Is it OK to chew gum for a long time?

First of all, most chewing gum is sweetened with sucrose.

When chewing gum, the sugar will stay in the mouth for a long time, and the cariogenic bacteria in the mouth will use sucrose to produce acidic substances, which will corrode the teeth, causing the teeth to decalcify, thus inducing tooth decay. The Journal of the American Dental Association recommends that people choose a new type of chewing gum that replaces sucrose with xylitol, because xylitol has the same taste and nutritional value as sucrose, but it does not ferment to produce acid and does not damage teeth. At the same time, chewing can increase the secretion of saliva and reduce the acidity of saliva, so it also helps to prevent tooth decay.

Secondly, it is advisable for people who have had a tooth filling with mercury-containing material not to chew gum.

A study by Swiss scientists found that regular chewing gum can damage the substances used in the mouth for fillings, so that the amalgam in it is released, causing excessive levels of mercury in blood and urine, which can cause harm to the brain, central nervous system and kidneys.

Also, chewing gum is not good for children.

Because children have poor self-control, chewing gum in their mouths all day long may be swallowed or accidentally entered into the trachea, which is life-threatening. In addition, chewing gum for a long time will keep the chewing muscles in a tense state, which may develop the habit of grinding teeth in sleep, which will affect the quality of your child's sleep. Someone once joked that the habit of grinding teeth while sleeping in the United States "all originated from chewing gum."

Doctors recommend that chewing gum should not be more than 15 minutes, and people with stomach problems should not chew too much gum, because chewing gum for a long time will reflexively secrete a large amount of stomach acid. Especially in the fasting state, not only will symptoms such as nausea, loss of appetite, and acid reflux occur, but in the long run, it may also lead to diseases such as stomach ulcers and gastritis.

It doesn't hurt you to chew for so long? I've heard that chewing gum can relieve stress and exercise facial muscles, but it's not something to chew, at least change a slice every two hours!

You can exercise your facial muscles, but it will make your face grow bigger. And it's best not to take more than an hour. Do not chew Green Arrow, which has carcinogens.

Chewing too much gum doesn't hurt except that it doesn't taste good, but it has a lot of benefits.

If you're going to participate in something like Harry and the blonde beauty in his chocolate factory, go for it, and maybe win something like that...

30 seconds. The researchers asked the volunteers to chew gum for different periods of time and then used an electron microscope to examine the gum they spit out.

The results of the experiment showed that chewing a piece of gum could remove 10% of the bacteria in the saliva, and the effect of chewing for the first 30 seconds was the strongest, and then gradually weakened, and as time increased, the absorbed bacteria in the gum were released back into the mouth.