Car bubble gum

The tissue of the upper and lower jaws that surrounds the base of the teeth. Also called gingiva. Enlarge.
Bubble gum flavor is created with artificial flavors called esters, which replicate the smell of fruits. So the flavor is a vague combination of strawberry, banana, cherry, and, depending on the brand, generic berry, pineapple, or even cinnamon flavors.

Chewing gum is not always bad for you. However, constant chewing may lead to jaw problems, like TMJ disorder. Also, the sugar content in chewing gum can contribute to tooth decay and even gum disease.
Chewing gum could help protect your teeth and reduce bad breath. Chewing sugar-free gum could help protect your teeth from cavities. It's better for your teeth than regular, sugar-sweetened gum. This is because sugar feeds the “bad” bacteria in your mouth, which can damage your teeth.
Can I chew gum while fasting?
Does Chewing Gum Break Your Fast? Chewing gum with sugar can break your fast. But sugar-free gum has very few calories, so it doesn't much affect insulin levels and you can usually chew it while fasting. Some stricter forms of fasting may still prohibit any calories, including sugar-free gum.