Truffles

I have my braces on for two and a half months now, and i'm pretty good about flosing and brushing but i've notice that on my bottom teeth there is white chalky spots behind the braces and it seeems to be spreading. Does any one know what this could mean?

Hello i Just recently joined braces revie. Also i recently got my braces on, I am on my second moth and currently have power chains to close my extractions and to make room for the front teeth.
I had my teeth extracted two week ago. I developed dry socket wich was very painful. Luckily after a week the have healed and don't bother me. I check them everytime a wake up and rinse them with a syringe after i eat.
My dilema is that today after i had a chicken and pasta dish i went to rinse ...