Tooth Sensitivity: Causes and Treatment Options - Dentistry

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The teeth are starting to feel sore and numb one by one?


In the past month, I started experiencing pain and numbness in my left lower canine, which led to a root canal treatment (it was confirmed that there was necrosis inside).
There was no cavity, and the tooth surface appeared very healthy; the dentist also mentioned that there were no cracks on the surface.
Essentially, I have never had cavities since childhood.
After reflecting carefully on the situation, I realized that I had bitten down on wooden chopsticks about six months ago.
The force at that time was likely significant, and I probably bit down on more than one tooth.
Now, while the root canal for the canine is halfway done, my right lower central incisor (the third tooth next to the canine) has also started to feel gradually painful and numb.
I can only speculate that biting the chopsticks must have affected several teeth, leading to the current situation.

1.
Have you encountered similar cases where multiple teeth were affected after biting down on chopsticks, resulting in necrosis?
2.
In cases where the lower canine or lower incisors are structurally sound and not due to cavities, is there an absolute need for crowns or immediate crowns?
3.
I apologize for the general nature of this question, but do I have a risk of other teeth also experiencing necrosis?

Zhang, 20~29 year old female. Ask Date: 2022/09/05

Dr. Lin Jiayong reply Dentistry


Hello: Injuries from falls and facial trauma can lead to pulp necrosis, and it is not necessarily caused by a single incident such as biting a chopstick.
It is advisable to discuss with the treating dentist whether it is possible to postpone the orthodontic treatment.
Regular check-ups are still recommended, so there is no need to worry excessively!

Reply Date: 2022/09/05

More Info


Tooth sensitivity can be a perplexing issue, especially when it arises without the obvious presence of cavities or visible damage. In your case, it seems that the sensitivity and pain in your lower canine tooth, which has led to the need for root canal treatment, may be linked to trauma from biting down on a wooden chopstick. This kind of trauma can indeed affect multiple teeth, even if they appear healthy on the surface.

1. Trauma and Tooth Sensitivity: It is not uncommon for trauma to one tooth to lead to issues in adjacent teeth. The force exerted when biting down on something hard can cause microfractures or damage to the pulp (the innermost part of the tooth containing nerves and blood vessels) of nearby teeth, even if they do not show visible signs of damage. This can lead to inflammation and sensitivity. In some cases, the trauma may not cause immediate symptoms, but over time, the affected tooth may begin to exhibit signs of pulp necrosis, leading to the need for root canal therapy.

2. Need for Crowns: Regarding your question about the necessity of crowns for your lower canine or adjacent teeth, it largely depends on the extent of the damage and the structural integrity of the teeth after treatment. If a tooth has undergone root canal treatment, it is often recommended to place a crown to protect the tooth from future fractures and to restore its function. The crown provides structural support and helps maintain the tooth's position in the dental arch. Even if the tooth appears healthy, the internal structure may be compromised, making it more susceptible to fractures under pressure.

3. Risk of Other Teeth Deteriorating: As for the risk of other teeth deteriorating, it is essential to monitor their condition closely. If the adjacent teeth are subjected to similar trauma or if they have underlying issues that have not yet manifested, they could also develop problems. Regular dental check-ups are crucial in this regard, as your dentist can assess the health of your teeth and recommend preventive measures. If you experience any new symptoms, such as sensitivity or pain in other teeth, it is advisable to seek dental evaluation promptly.

In summary, your situation highlights the importance of understanding the potential consequences of dental trauma. Even seemingly minor incidents can lead to significant issues over time. It is essential to maintain regular dental visits to monitor the health of your teeth, especially after experiencing trauma. Your dentist can provide tailored advice based on your specific circumstances, including whether additional treatments, such as crowns for the affected teeth, are necessary. Additionally, practicing good oral hygiene and being cautious with hard foods can help prevent further issues. If you have concerns about the health of your other teeth, discussing these with your dentist can provide peace of mind and help you take proactive steps to maintain your dental health.

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