They could: But if the nail has been bruised or otherwise injured more severely the root (matrix) that they grow from can be injured, causing the nail(s) to grow back deformed. Injury to the nail can cause secondary infection, which can also further deform/damage the new nail.
Answered 8/7/2016
5.5k views
Sometimes: Toenails often fall off because of trauma. When they grow back they are often infected with fungus. Sometimes you get lucky and they grow back normal. 25-30% chance chance.
Answered 10/2/2015
5.5k views
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