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 soft tissue tooth interface that forms after flap surgery in a previously denuded area is 
Select and explain. 
A. Long junctional epithelium, B. Collagen adhesion, C. Scar tissue attachment, D. Connective tissue attachment
A: Long junctional epithelium
Answer: A: Long junctional epithelium 
Explanation: None