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
A patient complains of generalized soreness over the entire mandibular ridge. This is probably due to: 
Select and explain. 
A. Occlusal imbalance, B. Excessive vertical dimension, C. Over-extended borders, D. Under-extended borders
B: Excessive vertical dimension
Answer: B: Excessive vertical dimension 
Explanation: None