How many teeth does a child have? Humans develop teeth in two distinct phases governed by a steady biological clock. Baby teeth play an important role in a child’s development until they fall out to make way for permanent teeth.
The primary set of teeth includes twenty teeth, typically finishing their growth by the age of two to three years.
Around age six, the roots of the permanent teeth develop beneath the primary teeth and cause them to exfoliate.
The third molars, or wisdom teeth, grows between the ages of seventeen and twenty-five, completing the permanent set.
Primary teeth also serve to create space for the proper development of permanent teeth, in addition to chewing and speaking.
Baby teeth cavities can affect the permanent teeth underneath, so it's important to get early dental care.
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