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Second tooth

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Definition

noun, plural: second teeth

Any of the second and final set of teeth that replaces the deciduous teeth of mammals and humans.


Supplement

In adult humans, there are 32 permanent teeth consisting of:

The second set of teeth begins to emerge between 5 and 7 years of age. The teeth have all or fully emerged between 17 and 23 years of age, when the wisdom teeth appear.


Synonyms:

Compare: deciduous tooth
See also: permanent dentition