Function:
It enables to move your mouth. It holds teeth, and is used for biting and chewing food, talking. It is the only bone in human body that moves.
Diseases:
Jaw may get affected with damage to the nerves and develop conditions like facial palsy, trigeminal neuralgia or jaw joint may get affected. These are the common causes of jaw problems.
Interesting facts:
The human jaw muscles can generate a force of 200pounds that is 90.8kg on the molar teeth. Sensitive people may suffer from locked jaw by sudden bad news.