Chewing gum can make your breath fresh and social. However, medical experts do not advocate too much, too long chewing gum, because this may affect the health of the body.
First of all, many chewing gums use sucrose as a sweetener. When chewing, the sugar will stay in the mouth for a long time, which will help the cariogenic bacteria in the oral cavity to produce acidic substances and induce dental caries. The Journal of the American Dental Association recommends that people choose new chewing gums that use xylitol instead of sucrose. Because xylitol has the same taste and nutritional value as sucrose, it does not ferment to produce acid and does not damage the teeth.
Second, people who use a mercury-containing material to make up their teeth are better off not chewing gum. Swiss scientists found that chewing gum often damages the material used to fill the teeth in the oral cavity, releasing the amalgam from it, causing excessive levels of mercury in the blood and urine, and causing damage to the brain, central nervous system and kidneys.
Again, chewing gum is not good for children. Children's self-control ability is poor, and chewing gum may cause swallowing or mistakenly enter the trachea and endanger life. In addition, chewing gum for a long time, masticatory muscles are always in a state of tension, may cause bad habits of sleeping teeth, affecting the quality of sleep.
Experts suggest that chewing gum should not exceed 15 minutes. Gastric patients should not chewing gum too much. Because chewing gum is chewed for a long time, a large amount of gastric acid is reflexively secreted. Especially in the fasting state, not only nausea, loss of appetite, acid reflux, etc., but also chronic aggravation of stomach problems may occur.
Chewing gum can promote the secretion of saliva in the human oral cavity, and "dilute" the residual acid in the human oral cavity after eating the food through saliva. Acid is the main "culprit" that destroys people's teeth and causes tooth decay. However, the saliva produced by chewing gum can only "dilute" the acid in the oral cavity and has a limited protective effect on the teeth; moreover, the chewing gum cannot completely remove the bacteria in the oral cavity. It is therefore not advisable to chew sugarless chewing gum instead of brushing teeth.
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