was just wondering if the expander hurts for a long time, Also, do they have numb you, when putting the expander on? Can someone just tell me the process. And how long does it take to pronouce words correctly, with out sounding funny? 'Cause I have to do a presentation to the whole staff at my school about 4 days after I get them. Can someone please help me?? I'M SOOOOOO SCARED!!!!
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