From an ER I spent time at 8 years ago, a kid came in with a gunshot to the cheek.
He also did it himself. He said it was a 22 and he thought it would hurt as much as a piercing.
The point-blank muzzle pressures from the revolver blew out a 1 inch slice of skin.
The bullet knocked the top off of 2 teeth.
The bullet then shredded his tongue.
Instead of travelling through the other cheek, it went out of his mouth and lodged into his girlfriend who was sitting next to him.