Question

Rishi went to a dentist who used a mouth prop to keep Rishi’s mouth wide open during the dental procedure. Afterwards, Rishi asked the dentist that “Why can we only move our lower jaw and not the upper jaw? What would happen if we cannot move our lower jaw?” If you were the dentist, what will you explain to Rishi?

Answer 1

Answer:

upper jaw is immmovable joint. lower law is movable joint.