Baking Soda Teeth Whitening: Is This A Good Idea?

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Is baking soda teeth whitening a good idea to try? If you want a sparkling smile without breaking the bank, baking soda looks like a promising solution. This common household item can effectively whiten your teeth by removing surface stains and neutralizing acid.

Baking soda, also known as sodium bicarbonate, is a common household item that has a variety of uses. It is often used as a baking leavening agent, a surface cleaner, and a natural remedy for a variety of ailments. But did you know that baking soda can also be used to whiten your teeth naturally? This simple and low-cost solution is becoming popular as a natural alternative to professional teeth whitening and over-the-counter teeth whitening products. We’ll look at the science behind how baking soda whitens teeth, how to use it for teeth whitening, and how it compares to other teeth whitening methods in this article.

How baking soda whitens teeth

Baking soda, a mild abrasive, can be used to remove surface stains from teeth. It gently scrubs away discoloration-causing plaque and bacteria. Baking soda also has a pH of 9, making it slightly basic. A chemical reaction occurs when baking soda is combined with an acidic substance, such as water or hydrogen peroxide, which neutralises the acid. This neutralisation process helps to remove surface stains and whiten teeth

The pH level is also important to consider when using baking soda for teeth whitening. A pH of 7 or higher is classified as basic, while a pH of 7 or lower is classified as acidic. Too much acidity in a substance can erode tooth enamel, resulting in sensitivity and tooth decay. However, baking soda’s pH level is not high enough to cause significant damage to tooth enamel when used in small amounts and for short periods of time. 

While baking soda can remove surface stains and whiten teeth, it may be less effective at removing deep-set stains or discoloration caused by certain medications or medical conditions. It is always best to seek professional advice from a dentist in such cases.

Step-by-step guide on how to use baking soda to whiten teeth

If you want to whiten your teeth with baking soda, these are the fundamental steps you should take:

Mix baking soda and water

You can make a paste by combining baking soda and water. Begin with a small amount of baking soda, such as a teaspoon, and add water gradually until you have a paste. 

Some people recommend adding lemon juice and apple cider vinegar to the paste to boost its whitening power, but the stronger mixture may be too abrasive, especially if you have thin enamel or teeth prone to cavities.

Brush your teeth

Brush your teeth gently with the baking soda paste in circular motions. Brush all surfaces of your teeth, including the fronts, backs, and chewing surfaces.

Let it sit

Allow the paste to sit on your teeth for 1-2 minutes before rinsing your mouth thoroughly with water

Repeat the process once or twice a week, depending on the level of whitening desired. 

Remember that baking soda is abrasive, so don’t use it too frequently or for too long, as it can cause tooth sensitivity or enamel damage. It’s also important to brush gently and avoid using baking soda too frequently to avoid over-brushing. 

It’s also a good idea to consult with a dentist before using baking soda for teeth whitening. People who have sensitive teeth or who have recently had dental work should use baking soda with caution because it can cause irritation or damage to the teeth and gums. 

Remember that baking soda is not a substitute for proper oral hygiene and regular dental check-ups. Brushing your teeth with fluoride toothpaste, flossing, and visiting the dentist on a regular basis are all important steps in maintaining a healthy, white smile.

How baking soda compares to other teeth whitening remedies

Professional teeth whitening at the dentist, over-the-counter products, and at-home solutions such as baking soda are all options for teeth whitening.

Professional teeth whitening

In terms of effectiveness, professional teeth whitening at the dentist is widely regarded as the most effective option. Dentists use powerful bleaching agents as well as special light or laser technology to significantly whiten teeth. However, this option can be costly and may not be covered by insurance.

Whitening pastes, gels and strips

Over-the-counter whitening toothpastes, gels, and strips can also be effective in removing surface stains and brightening teeth. Although less expensive than professional teeth whitening, these products may be less effective in removing deep-set stains or discoloration caused by certain medications or medical conditions. 

Baking soda teeth whitening is a less expensive option for removing surface stains, but it may not be as effective as professional or over-the-counter teeth whitening products. The frequency with which baking soda teeth whitening is used, as well as the amount of baking soda used, influence its effectiveness. 

It is also very important to consider the risks and side effects of using baking soda on your teeth. Baking soda, as previously stated, is abrasive and, if used too frequently or for too long, can cause tooth sensitivity or enamel damage. People who have sensitive teeth or who have recently had dental work should use baking soda with caution because it can cause irritation or damage to the teeth and gums.

Hydrogen peroxide

Hydrogen peroxide is yet another potential treatment for tooth discoloration. 

