He was holding onto the bath (on the outside) biting the rim, and he excitedly head-butted it. He has chipped the very edges of the two front teeth He seemed totally fine after a couple of minutes crying, but we've got an emergency appt with the dentist tomorrow anyway.
I'm gutted. And on a practical note, I can feel slight roughness when I'm BFing him.
I really hope they don't recommend removing them