Pathology · single question
All of the following are commonly associated with an impacted tooth EXCEPT:
Show answer and explanation
Correct answer: A. Radicular (periapical) cyst
- A. Correct (the EXCEPTION). A radicular cyst is an inflammatory cyst that forms at the apex of a NON-VITAL, erupted tooth — not around an impacted/unerupted tooth.
- B. Incorrect. A dentigerous cyst forms around the crown of an unerupted (impacted) tooth.
- C. Incorrect. OKCs are frequently associated with impacted teeth, classically the third molar region.
- D. Incorrect. AOT is classically associated with the crown/follicle of an impacted tooth (often a canine), the 'two-thirds tumor.'