Chewing gum can have a positive effect on dental hygiene, especially when you do not have the opportunity to brush your teeth after a meal. Chewing gum relaxes the chewing muscles but you should not keep it in your mouth for more than 20 minutes.
The sugary version is a disaster for the teeth and the oral cavity, just like candy. Certain compounds in the treat will destroy the bacteria present in the intestine, thus depleting the microbiota. The sugars and sweeteners present in chewing gum “are part of FODMAPs, poorly digested sugars”