<b>Instructions:</b> <br>--General require user wear the orthodontic braces for 1-2 hours during the day, and 8 hours at night. <br>--At first week, your teeth may feel pain and soreness, this is normal. You need keep on using everyday. <br>--These orthodontic braces with good quality, but do not bite them, avoid deformation. <br>--Before and after use them, please clean with a toothbrush use cold or warm water,do not use hot water! <br>--Then put them in clean box. <br><b>Package including:</b> <br>--1 Orthodontic Brace Trainer