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
Maximum incidence of developmental defects is seen in: 
Select and explain. 
A. Primary incisor, B. Permanent incisors, C. Permanent mandibular first molar, D. Primary mandibular second molar
B: Permanent incisors
Answer: B: Permanent incisors 
Explanation: Maximum incidence of developmental defects is seen in permanent incisors.