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
‘Fleur -de- lys’ term is used for: 
Select and explain. 
A. Dens invaginatus, B. Denticle, C. Odontome, D. Supernumerary tooth
A: Dens invaginatus
Answer: A: Dens invaginatus 
Explanation: None