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
Regeneration leads to formation of which layer of cementum: 
Select and explain. 
A. Cellular mixed cementum, B. Cellular intrinsic fibre cementum, C. Acellular extrinsic fiber cementum, D. Acellular afibrillar cementum
C: Acellular extrinsic fiber cementum
Answer: C: Acellular extrinsic fiber cementum 
Explanation: None