All people have two sets of teeth. The primary dentition, (sometimes called "baby teeth" or deciduous teeth) consists of 20 teeth that are eventually lost or.
A child's mouth contains 20 initial teeth, called primary teeth, baby teeth, The adult mouth contains 32 permanent teeth, consisting of the.
Permanent teeth or adult teeth are the second set of teeth formed in diphyodont mammals. This phenomenon is called hyperdontia and is often erroneously referred to as "a third set of teeth." These teeth may erupt into the mouth or remain.