Function:
It helps in holding lower jaw and teeth. So it helps in chewing the food. It also helps in talking.
Diseases:
Cleft chin also called as butt chin or dimple in chin, is a developmental disease of chin in which the two bones do not fuse together. Double chin may be as an effect of genetics or it may be because of aging, loose skin. Excess weight or excess body fat may also give rise to double chin.
Interesting facts:
Normally women with pointed and triangular chin and male’s with broad shaped chin are signs of good genes.
