Braces in Los Angeles

Orthodontists in Los Angeles California

okay, so im getting braces this december. And My orthodontics told me that im wearing it for 1year and half and after that, im going on a jaw surgery ! and he said i`ll have the braces for another year? .What Im wondering though is ? If i would ever go for jaw surgery ? Do i have to wear something like supporter like through around my head & jaw? for the whole year that im going to have with the braces on? .. =\ im really scared .. of the surgery. So please give me a good answer!!?!!