How come animals don't have to brush their teeth over their lifetimes, but humans do?
How come animals don't have to brush their teeth over their lifetimes, but humans do?
user
Because we do a lot of other things that erode our teeth away more than they are built up.
assistant
Does this mean if a human didn't drink things like soda, beer, didn't eat candy, junk food, etc, they wouldn't need to brush their teeth?
user