Why do we have baby teeth?

Teeth and Consequences. Baleen whales have baleen instead of teeth. Yet they have tooth buds as embryos, even though they do not form into teeth. Dolphins and other toothed whales have teeth that are all the same and only have one set of teeth. Hard Wear. Some mammals are particularly hard on their teeth. read more

Formally known as deciduous mandibular central incisors, baby teeth play a rather crucial role for dental health throughout a lifetime. There are only about 20 baby teeth (or primary teeth) that erupt in children who range in age from 6 months old to 2 years old, and they will begin falling out when the adult teeth begin growing in. read more