Teeth are used to chew food, this is a process called mastication. The teeth help break the food into smaller pieces, while the food is predigested by your saliva. This makes the food easier to swallow, and travel down your esophagus.
All teeth are used in physical digestion and break-down of food before swallowing.
Teeth
For the same reason as humans. Teeth are essential for the mastication (chewing) stage of digestion. Teeth can also be used as a defence mechanism for many animals.
mechanical digestion is with your teeth , chemical digestion is in your stomach and small intestine.
Teeth are involved in the mechanical digestion process. If they are not healthy they will not work properly to chew food.
Salivary Glands performs Chemical Digestion
That would be mechanical digestion.
To chew the food.
Teeth are used to chew, to cut, to tear, to grind, to help you pronounce your speech, and to bite! That can make digestion easier, so it's good for the stomach!
So they can chew (to prevent choking) and enzymes (saliva-for digestion) for digestion.
Teeth help by mechanical digestion, which is breaking the food in smaller pieces in order for the saliva to cover it and make it easier to digest.
our teeth break down food physically which is called mechanical break down