Do mice brux for the same reasons as rats do?

Question

When I was holding our mice today, they were both sitting happilly in my hands. I suddenly noticed they were both grinding their teeth. Our rats normally do this when they're happy or excited. Is this the same with mice, or were they simply conditioning their teeth?

Answer 1

Rats and mice teeth never stop growing they need to grind them down on something.

Answer 2

yea i think so

Answer 3

they are grinding their teeth down because their teeth never stop growing give them some dog biskets