![]() Health problems that can cause onycholysis include: If onycholysis cannot be explained by one of the more usual causes listed above, it may be one of the first symptoms of something more serious going on inside the body. If a person’s nails are detaching from the nail bed, it may be because of an underlying medical condition. reaction to chemicals, such as nail polish, nail polish remover, or household cleaners.Injuries such as slamming a finger in a car door or stubbing a toe may also cause onycholysis. Simply tapping nails repeatedly for a long time can cause the nail to separate from the skin. A person may experience an injury or repetitive trauma. The cause of a person’s onycholysis varies widely. Image credit: Alborz Fallah, (2013, August 3) Originally published on Live Science.Share on Pinterest Onycholysis may not always have an obvious cause. 17 issue of the journal Physical Biology.įollow Live Science Facebook & Google+. That doesn't mean that your horse needs a manicurist, but it does suggest that it is possible to trim hooves in ways that help more than current methods do.Ī paper outlining the research appeared in the Oct. "Right now, it's possible to mitigate the problem for the animals, but not to cure it." "It causes the animals a lot of pain," and it's very costly to agriculture, Rauch said. Learning how to manage those forces is important for farmers, because hoofed farm animals can become lame from abnormal hoof growth. Horses' and cows' hooves are made of the same material as fingernails, and the forces that act on them are similar. That may be because there's generally more growth happening in the nails for both of those groups, he said.īut the research has an objective besides helping people fix or prevent ingrown toenails, and it has to do with agriculture. Rauch noted that pregnant women and children tend to get ingrown toenails more often than other groups of people. That method seems to cause the force on one part of the nail and bed to balance the forces from the other parts, they added. The best option seems to be to cut the nail in a parabolic shape, such as an oval, or to cut the edge so that it is slightly curved, rather than straight across at the end of the nail, the researchers said. But the faster- and slower-growing parts of the nail will keep growing at the same rates, so the change in the shape might get the nail to grow correctly - or it might not. When you cut off the end of the nail, depending on the shape of the cut, you change the nail's shape. So, why is it not always helpful to cut the ingrowing edge of the nail? Because cutting doesn't always rebalance the forces acting on the nail. ![]() In other words, because the edge of this toenail tends to be straighter, the rate of growth in a big toe needed to push the edge of the nail into the skin doesn't need to change as much as it does for other nails. By being flattened, these will generate stress in the transverse direction," he said. These forces are also the reason that the big toe seems especially prone to ingrown nails, Rauch said. Themedical name for the condition is onychocryptosis. That's creating the stresses," Rauch told Live Science.Įventually, this stress causes the far edge of the nail to poke down into the skin alongside the nail, leading to an ingrown nail, the researchers found. "The distal part - that's the separation between the white and pink part - has a curved shape. This means the rates of growth in the different parts of the nail are slightly different - the center grows a bit slower than the edges do. Because fingernails are naturally curved, the outer edges are shorter than the center. In addition, the shape of the nail plays a role in making it ingrown.
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