Help scared i am going 2 the orthodontist?

i have an appointment because my dentist said he thinks i need braces so what does the ortho the first visit hera r some questions 1.do they put spacers on the visit 2.what all do they talk about3.do they take molds4.do u choose flavors for molds5.will i have pain on the first visit6.on the second visit will i be able 2 get braces