Noah Sinclair
A broken nail can be a painful and uncomfortable experience. Nails grow at a rate of about one-tenth of an inch per month and can take 3-6 months to completely regrow. Toenails grow more slowly than fingernails, with the former taking about a year to grow back. Nails are produced by the nail matrix cells in the whitish, moon-shaped area (lunula) at the base of the nail. If the nail matrix is damaged, the growing nail may have defects, and in severe cases, some parts of the nail may not grow back.
| Characteristics | Values |
|---|---|
| Time taken for a broken nail to grow back | 4-6 months for fingernails, 12 months for toenails |
| Time taken for the nail bed to heal | 7-10 days |
| Nail growth rate | 0.13 inches per month |
| Factors that affect nail growth | Illnesses, injuries, medications, skin conditions, diseases, peripheral artery disease |
| Ways to fix a broken nail | Smoothing with a nail file, nail glue, trimming, clipping, and filing |
| Ways to prevent nail damage | Keeping nails short, wearing well-fitting shoes, limiting time going barefoot, avoiding dangerous situations |
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What You'll Learn
- Fingernails take 4-6 months to grow back, while toenails take 12 months
- Nails grow at a rate of 0.13 inches per month
- A detached nail will not reattach but a new nail will regrow
- A nail matrix injury can cause nail fall and slow regrowth
- A nail procedure called trephination can help relieve pain and aid regrowth
Fingernails take 4-6 months to grow back, while toenails take 12 months
Fingernails and toenails can be injured by a blow to the nail or by closing the finger or toe in a door or drawer. This can result in blood under the nail, known as a subungual hematoma. Nails can also be accidentally torn or split, or a splinter can get under the nail. Toenails are particularly susceptible to repeated trauma caused by ill-fitting shoes, which can lead to deformities.
If a nail is injured, the first concern is damage to the surrounding structures. If there is significant damage, a visit to a physician may be necessary. If there are any signs of infection, swelling, increasing pain, or pus, medical attention is required. In some cases, bleeding between the nail and the nail bed may indicate a subungual hematoma, and a physician should evaluate the injury.
If the nail cannot be reattached, a physician may replace it with a special material to protect the nail bed as it heals. Antibiotics may be prescribed to prevent infection, and pain relievers can be taken to manage pain and reduce swelling. It is important to keep the injured area clean and protected with a dressing.
Fingernails grow at a rate of about one-tenth of an inch per month and typically take 4-6 months to completely regrow. Toenails grow more slowly and can take up to 12 months to grow back. During this time, the new nail may have grooves, ridges, or misshapen areas. The nail matrix, the area responsible for nail growth, must be intact for the nail to regrow properly. Minor damage to the nail matrix may result in minor defects in the nail, while more severe damage can lead to permanent deformities. Keeping nails short and wearing well-fitting shoes can help prevent nail injuries and reduce the risk of nail damage.
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Nails grow at a rate of 0.13 inches per month
Fingernails grow at a rate of 0.13 inches per month, or a little more than one-tenth of an inch per month. It takes between 3 and 6 months for a fingernail to completely regrow, and a toenail can take up to 12 months. Nails are produced by the nail matrix cells in the whitish, moon-shaped area (lunula) at the base of the nail.
If a nail is damaged, it is important to check for damage to the nail matrix and nail bed, as permanent damage to these areas may result in permanent deformity of the nail or prevent the nail from regrowing. If there is no permanent damage to these areas, the nail should regrow normally. In the case of minor damage to the nail matrix, minor defects in the nail will appear as the nail grows.
If a nail has been torn or detached, it is important to take precautions to prevent infection and tend to any damage to the surrounding areas. Any unattached remnants of the nail should be removed, and the nail bed should be cleaned with a soapy washcloth and water. Sharp ends should be filed down, and the area should be covered with a clean bandage and dressed with petroleum jelly or neomycin ointment. Antibiotics may be prescribed to prevent infection.
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A detached nail will not reattach but a new nail will regrow
Fingernails and toenails are made of protein and fat and are not live tissue. Nails grow at a rate of about 3.47 millimetres per month or 0.13 inches per month, requiring 3 to 6 months to completely regrow. Toenails grow more slowly, usually close to half the rate of fingernails, taking up to 18 months to grow back fully. Nails are produced by the nail matrix cells that reside in the moon-shaped whitish area at the base of the nail.
