Dens deciduus

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Latin for deciduous tooth.


This first set of teeth develops during the embryonic stage. In humans, these teeth begin to erupt during infancy, usually between 6 to 12 months of age. A total of twenty deciduous teeth erupt in the mouth. The primary set of teeth is comprised of:

These teeth eventually fall off and are replaced by permanent teeth, typically, by age of six.

Word origin: In Latin, decidere means to fall off or be shed.


Compare: permanent tooth

See also: primary dentition, natal tooth, neonatal tooth