Actually, "Rarely, nerves are torn, sometimes by sharp bone fragments. Nerves are more likely to be torn when the skin is torn. Torn nerves do not heal on their own and may have to be repaired surgically." this is taken from https://***.merckmanuals.com/home/injuries-and-poisoning/fractures/overview-of-fractures#:~:text=after%20the%20injury.-,Nerve%20damage,nerve%20injuries%20never%20heal%20completely.