Dentition facts for kids
Dentition is the development of teeth and where the teeth are in the mouth. Almost all mammals have up to four different types of teeth: incisors, canines, premolars, and molars. Animals that have different types of teeth are called "heterodont". If they do not, they are called "homodont".
In mammals, the young have a set of primary teeth (milk teeth) that fall out after a few years. When they fall out, adult teeth grow in. Animals that have milk teeth and adult teeth are called diphyodont.
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Dentition Facts for Kids. Kiddle Encyclopedia.