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
Eruption cyst 
Select and explain. 
A. Transforms into dentigerous cyst, B. Regresses after eruption of the tooth, C. Is found in the place of the missing tooth, D. Is a type of dentigerous cyst
B: Regresses after eruption of the tooth
Answer: B: Regresses after eruption of the tooth 
Explanation: None