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Dental Don’ts: Drinking Soda and Tooth Decay

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Drinking soda is a common habit for many people around the world. It’s refreshing, fizzy, and comes in a variety of flavors. However, while soda may be enjoyable to drink, it can have detrimental effects on our dental health. The high sugar content and acidity of soda can lead to tooth decay and other oral health problems. In this article, we will explore the relationship between drinking soda and tooth decay, and discuss some important dental don’ts when it comes to consuming soda.

The Sugar Content of Soda

One of the main reasons why soda is harmful to our teeth is its high sugar content. Most sodas contain a significant amount of added sugars, which can contribute to tooth decay. When we consume sugary foods and drinks, the bacteria in our mouths feed on the sugars and produce acids as a byproduct. These acids can erode the enamel, the protective outer layer of our teeth, leading to cavities and tooth decay.

According to the American Heart Association, the recommended daily limit for added sugars is 25 grams for women and 36 grams for men. However, a single can of soda can contain up to 40 grams of sugar or more. This means that drinking just one can of soda can easily exceed our daily sugar intake, putting our dental health at risk.

The Acidity of Soda

In addition to its high sugar content, soda is also highly acidic. The acidity of soda can further contribute to tooth decay by eroding the enamel. Acidic drinks can soften the enamel, making it more susceptible to damage from brushing or chewing. Over time, this can lead to tooth sensitivity, cavities, and even tooth loss.

A study published in the Journal of Oral Rehabilitation found that the pH levels of various sodas ranged from 2.5 to 4.0, which is highly acidic. To put this into perspective, the pH scale ranges from 0 to 14, with 0 being the most acidic and 14 being the most alkaline. The pH of our saliva is around 7.0, which is neutral. When we consume acidic drinks like soda, it can lower the pH level in our mouths, creating an acidic environment that promotes the growth of harmful bacteria and increases the risk of tooth decay.

The Impact of Soda on Dental Health

Drinking soda regularly can have a significant impact on our dental health. Here are some of the ways soda can harm our teeth:

  • Tooth decay: The combination of sugar and acidity in soda can lead to the formation of cavities and tooth decay.
  • Erosion of enamel: The high acidity of soda can erode the enamel, making our teeth more vulnerable to damage.
  • Tooth sensitivity: The erosion of enamel can also lead to tooth sensitivity, causing discomfort or pain when consuming hot, cold, or sweet foods and drinks.
  • Staining: Dark-colored sodas, such as cola, can stain our teeth over time, leading to a dull and discolored smile.
  • Bad breath: The combination of sugar and acidity in soda can create an environment that promotes the growth of bacteria, leading to bad breath.

Dental Don’ts: Tips for Reducing Soda Consumption

While it may be challenging to completely eliminate soda from our diets, there are several dental don’ts that can help reduce our consumption and minimize the negative effects on our dental health:

  • Avoid drinking soda before bed: Consuming soda before bed can increase the risk of tooth decay, as the sugars and acids have more time to attack our teeth while we sleep. Instead, opt for water or other sugar-free beverages.
  • Use a straw: When drinking soda, using a straw can help minimize the contact between the soda and our teeth, reducing the risk of enamel erosion and tooth decay.
  • Rinse with water: After consuming soda, rinse your mouth with water to help wash away any remaining sugars and acids. This can help neutralize the pH level in your mouth and reduce the risk of tooth decay.
  • Limit consumption: Try to limit your consumption of soda to special occasions or as an occasional treat. Opt for healthier alternatives like water, herbal tea, or infused water for your day-to-day hydration needs.
  • Practice good oral hygiene: Brush your teeth at least twice a day with fluoride toothpaste and floss daily to remove plaque and prevent tooth decay. Regular dental check-ups and cleanings are also essential for maintaining good oral health.


While soda may be a popular beverage choice for many, it’s important to be aware of its negative effects on our dental health. The high sugar content and acidity of soda can contribute to tooth decay, erosion of enamel, tooth sensitivity, staining, and bad breath. By reducing our consumption of soda and following the dental don’ts mentioned above, we can protect our teeth and maintain good oral health. Remember, moderation is key, and making healthier beverage choices can go a long way in preserving our dental health.

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