Radicular Cyst

Apical Periodontal Cyst; Apical Periodontal Cysts; Cyst, Apical Periodontal; Cyst, Periapical; Cyst, Radicular; Cysts, Apical Periodontal; Cysts, Periapical; Cysts, Radicular; Periapical Cysts; Periodontal Cysts, Apical; Radicular Cysts
Slow-growing fluid-filled epithelial sac at the apex of a tooth with a nonvital pulp or defective root canal filling.