Abstract:

Chronic periapical periodontitis is characterized by destruction of periapical tissue and demonstrates translucent feature under X -ray examination. In this article, a localized mineralized structure, which showed high density under X-ray examination, was reported in a patient with chronic periapical periodontitis of left maxillary first premolar. Possible causes of the structure were analyzed and relevant literatures were reviewed.

Key words: chronic periapical periodontitis, first premolar, mineralized structure