*The article was translated into English using automatic translation. The editors are working on its improvement.
The arch of the nail is the shape of the bend of the free edge from its exit to the tip, and the degree of arc of the tip (“hairline”).
*The article was translated into English using automatic translation. The editors are working on its improvement.
The arch of the nail is the shape of the bend of the free edge from its exit to the tip, and the degree of arc of the tip (“hairline”).