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
Ghost teeth is seen in which of the following 
Select and explain. 
A. Dens in dente, B. Regional odontodysplasia, C. Dentin dysplasia, D. None of the above
B: Regional odontodysplasia
Answer: B: Regional odontodysplasia 
Explanation: None