Can a Lemon and Baking Soda Combination Make Your Tooth Brilliantly White?

Hyderabad: A Facebook post promoting a natural teeth whitening solution has gone viral.

The viral post recommends: “Dip a cotton ball in the lemon juice and baking soda solution and apply it to your teeth. Leave the lemon and baking soda solution on your teeth for about a minute. Brush your teeth to remove the acid. Do this once a week until desired results are achieved.”

They’re super-effective, it adds.

It is natural for a person’s teeth to whiten less as they age. Many people turn to home remedies to get rid of yellow teeth. Some of these home remedies with natural ingredients can do more harm than living with yellow teeth.

Let’s find out the truth.

fact check

We found a study comparing commercial dentifrices with 20-65% baking soda and commercial dentifrices without baking soda to improve the effectiveness of toothbrush removal in removing plaque.

There was a noticeable effect in removing plaque from teeth in less than 24 hours.

The study found that baking soda dentifrices “improved the effectiveness of plaque removal during tooth brushing to a significantly greater extent than non-baking soda dentifrices.”

Another study examined the influence of various soft drinks such as Coca-Cola, Sprite, apple juice, Red Bull, orange juice and lemon juice, etc. on tooth erosion. Of all the beverages tested, lemon juice was found to have statistically significantly higher erosivity than all other beverages except Sprite and apple juice.

Also, baking soda has a pH of around 9, which means it’s alkaline. Lemon juice has a pH of around 2, which means it’s very acidic. According to Healthline, there’s no evidence that baking soda completely neutralizes the acidity of lemon juice. “It’s also very hard to know if you have the right acid-to-base ratio when you’re making your own paste at home. Given the risk of permanently damaging your tooth enamel, it’s best to leave the lemons in the kitchen,” she said.

It goes on to say that while not many studies have been conducted on using baking soda and lemon juice together, there are several studies that look at the cosmetic benefits of baking soda and lemon juice individually. “These studies, combined with information on the pH of baking soda and lemon juice, suggest that each of these ingredients may have benefits on their own. However, you might want to think twice before combining them,” it added.

It is obvious that baking soda and lemon are not reliable home remedies for teeth whitening.

Hence the claim is false.

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