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
If the cemental overgrowth improves the functional quality of cementum, known as: 
Select and explain. 
A. Cemental hypertrophy, B. Cemental hypoplasia, C. Cemental hyperplasia, D. None
A: Cemental hypertrophy
Answer: A: Cemental hypertrophy 
Explanation: None