RADIOLOGY (Figs. 11-23 to 11-20 The findings of Trodahl (1972) shed some light on the value of routine radiologic examinations in the dental office be- cause 17% of their cases were detected as incidental radio logic with many lesions, the radio characteristics of this tumor have been described poorly. The following is a summary
1. In patients younger than 20 years, cases are found in the posterior mandible
2. An impacted tooth usually is present, but not alway
3.This tumor is large and expansile ,resembing a dentigerous cyts because anunerupted a tooth is involved
4.the rerationship of the lesion to the tooth is not cystic radiologically