What does potassium nitrate do in bleaching materials?
A. Acts as a surfactant in the bleaching tray
B. Creates a calming effect on the tooth’s nerve
C. Re-polarizes the neural pain stimulus response
D. Improves bleaching effectiveness
What does potassium nitrate do in bleaching materials?
A. Acts as a surfactant in the bleaching tray
B. Creates a calming effect on the tooth’s nerve
C. Re-polarizes the neural pain stimulus response
D. Improves bleaching effectiveness