When doctor says dentigerous cyst is "atypical" what do they mean?!
Question:
When doctor says dentigerous cyst is "atypical" what do they mean?
Answers:
The definition of "atypical" is irregular or unusual.
This is how the World Health Organization (WHO) grades tumors.
Grade I is benign, slow growing
Grades II and III are atypical, aggressive growth
Grade IV is malignant