I'm a year into orthodontics now....and have been doing the best dental hygiene I can, using pre-rinse, proxy brushing, regular brushing, flossing, and a fluoride mouthwash. The fluoride mouthwash is what I wanted to ask about. I've been using Listerine Defense, but I find that it is too strong...I've read that you shouldn't water down any fluoride mouthwash...is that true? Is there any other mouthwash that you would recommend? I have small areas of decalcification (many years old), and I want to keep the enamel as strong as possible.