Chewing gum is good for refreshing breath and relieving stress, so it is popular all over the world. It is even reported that chewing gum has the advantages of enhancing memory, helping to concentrate and helping to quit smoking. Although chewing gum has many benefits, how to choose and chew it is also learned.

First, try to choose sugar-free or xylitol chewing gum.

Cariogenic bacteria in the oral cavity can use sucrose to produce acidic substances, which in turn corrode teeth. Xylitol can't be used by cariogenic bacteria and can't provide nutrition for bacteria. At the same time, xylitol is helpful to early dental caries and can play a role in natural restoration, so it can prevent dental caries. The higher the xylitol content in chewing gum, the better the caries prevention effect. Sticking to chewing gum with xylitol content above 50% of sugar can reduce the incidence of dental caries by 85%.

Second, choose chewing gum after meals and snacks.

After eating sugary foods and drinks, the acidity of dental plaque in the mouth increases. Chewing sugar-free or xylitol chewing gum at this time can stimulate saliva secretion, neutralize acidic substances and contribute to tooth remineralization.

Third, don't chew gum for too long.

Chewing gum for a long time, the masticatory muscles are always in a state of tension, and it is possible to develop the habit of grinding teeth at night. In addition, if teenagers chew gum during their physical development, it may cause excessive movement of masseter muscles, stimulate the muscle and bone development of mandibular angle, and finally present a "square Chinese face" in appearance, which will affect women's face shape. So every time you chew gum, you should control it within a quarter of an hour.