Learn about tooth eruption from the Cleveland Clinic, with timetable charts with estimations for when primary (baby) and permanent (adult) teeth come in.
Tooth eruption. The permanent teeth. Most people have two sets of teeth during their life: a set of primary or “baby” teeth and the permanent or “adult” teeth.
Teeth vary in size, shape and their location in the jaws. Learn more about the differences with primary and permanent teeth structures.
At about the age of six years, the first permanent molar teeth erupt. These four molars (two in each jaw) emerge.