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
Defective neutrophil function is seen in all except: 
Select and explain. 
A. Juvenile periodontitis, B. Diabetes, C. Papillon lefeure syndrome., D. Gingivitis
D: Gingivitis
Answer: D: Gingivitis 
Explanation: Severe periodontitis occurs in patients with neutrophil defects.
Defective neutrophil function is seen in: 

Papillon Lefeure syndrome.
Chediak Higashi syndrome.
Juvenile periodontitis.
Neutropenia
Agranulocytosis
Diabetes