ligaments.
Basically it is the outer layer of a tooth that can get broken down by grinding your teeth and chewing hard candies.
it has to much siliva in it
Peanut butter can be used to remove chewing gum from hard surfaces.
no because when you are chewing gum it is soft and easy but when you chew an apple is hard to eat.
chewing
A backer is a person who backs someone else, or something which provides backing for something else against a hard surface.
your jaw hurts from chewing hard gum
Rough surface provides lot of friction.
wiki it lol
it uses them for chewing their hard food
chewing