Assertion: hamster's incisor | /r/CapableOf | grind against each other
Facets:
Source sentences:
text: Hamsters' incisors never stop growing and they have a `self-sharpening¿ system where the incisors grind against each other while gnawing, which wears the teeth down.
text: Hamsters' incisors never stop growing and they have a ‘self-sharpening’ system where the incisors grind against each other while gnawing, which wears the teeth down; so providing them with chew-toys is essential.
text: As the incisors grind against each other, the softer dentine on the rear of the teeth wears away, leaving the sharp enamel edge shaped like the blade of a chisel.