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
Number of films required for full mouth radiographs of a child aged 10 years: 
Select and explain. 
A. 4 films, B. 12 films, C. 14 films, D. 20 films
C: 14 films
Answer: C: 14 films 
Explanation: Full mouth survey radiographs: