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  Indian J Med Microbiol
 

Figure 3: Primary endodontic secondary periodontal lesion. (a) Intraoral periapical radiograph showing root canal treated maxillary left first premolar with radiolucency along the root. Clinically, a deep narrow pocket was found on the mesial aspect of the root suggesting the presence of vertical root fracture. (b) Clinical view of the extracted tooth showing two fractured fragments of the tooth

Figure 3: Primary endodontic secondary periodontal lesion. (a) Intraoral periapical radiograph showing root canal treated maxillary left first premolar with radiolucency along the root. Clinically, a deep narrow pocket was found on the mesial aspect of the root suggesting the presence of vertical root fracture. (b) Clinical view of the extracted tooth showing two fractured fragments of the tooth