After eating fruit, brushing teeth will cause tooth decay

We all know that the best time to brush your teeth is within three minutes after you finish eating, so many people follow this, but experts have warned that you cannot brush your teeth after eating fruit. Why is that?

This is because after eating fruit, there will be a large amount of saliva secretion in the mouth, causing food degradation, and this process is relatively relatively acidic bacteria will be relatively active, resulting in a one-time tooth mineral surface shedding. If you brush your teeth this time, it will lead to the loss of minerals. Brushing your teeth at this time can also cause the teeth to be particularly sensitive and degenerate.

Especially acidic citrus fruits, they can soften enamel. Although the enamel will harden after 30 minutes, if you brush your teeth immediately after drinking orange juice, some enamel will be brushed off and the risk of tooth erosion will be greatly increased.

In addition, dried fruits such as raisins do harm to the teeth because of its high sugar content and its high viscosity. American dental experts said: "A small piece of dried fruit sticks to the teeth for a longer time and can cause tooth decay."

After eating fruit 5~10 minutes brush your teeth best

So, when is it better to brush your teeth? Some people choose to wait for several hours after eating the food until they go to bed before brushing their teeth.

In general, about 5 to 10 minutes after eating is the best time to brush your teeth. Because at this time, it is impossible to allow the food to remain and give the teeth a mineralized process, so that brushing the teeth will not cause the mine to fall off.

Oral bacteria are particularly interested in sugar

In addition, do not eat again after brushing your teeth. When sleeping, saliva secretion is particularly viscous and the oral flora is abundant. In this bacteriostatic environment, saliva is not well diluted, which means that at this time it is a period of bacterial growth, and the bacteria damages the teeth particularly.

Especially for sweets, oral bacteria have a special “hobby” for sweet foods. Many foods, including fruits, contain the sugars that the oral bacteria like. Therefore, before sleeping, they also try to reduce the intake of sweet foods.

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