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Persistent apical periodontitis associated with a calcifying odontogenic cyst
C Estrela1, D A Decurcio, J A Silva
1Department of Endodontics, Federal University of Goiás, Goiânia, GO, Brazil. estrela3@terra.com.br
International Endodontic Journal
|January 31, 2009
Summary
A calcifying odontogenic cyst (COC) can mimic persistent apical periodontitis. Histopathological examination is crucial for diagnosing COC, distinguishing it from endodontic issues.
Area of Science:
- Oral pathology
- Endodontics
- Odontogenic lesions
Background:
- Persistent apical periodontitis often requires endodontic treatment.
- Non-endodontic pathologies can present with similar clinical and radiographic features.
Observation:
- A case of calcifying odontogenic cyst (COC) adjacent to maxillary incisors presented with signs mimicking apical periodontitis.
- The lesion caused significant internal tooth destruction and secondary infection in one tooth.
Findings:
- Histopathological examination confirmed the diagnosis of COC.
- COC is a rare (2% of odontogenic lesions) benign lesion.
- COC can mimic apical periodontitis, especially in advanced stages.
Implications:
- Persistent apical periodontitis may have non-endodontic origins.
- Histological analysis is essential for accurate diagnosis of persistent apical periodontitis.
- Calcifying odontogenic cysts should be considered in the differential diagnosis of apical periodontitis.
