Do I Need a Root Canal for My Tooth Pain After a Cavity? - Dentistry

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About Toothache


I have a tooth with a cavity that previously caused pain when eating.
It later broke a corner, and I didn't feel pain for a while, but recently, I've started to feel pain again when eating.
I went to see a doctor, who suggested a root canal treatment, but I was scared, so I only temporarily filled it.
The filling has mostly come out, and now when I eat, I feel pain at a certain spot.
If my tongue touches that spot, it also hurts, but I usually don't feel pain otherwise.
I tried biting down to observe, and the hole from the broken corner doesn't hurt, but there's a little pain next to the tooth.
I would like to know if I definitely need a root canal in this situation.

Ms. Wu, 20~29 year old female. Ask Date: 2016/11/18

Dr. Huang Tingfang reply Dentistry


Dear Ms.
Wu,
Hello! If the cavity is too large and causes pain when biting, a root canal treatment is necessary to preserve the tooth.
Please communicate more with your dentist.
Thank you! Wishing you well!
Sincerely,
Dr.
Huang Ting-Fang, Dentistry

Reply Date: 2016/11/18

More Info


When it comes to tooth pain, especially after experiencing a cavity and subsequent damage, it’s essential to understand the underlying issues that may necessitate a root canal treatment. Based on your description, it seems like you have a cavity that has progressed to the point where your tooth has fractured, and now you're experiencing pain when eating or even when your tongue touches the area. This situation can be quite concerning, and it’s understandable to feel apprehensive about the prospect of undergoing a root canal.

A root canal is typically recommended when the pulp of the tooth, which contains nerves and blood vessels, becomes inflamed or infected. This can happen due to deep cavities, cracks, or trauma to the tooth. The symptoms you describe—pain when biting or touching the tooth, especially in a specific area—could indicate that the pulp is affected. Even if the pain is intermittent and not constant, it can still suggest that the tooth is in distress.

The fact that you initially felt pain when eating, followed by a period of relief after the tooth fractured, only to have pain return, suggests that the tooth may not be healing properly. The temporary filling you received may not be sufficient to protect the tooth from further damage or infection. If the pain persists, it could mean that the decay has reached the pulp, leading to inflammation or infection, which would require a root canal to resolve.

It’s important to note that delaying treatment can lead to more severe complications, including abscess formation, which can cause significant pain and may require more extensive treatment, including extraction. If the tooth is salvageable, a root canal can help preserve it and alleviate pain by removing the infected pulp and sealing the tooth.

In your case, since you’ve already experienced pain and have a history of a cavity and a fracture, it would be wise to reconsider the recommendation for a root canal. While it’s natural to feel fear or anxiety about dental procedures, addressing the issue sooner rather than later can prevent further complications and more painful experiences down the line.

Here are some steps you can take to manage your situation:
1. Consult Your Dentist Again: Schedule an appointment with your dentist to discuss your ongoing pain and the possibility of a root canal. Be open about your fears, and ask them to explain the procedure in detail to help alleviate your concerns.

2. Pain Management: In the meantime, over-the-counter pain relievers like ibuprofen or acetaminophen can help manage discomfort. However, this is only a temporary solution, and it’s crucial to address the underlying issue.

3. Avoid Hard Foods: Until you can get a definitive treatment plan, try to avoid hard or chewy foods that could exacerbate the pain or cause further damage to the tooth.

4. Consider a Second Opinion: If you’re still unsure about the necessity of a root canal, seeking a second opinion from another dentist or an endodontist (a specialist in root canal treatments) can provide you with more clarity and options.

5. Discuss Alternatives: If you are particularly anxious about the procedure, discuss sedation options with your dentist. Many dental offices offer sedation dentistry to help patients feel more comfortable during treatments.

In conclusion, while it may be tempting to avoid a root canal, especially if you’re feeling some relief, the symptoms you’re experiencing suggest that it may be necessary to prevent further complications. Addressing the issue promptly with your dentist will help ensure the best outcome for your dental health.

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