Definition : The 20 teeth of the first dentition, which are shed and replaced by the permanent
teeth, usually by the age of six years. All deciduous teeth are normally expected
to erupt by the age of two and a half years. [MeSH];
The 20 teeth of the first dentition, which are shed and replaced by the permanent
teeth, usually by the age of six years. All deciduous teeth are normally expected
to erupt by the age of two and a half years. [MeSH]