Severe Tooth Pain: Causes and Treatment Options - Dentistry

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Severe tooth pain?


Hello, recently I have been experiencing intermittent severe pain in my upper right premolar that lasts for a long time (it feels like nerve pain).
It also hurts when touched.
This tooth had a deep cavity that was filled previously.
Initially, after the filling, I only experienced sensitivity and discomfort when drinking cold water, but the severe pain started several months later.
A few days ago, I had a follow-up appointment and an X-ray was taken.
The dentist said that the X-ray did not show any further decay.
However, why is it so painful? I am currently wearing braces; if I do not show this to my primary dentist, will other dentists be able to help with this issue?

Jing, 20~29 year old female. Ask Date: 2016/02/05

Dr. Zhang Xiangyuan reply Dentistry


Dear online user, based on your description, it seems that your upper right premolar has been filled due to decay, and you are recently experiencing episodes of severe pain in that tooth.
It is advisable to consult a dentist for an examination and evaluation of the tooth to determine if there are any abnormalities and whether additional treatment is necessary.
If the pain persists, you may also want to have the treating dentist assess whether further root canal treatment is needed.
Thank you for your inquiry.

Reply Date: 2016/02/05

More Info


Severe tooth pain, especially when it feels like nerve pain, can be a distressing experience. In your case, the pain in your upper right premolar, which has a history of deep cavities and previous fillings, suggests that there may be underlying issues that need to be addressed.
Tooth pain can arise from various causes, including dental caries (cavities), pulpitis (inflammation of the dental pulp), periodontal disease, or even issues related to the surrounding structures, such as the jawbone or gums. Given that your dentist has already performed an X-ray and found no new cavities, it is essential to consider other possibilities.

1. Pulpitis: Since you mentioned that the filling was deep, it is possible that the dental pulp (the innermost part of the tooth containing nerves and blood vessels) is inflamed. This condition, known as pulpitis, can lead to severe pain, especially when the tooth is stimulated by hot, cold, or pressure. If the inflammation is significant, it may require root canal therapy to alleviate the pain and save the tooth.

2. Referred Pain: Sometimes, pain in one tooth can be referred from another area. For instance, issues with adjacent teeth or even jaw problems (like temporomandibular joint disorders) can manifest as pain in the tooth. It’s worth discussing with your dentist whether any other teeth or jaw issues could be contributing to your discomfort.

3. Periodontal Issues: If there is inflammation or infection in the gums surrounding the tooth, it can also cause pain. Periodontal disease can lead to the loss of supporting structures of the teeth, which can be painful and may require treatment.

4. Sensitivity: After a filling, it is not uncommon for teeth to be sensitive for a period. However, if the sensitivity escalates to severe pain, it may indicate that the filling is too high, causing an improper bite, or that there is an underlying issue that needs to be addressed.

5. Dental Anxiety and Pain Perception: Sometimes, anxiety about dental procedures can heighten the perception of pain. If you are feeling anxious about your dental health, it might be beneficial to discuss this with your dentist.

Regarding your question about whether other dentists can help if your primary dentist is not available, the answer is yes. Other dentists can certainly evaluate your situation and provide treatment options. However, it is crucial to inform them about your dental history, including the fact that you wear braces and any previous treatments you have had. This information will help them make informed decisions about your care.

In summary, if you are experiencing severe tooth pain, it is essential to seek further evaluation. You may need to consider the following steps:
- Consult with your dentist: Discuss your symptoms in detail, including the nature of the pain and any triggers. If necessary, ask for a referral to a specialist, such as an endodontist, who specializes in root canal treatments.


- Consider a second opinion: If you feel that your concerns are not being adequately addressed, seeking a second opinion from another dental professional can provide you with additional insights and treatment options.

- Monitor your symptoms: Keep track of when the pain occurs, its intensity, and any other symptoms. This information can be valuable for your dentist in diagnosing the issue.

In conclusion, severe tooth pain can stem from various causes, and it is crucial to address it promptly to prevent further complications. Don't hesitate to seek help from dental professionals, as they can provide the necessary care and treatment to alleviate your pain and restore your dental health.

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