What to Do About Persistent Tooth Pain After Dental Treatment? - Dentistry

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What should I do now?


Two months ago, I visited the doctor, and he said the cavity was very deep and that I might need a root canal.
He first removed the decayed part of the tooth and filled it to see how it goes.
After 15 days, I experienced sharp pain 1 to 2 times a day (each episode lasting about 20 seconds).
When I went back to see him, he mentioned that I might experience pain again.
However, for the past month, I've noticed some discomfort when brushing that area (but it’s not sharp pain) and it doesn’t affect my daily life.
What should I do now?

A He, 20~29 year old female. Ask Date: 2015/09/14

Dr. Zhang Xiangyuan reply Dentistry


Dear user, based on your description, it seems that the tooth with a filling is experiencing pain when brushing.
If the cavity was deep, it is not uncommon for the filled tooth to be sensitive.
I recommend monitoring the pain.
If you experience spontaneous pain that persists, or if the pain continues after exposure to hot or cold stimuli, or if you notice swelling of the gums or any other discomfort, it would be advisable to consult a dentist to determine if root canal treatment or other interventions are necessary.
Thank you for your inquiry.

Reply Date: 2015/09/14

More Info


Persistent tooth pain after dental treatment can be a frustrating and concerning experience. It’s important to understand that some discomfort following dental procedures, especially those involving deep cavities or root canal treatments, can be normal. However, if the pain is ongoing or worsening, it may indicate an underlying issue that needs to be addressed.


Understanding the Pain
1. Nature of the Pain: The pain you describe—occasional sharp pains followed by a lingering discomfort when brushing—could be due to several factors. After a dental procedure, the tooth and surrounding tissues may be inflamed or irritated. This can lead to sensitivity, especially when pressure is applied (like when brushing).

2. Possible Causes:
- Residual Infection: If the cavity was deep, there might still be some infection present that wasn't fully addressed during the initial treatment.

- Nerve Irritation: Dental procedures can sometimes irritate the nerves within the tooth, leading to sensitivity or pain.

- Incomplete Treatment: If the decay was extensive, it’s possible that the tooth may require further treatment, such as a root canal, to fully resolve the issue.


What to Do Next
1. Monitor the Pain: Keep track of when the pain occurs, its intensity, and any other symptoms (like swelling or fever). This information will be helpful for your dentist.

2. Pain Management: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help manage discomfort. However, be cautious about prolonged use and consult with a healthcare professional if you find yourself relying on pain medication frequently.

3. Dental Follow-Up: Since you mentioned that the pain does not significantly affect your daily life, it might be tempting to wait. However, if the pain persists or worsens, it’s crucial to return to your dentist for a thorough evaluation. They may need to take X-rays to check for any underlying issues, such as infection or damage to the tooth structure.

4. Oral Hygiene: Continue to maintain good oral hygiene. Brush gently around the affected area and consider using a toothpaste designed for sensitive teeth. Avoid extremely hot or cold foods and beverages, as these can exacerbate sensitivity.

5. Consider a Second Opinion: If your current dentist is unable to provide a satisfactory explanation or solution, seeking a second opinion from another dental professional can be beneficial. They may offer different insights or treatment options.


Long-Term Considerations
Persistent tooth pain can sometimes lead to more serious dental issues if left untreated. If the tooth is indeed infected or if there is nerve damage, delaying treatment could result in the need for more invasive procedures, such as a root canal or even tooth extraction.

In conclusion, while some discomfort after dental treatment can be normal, ongoing pain should not be ignored. Monitoring your symptoms, managing pain effectively, and maintaining good oral hygiene are essential steps. Most importantly, don’t hesitate to reach out to your dentist for further evaluation, as they can provide the best guidance tailored to your specific situation. Remember, addressing dental issues early can often prevent more significant problems down the line.

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