A detached nail will not reattach once it has been removed from the nail bed. The nail matrix is the root of the nail and is constantly making new cells. These new cells force the old ones to become packed together and get pushed through the matrix. If the nail matrix is not damaged, the nail is typically capable of regrowth.
If the whole nail is detached from the nail bed, there is nothing that can be done to repair, reattach, or replace it. If there is any damage to adjacent tissues, the nail bed, the nail matrix, or the proximal nail fold that could result in scarring, this should be assessed by a physician and repaired if appropriate. If a portion of the nail is still adherent to the nail bed, it can be left intact. The non-adhering portion of the nail should be removed.
If the nail bed and nail matrix are not damaged, the nail should regrow normally. Minor damage will produce minor defects in the nail. More significant defects can result in a permanently deformed nail. Damage and scarring of the nail bed can produce whitish changes in the nail. This is most likely due to a lifting of the nail plate away from the nail bed.
To prevent infection, it is important to trim the nail, file any sharp edges, and keep the nail smooth. Applying a thin layer of petroleum jelly and covering the area with a non-stick bandage can also help.
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A nail matrix injury can cause nail fall and slow regrowth
Fingernails typically take about two months to regrow completely, while toenails can take up to four months. Nails grow at a rate of 0.1 mm per day, translating to about 0.13 inches or a little over one-tenth of an inch per month. The growth rate is faster in younger individuals and faster in the fingers than in the toes.
The nail matrix, the "factory" where new nails are formed, is located under the base of the nail. It consists of two parts: the germinal matrix, which is responsible for 90% of nail growth, and the sterile matrix. The lunula, the white crescent shape at the base of the nail, is the only visible part of the nail matrix.
Injuries to the nail matrix can cause nail fall and slow regrowth. A severe injury can cause the nail to fall off, and in cases of severe nail matrix damage, the nail may not grow back at all or may have permanent deformities. Nail matrix injuries can result from pinching or crushing the finger or dropping something heavy on the toe. Symptoms of such injuries include bruising, ridges, or discolouration.
If the nail matrix heals normally, any deformities will eventually disappear as the nail regrows. Proper treatment of nail injuries is essential to ensure good healing and prevent late deformities. In most cases, with the right treatment, healthy nails will grow back, even if the nail falls off. However, it is crucial to protect the injured finger or toe during physical activity, as the nail matrix is vulnerable to further damage.
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A nail procedure called trephination can help relieve pain and aid regrowth
Nails typically grow at a rate of about one-tenth of an inch per month, and it takes about 3-6 months for a fingernail to fully regrow. Toenails grow more slowly and can take up to a year to grow back. If a nail is damaged or torn, it is important to ensure that the nail matrix and nail bed are not damaged, as this can result in permanent deformities in the nail. In most cases, a damaged nail will eventually regrow and appear completely normal.
A nail procedure called trephination can aid in relieving pain and promoting regrowth in certain cases of nail damage. Trephination involves creating a small hole in the hard part of the nail plate to drain blood from underneath the nail (subungual hematoma). This procedure is typically recommended when there is a significant build-up of blood under the nail, causing pain and pressure. The hole can be made using a needle, an electrocautery device, or a heated paper clip. While the procedure is generally safe and effective, it should only be performed by a healthcare provider to avoid the risk of infection or further damage.
Trephination is often performed as an outpatient procedure and can provide immediate relief from pain and pressure. It is important to note that trephination may not be effective if the injury is older than a couple of days, as the blood under the nail may have already clotted. In such cases, other treatments, such as nail removal and nail bed repair, may be considered.
After trephination, it is normal for blood to continue draining from the hole in the nail for up to 36 hours. During this time, it is important to keep the area clean and dry to prevent infection. The healthcare provider will also provide instructions on how to care for the nail and when to seek medical attention if any signs of infection develop.
Overall, trephination is a safe and effective procedure that can help relieve pain and pressure caused by a subungual hematoma. By draining the trapped blood, trephination can aid in the healing process and promote nail regrowth while reducing discomfort.
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Frequently asked questions
A broken fingernail takes about 4 to 6 months to grow back. Fingernails grow at a rate of 0.13 inches per month.
A broken toenail takes about 12 months to grow back. Toenails grow more slowly than fingernails.
Yes, certain factors can influence nail growth. For example, maintaining a well-rounded diet and good general health can help promote strong nails and faster growth. On the other hand, certain illnesses, such as COVID-19 or pneumonia, can interrupt nail growth. Additionally, skin conditions like severe eczema or psoriasis may also temporarily hinder nail growth.
