first dentition


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de·cid·u·ous tooth

[TA]
a tooth of the first set of teeth, comprising 20 in all, that erupts between 6-24 months of life.

first dentition

de·cid·u·ous tooth

(dĕ-sij'ū-ŭs tūth) [TA]
Tooth of the first set of teeth, comprising 20 in all, which erupts between 6-24 months of life.
Synonym(s): dens deciduus [TA] , baby tooth, dens lacteus, first dentition, milk dentition, milk tooth, primary dentition, temporary tooth.