Persistent Small Lip Wound: Causes and Healing Insights - Dentistry

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The skin has healed for a while, but the wound is still present. However, the wound is very small?


Hello, Doctor! A while ago, I bit a large hole in my lower lip.
The wound has been painless for about two weeks now, and there is no pain at all! However, the wound is still there.
It's quite small and smooth, but it appears to have a slight indentation (very subtle).
The wound is really small, but it is still noticeable! I'm afraid to bite it again, and it's been quite bothersome for over a month now! The wound is still present.
I recently visited a dentist who examined it and said that the wound is actually very small and healing quickly.
He mentioned that my immune system might be low these days and advised me to supplement with B vitamins.
I would like to ask why this is happening, as I have never experienced this before.
Thank you, Doctor! (The wound is still there.)

Xiao Niang, 20~29 year old female. Ask Date: 2017/10/23

Dr. Zeng Guanghui reply Dentistry


If the lip ulcer has been healing over time but a small wound still persists, it is advisable to check for any sharp edges or misaligned teeth that may be causing repeated friction on the mucosa of the lower lip.
It is recommended to consult a dentist for further evaluation and treatment.

Reply Date: 2017/10/23

More Info


When dealing with a persistent small wound on the lip, such as the one you described, it’s essential to understand the healing process and potential factors that could affect recovery. The fact that your wound has been present for over a month, despite being small and not painful, raises some important considerations.

First, it’s important to recognize that the healing of wounds can vary significantly based on several factors, including the location of the wound, the individual's overall health, and any underlying conditions. In your case, the wound on your lip may be taking longer to heal due to the constant movement and exposure to moisture in the oral area. The lips are highly vascularized, which typically aids in healing, but they also experience frequent movement and contact with saliva, which can complicate the healing process.

You mentioned that a dentist evaluated the wound and indicated that it is small and healing well. This is a positive sign, as it suggests that there is no immediate cause for concern regarding infection or other complications. However, the fact that the wound has not completely healed after a month could be attributed to several factors:
1. Infection: Even small wounds can become infected, which can delay healing. Signs of infection include increased redness, swelling, warmth, or discharge. If you notice any of these symptoms, it would be prudent to seek medical attention.

2. Nutritional Deficiencies: You mentioned that your dentist suggested increasing your intake of B vitamins. Nutritional status plays a crucial role in wound healing. Deficiencies in certain vitamins and minerals, such as vitamin C, zinc, and B vitamins, can impair the body’s ability to heal wounds effectively. Ensuring a balanced diet rich in these nutrients can support the healing process.

3. Underlying Health Conditions: Conditions such as diabetes or autoimmune disorders can affect healing. If you have any underlying health issues, it might be beneficial to discuss them with your healthcare provider to ensure they are not impacting your wound healing.

4. Wound Care: Proper wound care is essential for healing. Keeping the area clean and protected can prevent irritation and promote healing. Avoiding further trauma to the area, such as biting or picking at the wound, is crucial.

5. Time: Sometimes, wounds can take longer to heal than expected, especially if they are in a location that is frequently used or exposed to irritants. Patience is often necessary, but if the wound does not show signs of improvement or if you have concerns, it is advisable to follow up with a healthcare provider.

In summary, while it is encouraging that your wound is not painful and has been assessed by a dentist, it is essential to monitor it for any signs of infection or complications. Maintaining a healthy diet, practicing good wound care, and avoiding further trauma to the area are all important steps in promoting healing. If the wound does not improve or if you have any concerns, consider consulting a healthcare professional for further evaluation and management.

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