Why do humans grow two sets of teeth? These marsupials are rewriting the story of dental evolution
- Written by: Qamariya Nasrullah, Postdoctoral Research Associate in Evolutionary Morphology, Monash University
Hossein Anv / Unsplash
You only get 52 teeth in your lifetime: 20 baby teeth, followed by 32 adult teeth.
It’s not like that for all animals. Some, like rodents, never replace their teeth. Others, like sharks, keep replacing them again and again.
Read more: Yes, baby teeth fall out. But they're still important — here's how to...
