Managing Post-Root Canal Pain: A Guide for Dental Patients - Dentistry

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Tooth pain after root canal treatment?


Hello, my lower right first molar underwent a failed root canal treatment last year.
Today, I had a re-treatment with a microscope.
After the procedure, I experienced occlusal pain with the temporary crown.
I transferred to another dental clinic and had the crown replaced on September 25, but I occasionally still have occlusal pain.
This week, the pain has worsened even when not eating, and I am currently taking pain medication.
I also notice a foul smell coming from that tooth.
The dentist who placed the crown said it was well done and there were no issues, but he was unable to assist further and referred me to another specialist.

For my lower right second molar, I had an impression taken on September 13 due to gum inflammation, pain, and bleeding.
After the crown was placed on September 25, the pain increased, and I experienced severe diarrhea on the fifth day of taking antibiotics.
I have been using mouthwash to alleviate the pain.

Regarding my lower right third molar, I had a microscope root canal treatment and permanent filling on April 25, and the crown was placed on September 25.
The gum around this tooth feels very tight, and pressing on it causes pain.

I decided to transfer for the crown placement because the original dentist's crown caused occlusal pain, and during a previous extraction on the other side, he injured my nerve, which has made both of us hesitant to treat each other.
I had no choice but to switch clinics for the crown.

My situation is quite complex, and I would appreciate your help in assessing what I should do next.

Zhang Nüshì, 60~69 year old female. Ask Date: 2023/12/05

Dr. Lin Jiayong reply Dentistry


Hello: According to what you mentioned, the first, second, and third molars on the lower right side have undergone root canal treatment, indicating that the original condition of the teeth was likely not ideal.
Therefore, after completing the root canal treatment, it is important to confirm that the condition of the root canals has improved before considering the placement of crowns.
Additionally, since the tooth structure has been compromised, the teeth may not be able to withstand excessive occlusal forces after the crowns are placed, which could lead to discomfort or frequent gum inflammation.
If crowns have already been placed and you can tolerate mild pressure pain, it is advisable to accept the current situation.
However, if the pain is unbearable, removing the crowns could be considered as an alternative option, allowing the teeth to remain in the mouth without engaging in any occlusal function.
It is recommended to seek a final consultation at a medical center.
If the endodontics or prosthodontics department at the medical center also confirms that the root canal and prosthesis are acceptable, then it would be best to accept the current condition.

Reply Date: 2023/12/05

More Info


Managing post-root canal pain can be a challenging experience for many dental patients, especially when complications arise from previous treatments. Your situation, involving multiple teeth and ongoing discomfort, requires careful evaluation and management. Here’s a comprehensive guide to help you navigate this complex scenario.


Understanding Post-Root Canal Pain
1. Nature of Pain: After a root canal treatment, some discomfort is expected as the body heals. However, persistent or worsening pain, especially when accompanied by a foul odor, may indicate complications such as:
- Incomplete cleaning of the root canal system, leading to residual infection.

- A possible fracture in the tooth structure.

- Issues with the crown or filling, which may not be sealing properly.

2. Signs of Infection: The presence of a bad smell can be a sign of infection. This could be due to bacteria remaining in the root canal or a failure of the sealing material. If you notice this symptom, it’s crucial to address it promptly with your dentist.


Steps to Take
1. Consult Your Dentist: Given the complexity of your case, it’s essential to communicate openly with your current dentist about your symptoms. Explain the persistent pain, the odor, and any other symptoms you’re experiencing. They may recommend diagnostic imaging, such as X-rays or a cone beam CT scan, to assess the situation more thoroughly.

2. Consider a Specialist: If your current dentist is unable to provide relief or a clear diagnosis, seeking a referral to an endodontist (a specialist in root canal treatments) may be beneficial. They have advanced training and equipment, such as operating microscopes, which can help identify and treat issues that general dentists might miss.

3. Pain Management: While you are currently taking pain medication, it’s important to ensure that you are using the appropriate type and dosage. Over-the-counter pain relievers like ibuprofen or acetaminophen can help manage pain, but if these are ineffective, your dentist may prescribe stronger medications or recommend alternative therapies.

4. Addressing Gum Issues: For the second molar with gum inflammation and bleeding, maintaining good oral hygiene is crucial. Use a gentle toothbrush and consider an antibacterial mouthwash to help reduce inflammation. If the bleeding persists, this may indicate a need for further intervention, such as scaling or a deeper cleaning by a dental hygienist.

5. Follow-Up Care: After any dental procedure, follow-up appointments are vital. Ensure you attend these appointments to monitor the healing process and address any complications early on. If your symptoms worsen or new symptoms arise, do not hesitate to contact your dentist immediately.


Preventive Measures
1. Oral Hygiene: Maintain excellent oral hygiene to prevent further complications. Brush twice daily and floss regularly to keep your gums healthy and reduce the risk of infection.

2. Dietary Considerations: Avoid hard or sticky foods that could exacerbate pain or damage dental work. Stick to softer foods until your symptoms improve.

3. Stress Management: Stress can contribute to teeth grinding or jaw clenching, which may worsen dental pain. Consider stress-reduction techniques such as mindfulness, yoga, or counseling if you find that stress is impacting your oral health.


Conclusion
Your situation is undoubtedly complex, but with the right approach and professional guidance, you can find relief from your post-root canal pain. Prioritize communication with your dental care providers, seek specialized care if necessary, and maintain good oral hygiene practices. Remember, your comfort and health are paramount, and addressing these issues promptly will lead to better outcomes.

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