Baby tooth

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noun, plural: baby teeth

Any of the first teeth in many young mammals and humans.


This first set of teeth develops during the embryonic stage. These teeth are sometimes referred to as baby teeth or milk teeth since they erupt during infancy. In humans, the twenty primary teeth emerge in the mouth typically as follows:

These teeth are eventually replaced by permanent teeth by age of six.


Compare: permanent tooth
See also: primary dentition, natal tooth, neonatal tooth