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
Dentogingival unit comprises of 
Select and explain. 
A. Gingival fibres, B. Gingival fibres and junctional epithelium, C. P.D. fibres and ligament, D. None of the above
B: Gingival fibres and junctional epithelium
Answer: B: Gingival fibres and junctional epithelium 
Explanation: None