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: Dental
Aggressive periodontitis is characterized by the following
major features EXCEPT 
Select and explain. 
A. Non contributory medical history, B. Rapid attachment loss, C. Pathologic migration, D. Familial aggregation of cases
C: Pathologic migration
Answer: C: Pathologic migration 
Explanation: None