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
The most common site of hypersensitivity is 
Select and explain. 
A. Cervical, B. Facial, C. Lingual, D. Occlusal
A: Cervical
Answer: A: Cervical 
Explanation: Cervical hypersensitivity may be caused not only by chemical erosion, but also by mechanical abrasion or even occlusal stresses.