Dealing with Tooth Sensitivity After Dental Filling: What to Do?

Dental restoration

Doctor, I recently visited the dentist, and they said I had a small cavity that needed to be treated.
They filled it, but I still feel pain after the procedure.
The dentist said this is normal.
However, when I eat, a specific spot on my tooth hurts a lot, making it difficult to eat.
It's been several days, and I didn't have this pain before the treatment.
Should I go back to that dentist and tell them where it hurts? Could the filling make it worse? What would be the best way to handle this situation?

Ms. Chen, 10~19 year old female. Ask Date: 2016/03/01

Dr. Zeng Guanghui reply Dentistry

If the symptoms persist for several days, it indicates that the dental nerve may be inflamed, and a follow-up visit to the dentist may be necessary to evaluate whether root canal treatment is required.

Reply Date: 2016/03/01

More Info

Tooth sensitivity after a dental filling can be a common concern, and it’s important to understand the underlying reasons for this discomfort and how to manage it effectively. When a dentist performs a filling, they remove decayed tissue from the tooth and then fill the cavity with a material to restore its function and shape. However, some patients may experience sensitivity following the procedure, which can be attributed to several factors.

Firstly, it’s essential to recognize that some degree of sensitivity is normal after a filling, especially if the decay was deep or close to the nerve of the tooth. The process of drilling and cleaning the cavity can irritate the nerve endings within the tooth, leading to temporary discomfort. This sensitivity often manifests as pain when consuming hot, cold, or sweet foods and can last for a few days to a couple of weeks. If the sensitivity persists beyond this timeframe, it may indicate a more serious issue.

If you are experiencing significant pain at a specific point on the tooth after the filling, it is advisable to return to your dentist and inform them of your symptoms. They can assess the filling to ensure that it was placed correctly and that there are no complications, such as an incomplete seal or high spots on the filling that may be causing discomfort when biting down. Sometimes, if the filling is too high, it can create pressure on the tooth when you bite, leading to pain. Your dentist can adjust the filling to alleviate this issue.

In some cases, if the tooth was significantly damaged or if the decay was very deep, the nerve may become inflamed or even infected, leading to a condition known as pulpitis. This condition can cause prolonged sensitivity and pain, and it may require further treatment, such as root canal therapy, if the nerve is severely affected. If your dentist suspects this, they may recommend an X-ray to evaluate the health of the tooth and surrounding structures.

To manage sensitivity at home, consider the following tips:
1. Use Desensitizing Toothpaste: These products contain compounds that help block the transmission of sensation from the tooth surface to the nerve. Regular use can help reduce sensitivity over time.

2. Avoid Extreme Temperatures: Try to avoid very hot or cold foods and beverages until the sensitivity subsides. This can help prevent discomfort while eating.

3. Practice Gentle Oral Hygiene: Use a soft-bristled toothbrush and avoid aggressive brushing techniques, as this can further irritate sensitive teeth.

4. Over-the-Counter Pain Relief: If the pain is significant, over-the-counter pain relievers such as ibuprofen or acetaminophen can help manage discomfort temporarily.

5. Follow-Up with Your Dentist: If the sensitivity does not improve or worsens, it’s crucial to follow up with your dentist. They can provide additional treatments or interventions as necessary.

In summary, while some sensitivity after a dental filling is normal, persistent or severe pain should not be ignored. It’s essential to communicate openly with your dentist about your symptoms, as they can help determine the cause and provide appropriate solutions. Regular dental check-ups and good oral hygiene practices are also key to maintaining dental health and preventing future issues.

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