Chapter 1 | Page 27
I mean, Fiorella's reasoning isn't so far-fetched. Sharks only have "baby" teeth, and they grow again and again and again. Apparently, crocodiles keep their original set of teeth for life. There's birds and fish with teeth, and big mammals without.
People can be truly passionate about teeth... or maybe it's one of those things that only fascinates you as a kid, then you forget, and when you grow up you get it back, bigger and stronger... and you become a dentist... you know how it is with teeth.