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
Vital bleaching temperature 
Select and explain. 
A. 100-115℉, B. 115-140℉, C. 140-160℉, D. 160℉ - till patient tolerates
B: 115-140℉
Answer: B: 115-140℉ 
Explanation: The temperature safely tolerated by pulp is 115-140 °F