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
Which of the following is more common in children? 
Select and explain. 
A. Gingivitis, B. Periodontitis, C. ANUG, D. Pericoronitis
A: Gingivitis
Answer: A: Gingivitis 
Explanation: Recent recognition that periodontal disease may have its origins in childhood has led dentists to be more aggressive in treatment. Studies confirm a high prevalence of gingival inflammation in children.
Reference: McDONALD AND AVERY’S DENTISTRY for the CHILD and ADOLESCENT, 10th ed page no 243