Hydrogen peroxide can be used to whiten teeth. Hydrogen peroxide is a mild bleaching agent that removes surface stains while also brightening teeth. It works by dissolving the molecules responsible for surface stains caused by coffee, tea, or tobacco. When used in low concentrations, such as 3%, hydrogen peroxide is considered safe for use on teeth

However, using higher concentrations of hydrogen peroxide or using it for an extended period of time can result in tooth sensitivity, gum irritation, and even enamel damage. People who have sensitive teeth or who have recently had dental work should avoid using hydrogen peroxide without first consulting a dentist.

Final thoughts on baking soda teeth whitening

Baking soda is an easy and inexpensive way to whiten your teeth. It can remove surface stains and neutralise acid, resulting in a brighter, whiter smile. It may be less effective, however, in removing deeply embedded stains or discoloration caused by certain medications or medical conditions. 

While baking soda is relatively safe in small amounts and for short periods of time, it is important to remember that it is abrasive and, if used too frequently or for too long, can cause tooth sensitivity or enamel damage. Furthermore, people who have sensitive teeth or who have recently had dental work should use baking soda with caution because it can cause irritation or damage to the teeth and gums

It’s also important to remember that baking soda isn’t a substitute for good oral hygiene and regular dental check-ups. Brushing your teeth with fluoride toothpaste, flossing, and visiting the dentist on a regular basis are all important steps in maintaining a healthy, white smile. 

It is always best to seek professional advice before attempting any at-home teeth whitening methods to ensure that you are using the best method for your specific needs and conditions.

FAQ

How long does it take for baking soda to whiten teeth?

The amount of time it takes baking soda to whiten your teeth is determined by several factors, including the initial colour of your teeth, the type and severity of the stains, and the frequency of use. 

When using baking soda to whiten teeth once or twice a week, it may take several weeks to see noticeable results. However, some people may see results sooner, while others may not see any results at all. 

It should be noted that baking soda is not a substitute for professional teeth whitening, and it may be less effective in removing deep-set stains or discoloration caused by certain medications or medical conditions. It is always best to seek professional advice from a dentist in such cases. 

It’s also important to remember that using baking soda on a regular or extended basis can cause tooth sensitivity or enamel damage. It’s always a good idea to use baking soda sparingly and to follow the directions in the preceding sections.

Is baking soda good for teeth whitening?

Baking soda is a mild abrasive that effectively removes surface stains and neutralises acid, making it an excellent choice for teeth whitening. However, its effectiveness varies depending on the individual and the type of stain. Baking soda will remove surface stains caused by coffee, tea, or tobacco, but it will not remove deep-set stains or discoloration caused by medications or medical conditions. 

While baking soda is a relatively safe and inexpensive option for teeth whitening, it can be abrasive and may cause tooth sensitivity or enamel damage if used excessively or for an extended period of time. People who have sensitive teeth or who have recently had dental work should avoid using baking soda without first consulting a dentist. 

Note that baking soda is not a substitute for good oral hygiene and regular dental check-ups. Brushing your teeth with fluoride toothpaste, flossing, and visiting the dentist on a regular basis are all important steps in maintaining a healthy, white smile.

Is it harmful to brush teeth with baking soda?

Brushing your teeth with baking soda can help remove surface stains and whiten them, but use caution. Baking soda is a mild abrasive that can be used to scrub away plaque and bacteria that cause discoloration on surfaces. However, it can be abrasive to tooth enamel, which is the tough outer layer of the teeth. Excessive or prolonged use of baking soda can result in tooth sensitivity or enamel damage. 

Furthermore, brushing your teeth with baking soda can cause gum and mouth irritation if done too frequently or excessively. People who have sensitive teeth or who have recently had dental work should use baking soda with caution because it can cause irritation or damage to the teeth and gums. 

Does baking soda get rid of yellow teeth?

Baking soda can be used to remove surface stains and brighten teeth, giving the appearance of whiter teeth to yellow teeth. Its mild abrasive properties can remove surface stains and plaque caused by coffee, tea, tobacco, and certain foods. Its alkaline pH also helps to neutralise acid, which can erode tooth enamel, discolour teeth, and cause yellowing. 

Baking soda, on the other hand, may be less effective in removing deeply embedded stains or discoloration caused by certain medications or medical conditions. It is always best to seek professional advice from a dentist in such cases.

Dr Febin Mary George - Editor

With more than 10 years as a dental surgeon, Dr Febin Mary George is passionate about educating consumers around the world to help look after their teeth.

She completed her Bachelor of Surgery at the Century Institute of Dental Science and Research Centre in 2010.

Alongside editing the International Journal of Dental Clinics she has also written for major publications including Thrive Global.