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
Occlusal guards are given to 
Select and explain. 
A. Prevent bruxism, B. To guard the dentition, C. To alter the muscle forces, D. None
C: To alter the muscle forces
Answer: C: To alter the muscle forces 
Explanation: None