Dealing with Tooth Fractures After Root Canal Treatment: What to Do? - Dentistry

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Tooth fracture after root canal treatment for an extended period?


After a long time following root canal treatment, my tooth broke.
The doctor took an X-ray and believed the root was fine, but there wasn't much of the original tooth left.
The doctor suggested salvaging it by reshaping the gum and then placing a crown.
However, shortly after the procedure, I felt pain when biting down, as if I were biting into a cavity.
The doctor mentioned that the gum might still be healing, so I was hesitant to use that side for chewing.
Recently, I've experienced pain when applying pressure near the silver filling on my upper tooth, and during a follow-up visit, the doctor took another X-ray and asked if I had been biting on hard objects.
I replied that I was afraid to use that side for chewing.
After taking antibiotics for nine days, the pain has somewhat decreased, but applying pressure on the area near the silver filling still causes pain, and there is an unusual odor reminiscent of decay.
What treatment options do I have? Could this be a cavity in the root? Thank you.

Leilei, 50~59 year old female. Ask Date: 2016/06/13

Dr. Huang Zhicheng reply Dentistry


Hello: We cannot make a diagnosis or provide treatment recommendations based solely on a verbal description.
Please discuss your condition and the upcoming treatment plan thoroughly with your original treating physician.
Wishing you safety and health.
Sincerely, Dr.
Huang Chih-Cheng, Director of Dentistry, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2016/06/13

More Info


Dealing with tooth fractures after root canal treatment can be a complex issue, especially when the tooth has already undergone significant dental work. In your case, it seems that you have experienced a fracture in a tooth that has previously been treated with a root canal, and now you are facing discomfort and potential complications.

First and foremost, it is essential to understand that teeth that have undergone root canal treatment can be more susceptible to fractures. This is primarily due to the loss of structural integrity when the tooth is hollowed out to remove the infected pulp. As a result, the remaining tooth structure may not be strong enough to withstand the forces of chewing, especially if the tooth has been significantly compromised.

From your description, it appears that your dentist has taken appropriate steps by assessing the condition of the tooth through X-rays and suggesting a restoration with a crown. However, the fact that you are experiencing pain when biting down, especially if it feels like you are biting on a cavity, is concerning. This could indicate several potential issues:
1. Residual Infection: Even after a root canal, there can be residual infection in the surrounding tissues or within the tooth itself. This can lead to pain and discomfort, especially when pressure is applied.

2. Fractured Tooth Structure: If the tooth has fractured, it may not be able to support a crown effectively. The fracture could extend below the gum line, which complicates treatment options.

3. Gum Healing: If your dentist has performed any surgical procedures to adjust the gum tissue, it is possible that the area is still healing, which could contribute to discomfort.

4. Possible Tooth Decay: The presence of an unpleasant taste or odor could suggest that there is decay present, either in the remaining tooth structure or in the surrounding gum tissue.

Given these possibilities, here are some steps you should consider:
- Follow-Up Appointment: It is crucial to return to your dentist for a follow-up appointment. Explain your symptoms in detail, including the pain when biting and the unusual taste. Your dentist may want to take additional X-rays or perform further examinations to determine the underlying cause of your discomfort.

- Consider a Specialist: If your general dentist is unable to provide a satisfactory diagnosis or treatment plan, consider seeking a second opinion from an endodontist (a specialist in root canal treatments) or a periodontist (a specialist in gum health). They may have more advanced techniques and tools to assess and treat your condition.

- Pain Management: In the meantime, continue to manage your pain with over-the-counter pain relievers as recommended by your healthcare provider. Avoid using the affected tooth for chewing until you have a clear treatment plan.

- Possible Treatments: Depending on the findings from your follow-up visit, treatment options may include:
- Retreatment of the Root Canal: If there is evidence of infection, retreating the root canal may be necessary.

- Extraction: If the tooth is severely fractured or cannot be restored, extraction may be the only option.

- Crown Placement: If the tooth can be salvaged, a crown may be placed after addressing any underlying issues.

- Preventive Measures: After treatment, consider preventive measures to protect your teeth, such as wearing a night guard if you grind your teeth, avoiding hard foods, and maintaining regular dental check-ups.

In summary, while it is possible to manage and treat complications arising from a fractured tooth after root canal therapy, it is essential to address the issue promptly and thoroughly. Your symptoms indicate that further evaluation is necessary to determine the best course of action. Don't hesitate to communicate openly with your dental care provider about your concerns and symptoms, as this will help them provide the most effective treatment for your situation.

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