Deciduous tooth


noun, plural: deciduous teeth

Any from the first set of teeth in many young mammals and humans that are shed and replaced by a second set of permanent teeth.


This first set of teeth develops during the embryonic phase. 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: Latin dēciduus (tending to fall, falling).


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

Please contribute to this project, if you have more information about this term feel free to edit this page

This page was last modified on 8 June 2009, at 10:58. This page has been accessed 2,331 times. 
What links here | Related changes | Permanent link