Re: DINOSAUR digest 1543

[Thanh-Hoai Ha <cockatoo@csi.com>]

> Wagner wrote:

>         Because hadrosaurs are polyphodont, this surface was continuously
> renewed in the same location on the animal, rather than requiring the
> sequential eruption of molars to provide a fresh grinding surface when the
> old one is worn out. One consequence of this is that it permits hadrosaurs
>
>
Does this mean that they *had* to keep chewing to keepp their teeth worn down,
like rodents or rabbits do with their incisors? I wonder then, if we shall ever
see a fossil where one tooth has  grown out of proportion due to its opposite
number being broken in some way?

cheers, m