A root canal procedure is one of the most common treatments used to save a tooth that has become infected or damaged. While most patients experience relief after the procedure, some may continue to feel discomfort, especially when pressure is applied to the treated tooth. This can be alarming, particularly if the pain persists as the root canal tooth hurts with pressure months later. In this article, we explore the possible reasons for ongoing discomfort and what you can do about it.
What Causes Pain in a Root Canal Tooth After Months?
It’s not uncommon for some discomfort to linger after a root canal tooth hurts with pressure months later, but if the pain persists for an extended period, it may indicate a problem that needs further attention. Below are some potential causes:
1. Incomplete Healing
After a root canal, it can take time for the body to fully heal the treated area. If the healing process is slow or incomplete, lingering pain with pressure may occur. During the procedure, the dentist removes the infected pulp, but the surrounding tissues may still be inflamed. This inflammation can take weeks or even months to completely subside.
Signs of Incomplete Healing:
- Mild to moderate discomfort when chewing or applying pressure
- Sensitivity to hot or cold food or beverages
- Occasional sharp pain when biting down
2. Persistent Infection
In some cases, the infection that led to the root canal may not have been entirely eradicated. If bacteria remain in the root canal system, the infection can persist, causing pain that may be more pronounced with pressure. Even after thorough cleaning, it’s possible for bacteria to survive in the tiny canals and crevices of the tooth, leading to a chronic infection.
Symptoms of a Persistent Infection:
- Consistent pain that doesn’t improve with time
- Swelling around the tooth or gums
- Pus or discharge near the treated tooth
- A foul taste in the mouth
3. Failed Root Canal Treatment
Though rare, root canal treatment can sometimes fail. Failure may occur due to missed canals, improper sealing of the tooth, or the reintroduction of bacteria through cracks or other vulnerabilities. A failed root canal can cause the tooth to become reinfected, leading to pain when pressure is applied.
Indicators of Root Canal Failure:
- Recurrence of sharp pain months after the procedure
- Sensitivity to touch or pressure
- Swelling or redness in the gums near the treated tooth
4. Fractured Tooth or Crown
If a tooth is cracked or fractured, even after a root canal, it can result in sharp pain when biting or chewing. The fracture can be caused by trauma, excessive grinding, or even biting down on something hard. Similarly, if a dental crown placed after the root canal is damaged or ill-fitting, it can lead to discomfort and pressure sensitivity.
Symptoms of a Fractured Tooth or Crown:
- Sudden pain when biting down
- Sensitivity to temperature changes
- Visible cracks or damage to the crown
5. Inflammation of Surrounding Tissue
Sometimes, the pain after a root canal may not originate from the tooth itself but from the surrounding tissues. The periodontal ligament that connects the tooth to the jawbone may become inflamed due to excessive pressure, stress, or injury, causing pain that can mimic tooth pain.
Signs of Tissue Inflammation:
- Pain when applying pressure or chewing
- Tenderness around the treated tooth
- No visible signs of infection or damage to the tooth
6. Overfilled Root Canal
During the root canal procedure, the dentist fills the root canals with a special material called gutta-percha. In some cases, too much filling material may be used, causing it to extend beyond the root tip. This overfill can irritate the surrounding tissues and lead to pain, especially when pressure is applied.
Symptoms of Overfill:
- Persistent pain after the procedure
- Sensitivity to pressure or chewing
- Swelling or discomfort in the jaw
How to Relieve Pain After a Root Canal
If you are experiencing pain months after a root canal, it’s essential to consult with your dentist to determine the cause. Depending on the issue, several treatment options may help relieve your discomfort:
1. Pain Relief Medications
For mild to moderate pain, over-the-counter medications like ibuprofen or acetaminophen can help reduce inflammation and pain. Your dentist may also prescribe stronger pain relievers if necessary.
2. Antibiotics
If an infection is the cause of the pain, your dentist may prescribe antibiotics to help clear the infection. It’s crucial to follow the prescribed dosage to ensure the bacteria are completely eradicated.
3. Re-Root Canal Treatment
In cases of root canal failure or persistent infection, your dentist may recommend retreatment. This involves reopening the tooth, cleaning the canals again, and resealing them to prevent further infection.
4. Apicoectomy
If the infection or inflammation is concentrated near the root tip, an apicoectomy may be necessary. This surgical procedure removes the infected tissue and the tip of the root, providing relief from chronic pain.
5. Replacing a Damaged Crown
If the pain is caused by a fractured tooth or damaged crown, your dentist may need to repair or replace the crown. Properly fitted crowns are essential to protect the tooth and prevent pain from pressure.
When to See a Dentist
Pain or discomfort that lasts for months after a root canal is not normal and should be addressed by a dental professional. If you notice any of the following symptoms, schedule a visit with your dentist as soon as possible:
- Pain that worsens over time
- Visible swelling, redness, or pus near the treated tooth
- Persistent bad taste or odor in the mouth
- Sensitivity to hot, cold, or pressure
Conclusion
While root canal tooth hurts with pressure months later treatment is designed to eliminate pain and save the tooth, there are instances where discomfort persists long after the procedure. Whether due to infection, a fractured tooth, or other complications, it’s essential to identify the root cause and seek appropriate treatment. With proper care, you can resolve the issue and enjoy lasting relief.