Dealing with Tooth Pain After Cavity Treatment: What to Do? - Dentistry

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Hello, Doctor.
My tooth had a deep cavity before, but it has been filled.
However, a few weeks after the filling, I sometimes experience a slight pain when eating or drinking.
I later consulted a dentist who mentioned that the cavity was very deep, and that my symptoms might indicate that it is close to the nerve.
They suggested that I might need a crown.
However, since I only feel pain occasionally and not all the time, I would like to know if I really need a crown.
Also, if the decay has already affected the nerve, what should I do? Is getting a crown the only option? How can I improve this situation? Thank you for your response.

A~, 10~19 year old female. Ask Date: 2002/04/16

Dr. Wu Jinjun reply Dentistry


Hello, the advice given to you by your previous dentist was correct.
When a tooth decays to the nerve, root canal treatment is necessary to address the inflammation and damage caused by nerve death.
After treatment, the tooth is very prone to fracturing, so placing a crown to protect the tooth is essential.
To improve your oral health, you should brush your teeth properly and use dental floss.
Maintaining good oral hygiene is the fundamental solution.

Reply Date: 2002/04/16

More Info


Dealing with tooth pain after cavity treatment can be quite distressing, especially when the pain persists even after the cavity has been filled. It sounds like you have had a deep cavity that was treated, but you are still experiencing discomfort when eating or drinking. This situation can arise for several reasons, and I will outline some potential causes and what steps you can take to address the issue.

Firstly, it is important to understand that when a cavity is deep, it can sometimes approach the dental pulp, which contains nerves and blood vessels. If the decay was very close to the nerve, even after the cavity is filled, you may experience sensitivity or pain. This is often referred to as pulpitis, which can be reversible or irreversible. If the pulp is still healthy, the pain may subside over time as the tooth heals. However, if the pulp is damaged, you may need further treatment.

If you are experiencing pain only occasionally, it may not necessarily mean that you need a crown (or "fake tooth"). However, if the pain becomes more frequent or severe, it could indicate that the nerve is affected, and you might need a root canal treatment. A root canal involves removing the damaged pulp and sealing the tooth to prevent further infection. After a root canal, a crown is often placed to protect the tooth and restore its function.

Here are some steps you can take to manage your current situation:
1. Monitor Your Symptoms: Keep track of when the pain occurs. Is it triggered by hot or cold foods? Does it happen when you bite down? This information can help your dentist determine the cause of the pain.

2. Pain Management: Over-the-counter pain relievers such as ibuprofen or acetaminophen can help alleviate discomfort. However, if the pain persists or worsens, it is essential to consult your dentist.

3. Follow-Up with Your Dentist: Since you mentioned that your dentist indicated the cavity was deep, it would be wise to return for a follow-up appointment. They may want to take X-rays to assess the condition of the tooth and the surrounding bone. This can help determine if there is any infection or if the pulp is affected.

4. Consider a Second Opinion: If you feel uncertain about your current dentist's assessment, seeking a second opinion from another dental professional, especially one who specializes in endodontics (root canal treatment), can provide additional insights.

5. Discuss Treatment Options: If it is determined that the nerve is affected, your dentist will discuss treatment options with you. If a root canal is necessary, they will explain the procedure and the need for a crown afterward to protect the tooth.

6. Preventive Care: Maintain good oral hygiene by brushing twice a day and flossing daily. Regular dental check-ups can help catch any issues early before they become more serious.

In conclusion, while occasional pain after a deep cavity treatment can be normal, persistent or worsening pain should not be ignored. It is crucial to communicate openly with your dentist about your symptoms and concerns. They can provide the best advice tailored to your specific situation, ensuring that you receive the appropriate care to alleviate your discomfort and maintain your dental health.

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