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
Which of the following wax coating is present on dental floss? 
Select and explain. 
A. Besswax, B. Spermaceti wax, C. Japan Wax, D. Carnauba Wax
B: Spermaceti wax
Answer: B: Spermaceti wax 
Explanation: None