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
Nigh guard vital bleaching is done using 
Select and explain. 
A. Using McInne’s solution, B. H2O2 activated with thermo/Photo catalytic technique, C. Na Perborate and H2O2, D. 10-16% carbamide peroxide
D: 10-16% carbamide peroxide
Answer: D: 10-16% carbamide peroxide 
Explanation: None