Summary of Closure of frontanelle : human skull of children

Summary of Closure of frontanelle
In humans, the sequence of fontanelle closure is as follows
The posterior fontanelle generally closes 2 to 3 months after birth;
The sphenoidal fontanelle is the next to close around 6 months after birth
The mastoid fontanelle closes next from 6 to 18 months after birth; and
The anterior fontanelle is generally the last to close between 12 to 18 months.