The actual fitting shouldn't hurt but your teeth may feel uncomfortable for a few days afterward, and after each subsequent adjustment. It will take one or two hours to fit your braces, but each checkup will only be about 20 minutes. The orthodontist tightens the wire in different places to gradually pull your teeth into alignment.
Your orthodontist attaches a metal bracket to each tooth with a strong dental cement, then connects the brackets with a wire called an ‘archwire'.