Introduction

Dental issues related to trauma or previous treatments can lead to complications like chronic apical periodontitis. In this case, a patient with a history of trauma and a previously treated tooth presented with pain and swelling in the upper front tooth region. We will explore the patient's symptoms, diagnosis, and treatment including a root canal retreatment (ReRCT) followed by a crown placement.

Case Overview

  • Chief Complaint: The patient complained of pain and swelling around the upper front tooth (#12), which had been previously treated.
  • Past Medical History: Two years ago, the patient experienced trauma to the upper front teeth, which was treated initially, but symptoms recurred.
  • Oral and Radiographic Examination: The tooth was tender on percussion, and radiographs revealed over-obturation in the root canal and a periapical lesion, indicating chronic apical periodontitis.

Diagnosis

Previously Treated Tooth with Chronic Apical Periodontitis: Despite previous treatment, the tooth (#12) was diagnosed with an ongoing infection around the root tip.

Treatment Plan

  1. Root Canal Retreatment (ReRCT): The over-obturation was removed, and the root canal was cleaned, disinfected, and re-obturated to address the infection.
  2. Crown Restoration: After successful ReRCT, the tooth was restored with a crown for strength and functionality, ensuring both aesthetic and long-term durability.

Why ReRCT?

ReRCT is necessary when a previously treated tooth shows signs of infection, such as persistent pain, swelling, or a periapical lesion. In this case, the over-obturation and infection required the root canal to be redone to promote healing and save the tooth.

Post-Treatment Care

After the procedure, the patient was advised to avoid chewing on the treated tooth immediately and maintain good oral hygiene. Regular check-ups were scheduled to monitor healing.

Conclusion

Root canal retreatment (ReRCT) effectively treats chronic apical periodontitis in previously treated teeth. In this case, ReRCT followed by a crown restoration successfully addressed the infection and restored the tooth's function. If you are experiencing similar symptoms, it's important to consult a dentist to determine the best treatment plan for your dental health.

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