Adult patient with buccal fistula apical to a recently treated RCT in tooth 44 upon insertion of a gutta percha cone in the fistula to track it. Radiograph shows the tip of GP cone touching the side of 44 root. The cause of this fistula is:
• 1. Lateral Periodontal abscess***
• 2. Untreated accessory canal
• 3. Periradicular cyst.
Labels
Promatric