What is the active agent in most home (night guard) bleaching solutions?
a. 2-5% carbamide peroxide  
b. 10 - 15% Phosphoric acid  
c. 10 - 15% carbamide peroxide  
d. 35% hydrogen peroxide  
e. 5 - 10% citric acid Attention:

1 Answer

Answer :

c. 10 - 15% carbamide peroxide

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