Xylitol, an anti-cavity sweetener

What is xylitol?

Xylitol is a natural sugar alcohol that helps prevent tooth decay. Compared to D-mannitol and sorbitol, which are used in sugar-free products, xylitol is the most effective in preventing tooth decay. Xylitol is comparable in sweetness and particle size to sucrose, so it can be used as a complete substitute for sucrose in all types of foods. For example, as sugar for cereals, hot beverages, and baking (unless yeast fermentation with sucrose is required).

How does xylitol prevent tooth decay?

Because xylitol cannot be used by bacteria (Streptococcus mutans) that cause tooth decay in the mouth, it can inhibit the growth of such bacteria. As the time of eating xylitol increases, the bacteria in the mouth undergo qualitative changes: there are fewer and fewer cariogenic bacteria on the surface of the tooth, so there is less and less dental plaque, and the level of acid that can erode the surface of the tooth decreases.

Studies have shown that: Streptococcus mutans can be passed from parents to newborns, and this type of bacteria grows and reproduces in children. If the mother consumes xylitol for a long time, it can significantly reduce the spread of these bacteria, thereby reducing the child's tooth decay.

How often should I use xylitol to prevent tooth decay?

Xylitol chewing gum or mint can be consumed 3 to 5 times a day, 5g intake is the best. The time and frequency of chewing gum contact with the mouth and teeth is very important. Chew for about 5 minutes to dissolve the mint. Because xylitol is slowly digested in the large intestine, it acts like dietary fiber, and large amounts of it can cause soft stools or have a laxative effect. However, the recommended amount for preventing tooth decay is much smaller than the amount that causes adverse intestinal reactions.

Has xylitol been evaluated for safety?

Xylitol has been approved as a safe food by many agencies, including the US FDA, WHO's Joint Expert Committee on Food Additives, and the European Union Food Science Committee.

As part of a healthy diet and a good home care system, xylitol has been proven to have anti-caries properties, especially for people who are transitioning from medium-risk to high-risk dental caries.