Their deciduous teeth are fully developed at the age of 50 days.
Type 2: The pulp chamber of the deciduous teeth become completely obliterated.
When all deciduous teeth have erupted, the sheep has 20 teeth.
The deciduous teeth are also needed for proper development of a child's speech and chewing of food.
Various cultures have customs relating to the loss of deciduous teeth.
Where deciduous teeth are present, it is also possible to determine the age at which a child was weaned.
Although the pups develop deciduous teeth while still in the womb, these have already disappeared by the time they are born.
Children by the age of 2 1/2 have a total of 20 deciduous teeth with 10 in each arch.
This is caused by the new teeth not growing right underneath the deciduous teeth.
When necessary, the retained deciduous or baby teeth need to be removed surgically.