Periapical radiolucenency

Periapical radiolucencies are commonly observed findings in OPG and other dental / head and neck imaging modalities.

Differential diagnosis

They can represent a number of pathologies:

• periapical lucency related to apical periodontitis
  • periapical granuloma
  • periapical abscess
• periapical cyst
• cemento-osseous dysplasia
  • periapical cemento-osseous dysplasia
• tumors
• post-trauma