Deciduous teeth

The first set of 20 teeth that appear during infancy and are lost during childhood and early adolescence as the adult (permanent) teeth erupt. Also known as milk teeth, first teeth.

The temporary teeth that appear before the permanent teeth.

The first teeth of the young. These teeth are replaced by permanent teeth as the individual matures.

The first teeth to appear in the mouth of an infant, usually at the age of about 6 months. Sometimes called baby or primary teeth, deciduous teeth are so named because they shed or fall out at the end of a growth period, much like a tree that annually sheds its leaves. Deciduous teeth typically shed between the ages of 4 and 12 years to make room for the 32 permanent teeth. There are normally 20 deciduous teeth.

The initial set of teeth, also known as primary, baby, or milk teeth, which naturally shed and are subsequently replaced by permanent teeth.