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 incisal edge edge of maxillary central incisor in a 21 year old man is chipped off during a fall. He is informed that the tooth will erupt a little. This compensatory tooth movement is because of increased deposition of 
Select and explain. 
A. Dentin, B. Pulp, C. Cementum, D. Periodontal ligament
C: Cementum
Answer: C: Cementum 
Explanation: None