This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Absence of retepegs is seen in 
Select and explain. 
A. OSMF, B. Lichen planus, C. Leukoplakia, D. All of the above
A: OSMF
Answer: A: OSMF 
Explanation: None