When should I brush my teeth after drinking cola or coffee?

It is commonly known that it is good to brush your teeth within three minutes after a meal. But is the same true for cola and coffee?

If you have consumed carbonated drinks like cola or cider, it is recommended to wait 30 minutes before brushing your teeth. Carbonated beverages contain acidic solutions (pH 2-3). Due to this acidity, the pH level in the mouth becomes acidic, but it neutralizes and returns to its original level as saliva is secreted, which takes about 30 minutes.

This acidic solution is a cause of tooth decay. Cavities form when acidic substances, such as metabolic waste products, erode the surface of the teeth. Drinking carbonated beverages slightly erodes the teeth with an acidic solution, and brushing immediately afterward can cause further damage. Since zero-calorie carbonated drinks also contain acidic solutions, it is recommended to wait 30 minutes before brushing.

Since coffee has a mild acidity with a pH of 5 to 6, it is more recommended to wait about 30 minutes before brushing your teeth rather than brushing immediately after drinking. However, coffee contains a component called tannin that causes staining, and tannin needs to be removed promptly to prevent discoloration. Therefore, it is advisable to rinse your mouth with water immediately after drinking coffee and wait about 30 minutes before brushing your teeth.

<Source: Money Today>