TABLE 1.
Diagnostic criteria for periapical cysts based on radiologic features (42). Each feature can be seen alone or in combination with others
Location | Apex of the involved tooth |
Periphery | Well-defined corticated border |
Shape | Curved or circular |
Internal structure | Radiolucent |
Effect on surrounding structures | Displacement and resorption of the roots with a curved outline |
Effect on surrounding bone | Cortical plate perforation |