda as Toothpaste and for Whitening: Pros, Cons, How-to (2024)

FAQs

Is it safe to use baking soda and toothpaste to whiten teeth? ›

Baking soda can be used with some water to remove the stains on the surface of the teeth. It can also be used with hydrogen peroxide to enhance its whitening effects. Baking soda can be used by individuals with regular toothpastes too. It is also used commercially in some teeth whitening products and toothpastes.

What are the pros and cons of using baking soda to whiten teeth? ›

The bottom line. Baking soda is an inexpensive, readily available teeth cleanser. As a mild abrasive, it can lighten some tooth stains, and it can help scrub away dental plaque. However, because it doesn't contain fluoride, it's not as effective at preventing cavities as your typical fluoride toothpaste.

What are the disadvantages of baking soda toothpaste? ›

The abrasive texture can also irritate the gums. The alkaline chemical makeup can disrupt the delicate pH balance in your mouth. It is best to avoid toothpaste products containing baking soda as the ingredient is not necessary for clean, healthy teeth.

What are the side effects of brushing your teeth with baking soda? ›

It is slightly abrasive and if used repeatedly over time it can weaken tooth enamel, making your teeth more sensitive and vulnerable to dental cavities. Baking soda on its own does not kill the bacteria in the mouth that cause cavities and tooth decay.

How many days does it take to whiten teeth with baking soda? ›

Baking soda can be used in several ways for tooth whitening: Use it as an enamel cleaning agent by mixing it with water and brushing it on your teeth for 30 seconds before rinsing it with warm water. Repeat this process twice per day for two weeks until you see results.

How often should you use baking soda to whiten teeth? ›

Remember, you shouldn't whiten your teeth more than two times per week, whether you're adding hydrogen peroxide, baking soda or both. For everyday use, try a whitening toothpaste that has baking soda already built-in and may also have fluoride to help prevent cavities and strengthen your teeth.

Why do dentist not recommend baking soda? ›

Baking soda toothpaste is a safe and effective way to clean and whiten teeth. However, brushing with baking soda alone is not approved by the ADA because baking soda lacks fluoride, an essential cavity-fighting ingredient. An alternative is to purchase a commercial toothpaste that includes baking soda and fluoride.

Do dentists recommend baking soda? ›

How often is it OK to use baking soda to brush teeth? The Journal of the American Dental Association states that baking soda is safe for daily use. It is a good idea to only use baking soda to brush the teeth once per day. Use a good fluoride toothpaste to brush teeth the rest of the time.

How to whiten teeth without damaging enamel? ›

Brush with baking soda and hydrogen peroxide paste:

Baking soda has teeth whitening properties; that's why it's prevalent in toothpaste commercials. It helps in rubbing off stains from the tooth surface due to its mildly abrasive nature. Hydrogen peroxide, on the other hand, is a natural bleaching agent.

How to whiten yellow teeth naturally? ›

The following strategies may help whiten teeth:
  1. Making dietary changes. Eliminating foods that mark the teeth can prevent further staining. ...
  2. Trying oil pulling. ...
  3. Brushing with baking soda. ...
  4. Using hydrogen peroxide. ...
  5. Whitening with fruit. ...
  6. Chewing high fiber foods.

Is arm and hammer baking soda good for teeth? ›

Neutralize Plaque Acids More Effectively

Without proper care, plaque acids can weaken and erode your enamel. Baking soda balances the pH in your mouth to work against plaque acids. ARM & HAMMER™ Toothpastes are powered by the most effective levels of baking soda*.

Is Arm and Hammer baking soda toothpaste safe for teeth? ›

ARM & HAMMER™ brand toothpastes sometimes feels gritty. Will they hurt my teeth? The grittiness is most likely the feel of the baking soda before it quickly dissolves in your mouth. Rest assured that ARM & HAMMER™ products are low in abrasion and will not harm your teeth.

Can yellow teeth become white? ›

2. Can yellow teeth be bleached? Yellow teeth can be completely whitened with teeth whitening technologies at the dentist or at home. Depending on the status of your yellow teeth as well as your needs, the doctor will advise and prescribe the appropriate method.

Does hydrogen peroxide whiten teeth? ›

Hydrogen peroxide is an inexpensive household product you probably have on hand right now. When used carefully, it can be an effective way to whiten your teeth. But if used incorrectly — in concentrations that are too high or if used too often — it can cause serious and sometimes expensive tooth damage.

What toothpaste is best for whitening teeth? ›

Best Overall: Crest 3D White Brilliance 2 Step Toothpaste, $13. Best Mineral Toothpaste: RiseWell Mineral Toothpaste, $18. Best for Sensitive Teeth: Sensodyne Pronamel Gentle Teeth Whitening Toothpaste, $17.

Can you brush your teeth with baking soda and toothpaste everyday? ›

How often is it OK to use baking soda to brush teeth? The Journal of the American Dental Association states that baking soda is safe for daily use. It is a good idea to only use baking soda to brush the teeth once per day. Use a good fluoride toothpaste to brush teeth the rest of the time.

How often should you brush with baking soda toothpaste? ›

It cannot be used every day. At most a family dentist would recommend using it twice a week. Since there are toothpastes available which contain baking soda, seeking out one of these products is a compromise which allows teeth to get the benefits of sodium bicarbonate daily.

Does toothpaste baking soda and hydrogen peroxide whiten teeth? ›

Baking soda is abrasive and helps remove stains from the surface of your teeth which makes them appear whiter. However, baking soda does not help remove the old stains. Therefore mixing it with hydrogen peroxide helps whiten your teeth. The mixture forms a paste which stays on your teeth while brushing them.

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