The molars.
The homophone for "crushes or grinds with the teeth" is "gnashes."
The molars. (At the back and the incisors and canines tear and cut.)
molers
When it grinds it teeth it means that it is happy
Your teeth probably crush your food because you have to be able to swallow it.
Yes the gizzard diggests the food / crushes it
Newborns usally do not have teeth.
grinds the food into smaller bits
No. Except for dividing some foods in their beaks, they swallow their food as is. It grinds up in their gizzard.
Its teeth are too long. Give it something else to wear its teeth down.
It grinds, chops, and blends foods.
The teeth which crush food are called molars; the teeth which cut food are the incisors.