The numbness in the chin has not subsided after tooth extraction!
Hello Dr.
Liu: I had my wisdom teeth extracted yesterday.
During the first injection of anesthesia, my lips didn't feel numb, so they continued to administer more anesthesia until my lips were numb.
After returning home, the numbness in my chin has not subsided...
and even now, I still have no sensation in my left chin.
I also don't have much pain after the extraction.
I would like to ask the doctor if the anesthesia was administered in excess, or if the local anesthesia's side effects are causing facial nerve numbness! What should I do?? Thank you!
tivl, 20~29 year old female. Ask Date: 2004/07/01
Dr. Liu Tiancai reply Dentistry
Hello: The persistent tingling sensation in the lips after tooth extraction is usually due to injury to the inferior alveolar nerve (not the facial nerve).
The inferior alveolar nerve runs along the mandible and primarily provides sensation to one side of the lower lip and gums.
This nerve is located close to the wisdom teeth at the angle of the mandible, and in some individuals, it may even be in direct contact with the wisdom teeth.
There are several reasons for the injury, such as the needle accidentally puncturing the nerve during the administration of local anesthesia (patients often report a brief electric shock sensation) or the proximity of the inferior alveolar nerve to the wisdom tooth causing pressure on the nerve during extraction.
Recovery from nerve injury can take a considerable amount of time; most patients will recover within 12 weeks, but it may take up to 12 months in some cases.
Generally, there is a possibility of recovery within six months, while the chances of recovery after six months diminish significantly.
Aside from waiting, there are no other effective methods to aid in nerve recovery.
Sincerely, Dr.
Chen Yi-Chou, Department of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare.
Reply Date: 2004/07/01
More Info
After wisdom tooth extraction, experiencing persistent numbness in the chin can be concerning, and it's essential to understand the potential causes and appropriate actions to take.
Firstly, it's important to note that during the extraction of wisdom teeth, especially those that are impacted or located near the lower jaw, there is a risk of affecting the inferior alveolar nerve. This nerve runs through the lower jaw and provides sensation to the lower lip, chin, and teeth. If this nerve is irritated or injured during the procedure, it can lead to numbness or tingling sensations in the chin and lower lip.
In your case, the numbness in your left chin after the extraction could be due to several factors:
1. Nerve Irritation or Injury: This is the most common reason for numbness following wisdom tooth extraction. If the nerve was touched or slightly damaged during the procedure, it may take some time for sensation to return. In many cases, this numbness is temporary and can resolve within a few days to weeks.
2. Local Anesthetic Effects: The numbness you are experiencing could also be a result of the local anesthetic used during the procedure. Sometimes, the anesthetic can take longer to wear off, especially if a larger volume was injected or if the anesthetic was administered in a way that affected the nerve more significantly.
3. Overdose of Anesthetic: While it is less common, an overdose of local anesthetic can lead to prolonged numbness. However, this is usually accompanied by other symptoms such as dizziness or unusual sensations elsewhere in the body. If you did not experience these symptoms, it is less likely to be the cause.
4. Infection or Inflammation: In some cases, if there is an infection or significant inflammation at the extraction site, it can also lead to changes in sensation.
What to Do Next:
1. Monitor Symptoms: Keep track of your symptoms. If the numbness persists beyond a few days or worsens, it is crucial to follow up with your dentist or oral surgeon. They may want to evaluate the extraction site and assess for any complications.
2. Avoid Irritation: Try to avoid any activities that might irritate the area, such as vigorous rinsing or using straws, as these can increase the risk of dry socket or other complications.
3. Pain Management: If you experience any discomfort, over-the-counter pain relievers like ibuprofen or acetaminophen can help manage pain. However, since you mentioned you are not experiencing significant pain, this may not be necessary.
4. Follow-Up Appointment: Schedule a follow-up appointment with your dentist or oral surgeon. They can perform a clinical examination to assess the healing process and determine if further intervention is necessary.
5. Patience: In many cases, numbness will resolve on its own as the nerve heals. It is essential to be patient, as nerve regeneration can take time.
In conclusion, while persistent numbness in the chin after wisdom tooth extraction can be alarming, it is often a temporary condition related to nerve irritation or the effects of local anesthesia. Monitoring your symptoms and maintaining communication with your dental care provider is key to ensuring proper healing and addressing any concerns that may arise. If you notice any worsening of symptoms or new symptoms, do not hesitate to seek professional advice.
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