- Originates from early cystic degeneration of the tooth germ before mineralization.
- No gender prediliction and more frequent in patient 10-30 yrs old.
- Third molar region and the area just distal to it are the most frequent sites.
- Ameloblastoma (circumscribed)
- Giant cell granuloma, central (circumscribed)
- Residual cyst (circumscribed)