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
This Device is used in management of which Condition? 
Select and explain. 
A. Obstructive Sleep Apnea, B. Lesch Nyhan disease, C. Thumb sucking, D. Robin Sequence
C: Thumb sucking
Answer: C: Thumb sucking 
Explanation: None