Chief Complaint

The patient presented with complaints of pain in the upper left back tooth region, specifically around the second molar (tooth #26). Pain during chewing or pressure on the tooth is a common symptom of underlying issues in the root canal system, especially when there's an infection or incomplete healing.

Patient Medical History

The patient’s medical history is unremarkable (NRMH), indicating there are no systemic health concerns that could complicate the treatment. It is essential to note that the absence of significant medical issues allows for standard dental procedures to be carried out safely.

Clinical Examination (O/E)

Upon examination, the tooth in question (#26) was found to be a restored tooth, suggesting that it had undergone a root canal treatment previously. When the dentist applied pressure (percussion) to the tooth, the patient experienced tenderness, indicating that there might still be inflammation or infection in the periapical tissues (around the root tip). This tenderness is often associated with an unresolved issue, such as chronic apical periodontitis, which is a common post-treatment complication.

Radiographic Examination (R/E)

Radiographic images of the tooth revealed a few key findings:

  1. Short obturation: The root canal filling (obturation) in tooth #26 was not fully extended to the end of the root, which could leave spaces where bacteria can grow, leading to reinfection.
  2. PDL widening: The periapical ligament (PDL) around the root showed signs of widening, a common indication of chronic inflammation or infection. This suggests that the previous root canal therapy did not fully resolve the infection, and there might still be an ongoing inflammatory process in the surrounding tissues.
Diagnosis.

The diagnosis made was "Previously treated tooth with chronic apical periodontitis in relation to #26." Chronic apical periodontitis occurs when the infection in the root canal system fails to heal properly, often due to incomplete root canal filling or other factors like missed canals or an undetected root fracture. This condition can cause persistent pain, tenderness, and ongoing infection.

Treatment Plan

To address the issues, the following steps were outlined:

  1. Root Canal Retreatment (RERCT): The primary treatment is a retreatment of the root canal (re-RCT). This involves removing the old root canal filling, thoroughly cleaning the root canals, and refilling them to ensure all infection is eradicated. In this case, extra attention will be given to finding and properly sealing the extra palatal canal, which was likely missed or inadequately treated in the previous procedure.
  2. Crown Placement: Once the root canal therapy is successfully completed, a crown will be placed on tooth #26. The crown will restore both the function and appearance of the tooth. It also protects the tooth from further damage, as teeth that have undergone root canal treatment are often more prone to fracture.

Special Consideration.

Tooth #26 has an extra palatal canal, which can complicate the root canal treatment. Missed or untreated canals are common reasons why chronic apical periodontitis can occur after initial root canal therapy. Properly locating and treating this additional canal is crucial for the success of the retreatment and for preventing future infections.

Conclusion.

In conclusion, the patient’s tooth #26 requires retreatment of the root canal to remove any residual infection and ensure proper sealing of all the canals. After successful retreatment, a crown will be placed to restore the tooth's function and protect it from further damage. Regular follow-ups will be essential to ensure complete healing and prevent the recurrence of infection.

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